path: root/lib/stdlib/test/re_testoutput1_split_test.erl

%% -*- coding: utf-8 -*-
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2012. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
-module(re_testoutput1_split_test).
-compile(export_all).
-compile(no_native).
-include("test_server.hrl").
%% This file is generated by running run_pcre_tests:gen_split_test("re_SUITE_data/testoutput1")
join([]) -> [];
join([A]) -> [A];
join([H|T]) -> [H,<<":">>|join(T)].
run() ->
?line <<"">> = iolist_to_binary(join(re:split("the quick brown fox","the quick brown fox",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("the quick brown fox","the quick brown fox",[{parts,
                                                                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("the quick brown fox","the quick brown fox",[]))), 
?line <<"The quick brown FOX">> = iolist_to_binary(join(re:split("The quick brown FOX","the quick brown fox",[trim]))), 
?line <<"The quick brown FOX">> = iolist_to_binary(join(re:split("The quick brown FOX","the quick brown fox",[{parts,
                                                                                                                                                                                                                              2}]))), 
?line <<"The quick brown FOX">> = iolist_to_binary(join(re:split("The quick brown FOX","the quick brown fox",[]))), 
?line <<"What do you know about :?">> = iolist_to_binary(join(re:split("What do you know about the quick brown fox?","the quick brown fox",[trim]))), 
?line <<"What do you know about :?">> = iolist_to_binary(join(re:split("What do you know about the quick brown fox?","the quick brown fox",[{parts,
                                                                                                                                                                                                                                                                              2}]))), 
?line <<"What do you know about :?">> = iolist_to_binary(join(re:split("What do you know about the quick brown fox?","the quick brown fox",[]))), 
?line <<"What do you know about THE QUICK BROWN FOX?">> = iolist_to_binary(join(re:split("What do you know about THE QUICK BROWN FOX?","the quick brown fox",[trim]))), 
?line <<"What do you know about THE QUICK BROWN FOX?">> = iolist_to_binary(join(re:split("What do you know about THE QUICK BROWN FOX?","the quick brown fox",[{parts,
                                                                                                                                                                                                                                                                              2}]))), 
?line <<"What do you know about THE QUICK BROWN FOX?">> = iolist_to_binary(join(re:split("What do you know about THE QUICK BROWN FOX?","the quick brown fox",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("the quick brown fox","The quick brown fox",[caseless,
                                                                                                                                                                                                                            trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("the quick brown fox","The quick brown fox",[caseless,
                                                                                                                                                                                                                              {parts,
                                                                                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("the quick brown fox","The quick brown fox",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("The quick brown FOX","The quick brown fox",[caseless,
                                                                                                                                                                                                                            trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("The quick brown FOX","The quick brown fox",[caseless,
                                                                                                                                                                                                                              {parts,
                                                                                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("The quick brown FOX","The quick brown fox",[caseless]))), 
?line <<"What do you know about :?">> = iolist_to_binary(join(re:split("What do you know about the quick brown fox?","The quick brown fox",[caseless,
                                                                                                                                                                                                                                                                            trim]))), 
?line <<"What do you know about :?">> = iolist_to_binary(join(re:split("What do you know about the quick brown fox?","The quick brown fox",[caseless,
                                                                                                                                                                                                                                                                              {parts,
                                                                                                                                                                                                                                                                               2}]))), 
?line <<"What do you know about :?">> = iolist_to_binary(join(re:split("What do you know about the quick brown fox?","The quick brown fox",[caseless]))), 
?line <<"What do you know about :?">> = iolist_to_binary(join(re:split("What do you know about THE QUICK BROWN FOX?","The quick brown fox",[caseless,
                                                                                                                                                                                                                                                                            trim]))), 
?line <<"What do you know about :?">> = iolist_to_binary(join(re:split("What do you know about THE QUICK BROWN FOX?","The quick brown fox",[caseless,
                                                                                                                                                                                                                                                                              {parts,
                                                                                                                                                                                                                                                                               2}]))), 
?line <<"What do you know about :?">> = iolist_to_binary(join(re:split("What do you know about THE QUICK BROWN FOX?","The quick brown fox",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcd	

9;$\\?caxyz","abcd\\t\\n\\r\\f\\a\\e\\071\\x3b\\$\\\\\\?caxyz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcd	

9;$\\?caxyz","abcd\\t\\n\\r\\f\\a\\e\\071\\x3b\\$\\\\\\?caxyz",[{parts,
                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcd	

9;$\\?caxyz","abcd\\t\\n\\r\\f\\a\\e\\071\\x3b\\$\\\\\\?caxyz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                            2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aabcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aabcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                            2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aabcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                            2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaabcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaabcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaabcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abxyzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abxyzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abxyzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aabxyzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aabxyzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aabxyzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabxyzzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabxyzzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabxyzzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaabxyzzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaabxyzzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaabxyzzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcxyzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcxyzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                            2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcxyzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aabcxyzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aabcxyzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aabcxyzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabcxyzzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbbxyyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbbxyyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbbxyyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypABzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypABzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypABzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypABBzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypABBzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypABBzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<">>>">> = iolist_to_binary(join(re:split(">>>aaabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<">>>:">> = iolist_to_binary(join(re:split(">>>aaabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                  2}]))), 
?line <<">>>:">> = iolist_to_binary(join(re:split(">>>aaabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<">">> = iolist_to_binary(join(re:split(">aaaabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<">:">> = iolist_to_binary(join(re:split(">aaaabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                2}]))), 
?line <<">:">> = iolist_to_binary(join(re:split(">aaaabxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<">>>>">> = iolist_to_binary(join(re:split(">>>>abcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<">>>>:">> = iolist_to_binary(join(re:split(">>>>abcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                  2}]))), 
?line <<">>>>:">> = iolist_to_binary(join(re:split(">>>>abcxyzpqrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"abxyzpqrrabbxyyyypqAzz">> = iolist_to_binary(join(re:split("abxyzpqrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<"abxyzpqrrabbxyyyypqAzz">> = iolist_to_binary(join(re:split("abxyzpqrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                      2}]))), 
?line <<"abxyzpqrrabbxyyyypqAzz">> = iolist_to_binary(join(re:split("abxyzpqrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"abxyzpqrrrrabbxyyyypqAzz">> = iolist_to_binary(join(re:split("abxyzpqrrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<"abxyzpqrrrrabbxyyyypqAzz">> = iolist_to_binary(join(re:split("abxyzpqrrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                          2}]))), 
?line <<"abxyzpqrrrrabbxyyyypqAzz">> = iolist_to_binary(join(re:split("abxyzpqrrrrabbxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"abxyzpqrrrabxyyyypqAzz">> = iolist_to_binary(join(re:split("abxyzpqrrrabxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<"abxyzpqrrrabxyyyypqAzz">> = iolist_to_binary(join(re:split("abxyzpqrrrabxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                      2}]))), 
?line <<"abxyzpqrrrabxyyyypqAzz">> = iolist_to_binary(join(re:split("abxyzpqrrrabxyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<"aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                            2}]))), 
?line <<"aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"aaaabcxyzzzzpqrrrabbbxyyypqAzz">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbbxyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<"aaaabcxyzzzzpqrrrabbbxyyypqAzz">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbbxyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                      2}]))), 
?line <<"aaaabcxyzzzzpqrrrabbbxyyypqAzz">> = iolist_to_binary(join(re:split("aaaabcxyzzzzpqrrrabbbxyyypqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<"aaabcxyzpqrrrabbxyyyypqqqqqqqAzz">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqqqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[trim]))), 
?line <<"aaabcxyzpqrrrabbxyyyypqqqqqqqAzz">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqqqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[{parts,
                                                                                                                                                                                                                                                                                                          2}]))), 
?line <<"aaabcxyzpqrrrabbxyyyypqqqqqqqAzz">> = iolist_to_binary(join(re:split("aaabcxyzpqrrrabbxyyyypqqqqqqqAzz","a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abczz","^(abc){1,2}zz",[trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abczz","^(abc){1,2}zz",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abczz","^(abc){1,2}zz",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abcabczz","^(abc){1,2}zz",[trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcabczz","^(abc){1,2}zz",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcabczz","^(abc){1,2}zz",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(abc){1,2}zz",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(abc){1,2}zz",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(abc){1,2}zz",[]))), 
?line <<"zz">> = iolist_to_binary(join(re:split("zz","^(abc){1,2}zz",[trim]))), 
?line <<"zz">> = iolist_to_binary(join(re:split("zz","^(abc){1,2}zz",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"zz">> = iolist_to_binary(join(re:split("zz","^(abc){1,2}zz",[]))), 
?line <<"abcabcabczz">> = iolist_to_binary(join(re:split("abcabcabczz","^(abc){1,2}zz",[trim]))), 
?line <<"abcabcabczz">> = iolist_to_binary(join(re:split("abcabcabczz","^(abc){1,2}zz",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"abcabcabczz">> = iolist_to_binary(join(re:split("abcabcabczz","^(abc){1,2}zz",[]))), 
?line <<">>abczz">> = iolist_to_binary(join(re:split(">>abczz","^(abc){1,2}zz",[trim]))), 
?line <<">>abczz">> = iolist_to_binary(join(re:split(">>abczz","^(abc){1,2}zz",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<">>abczz">> = iolist_to_binary(join(re:split(">>abczz","^(abc){1,2}zz",[]))), 
?line <<":b">> = iolist_to_binary(join(re:split("bc","^(b+?|a){1,2}?c",[trim]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("bc","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("bc","^(b+?|a){1,2}?c",[]))), 
?line <<":b">> = iolist_to_binary(join(re:split("bbc","^(b+?|a){1,2}?c",[trim]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("bbc","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("bbc","^(b+?|a){1,2}?c",[]))), 
?line <<":bb">> = iolist_to_binary(join(re:split("bbbc","^(b+?|a){1,2}?c",[trim]))), 
?line <<":bb:">> = iolist_to_binary(join(re:split("bbbc","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<":bb:">> = iolist_to_binary(join(re:split("bbbc","^(b+?|a){1,2}?c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bac","^(b+?|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bac","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bac","^(b+?|a){1,2}?c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bbac","^(b+?|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbac","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbac","^(b+?|a){1,2}?c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aac","^(b+?|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aac","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aac","^(b+?|a){1,2}?c",[]))), 
?line <<":bbbbbbbbbbb">> = iolist_to_binary(join(re:split("abbbbbbbbbbbc","^(b+?|a){1,2}?c",[trim]))), 
?line <<":bbbbbbbbbbb:">> = iolist_to_binary(join(re:split("abbbbbbbbbbbc","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<":bbbbbbbbbbb:">> = iolist_to_binary(join(re:split("abbbbbbbbbbbc","^(b+?|a){1,2}?c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bbbbbbbbbbbac","^(b+?|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbbbbbbbbbac","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbbbbbbbbbac","^(b+?|a){1,2}?c",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(b+?|a){1,2}?c",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(b+?|a){1,2}?c",[]))), 
?line <<"aaac">> = iolist_to_binary(join(re:split("aaac","^(b+?|a){1,2}?c",[trim]))), 
?line <<"aaac">> = iolist_to_binary(join(re:split("aaac","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<"aaac">> = iolist_to_binary(join(re:split("aaac","^(b+?|a){1,2}?c",[]))), 
?line <<"abbbbbbbbbbbac">> = iolist_to_binary(join(re:split("abbbbbbbbbbbac","^(b+?|a){1,2}?c",[trim]))), 
?line <<"abbbbbbbbbbbac">> = iolist_to_binary(join(re:split("abbbbbbbbbbbac","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                                            2}]))), 
?line <<"abbbbbbbbbbbac">> = iolist_to_binary(join(re:split("abbbbbbbbbbbac","^(b+?|a){1,2}?c",[]))), 
?line <<":b">> = iolist_to_binary(join(re:split("bc","^(b+|a){1,2}c",[trim]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("bc","^(b+|a){1,2}c",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("bc","^(b+|a){1,2}c",[]))), 
?line <<":bb">> = iolist_to_binary(join(re:split("bbc","^(b+|a){1,2}c",[trim]))), 
?line <<":bb:">> = iolist_to_binary(join(re:split("bbc","^(b+|a){1,2}c",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<":bb:">> = iolist_to_binary(join(re:split("bbc","^(b+|a){1,2}c",[]))), 
?line <<":bbb">> = iolist_to_binary(join(re:split("bbbc","^(b+|a){1,2}c",[trim]))), 
?line <<":bbb:">> = iolist_to_binary(join(re:split("bbbc","^(b+|a){1,2}c",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":bbb:">> = iolist_to_binary(join(re:split("bbbc","^(b+|a){1,2}c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bac","^(b+|a){1,2}c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bac","^(b+|a){1,2}c",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bac","^(b+|a){1,2}c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bbac","^(b+|a){1,2}c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbac","^(b+|a){1,2}c",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbac","^(b+|a){1,2}c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aac","^(b+|a){1,2}c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aac","^(b+|a){1,2}c",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aac","^(b+|a){1,2}c",[]))), 
?line <<":bbbbbbbbbbb">> = iolist_to_binary(join(re:split("abbbbbbbbbbbc","^(b+|a){1,2}c",[trim]))), 
?line <<":bbbbbbbbbbb:">> = iolist_to_binary(join(re:split("abbbbbbbbbbbc","^(b+|a){1,2}c",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":bbbbbbbbbbb:">> = iolist_to_binary(join(re:split("abbbbbbbbbbbc","^(b+|a){1,2}c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bbbbbbbbbbbac","^(b+|a){1,2}c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbbbbbbbbbac","^(b+|a){1,2}c",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbbbbbbbbbac","^(b+|a){1,2}c",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(b+|a){1,2}c",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(b+|a){1,2}c",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(b+|a){1,2}c",[]))), 
?line <<"aaac">> = iolist_to_binary(join(re:split("aaac","^(b+|a){1,2}c",[trim]))), 
?line <<"aaac">> = iolist_to_binary(join(re:split("aaac","^(b+|a){1,2}c",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"aaac">> = iolist_to_binary(join(re:split("aaac","^(b+|a){1,2}c",[]))), 
?line <<"abbbbbbbbbbbac">> = iolist_to_binary(join(re:split("abbbbbbbbbbbac","^(b+|a){1,2}c",[trim]))), 
?line <<"abbbbbbbbbbbac">> = iolist_to_binary(join(re:split("abbbbbbbbbbbac","^(b+|a){1,2}c",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<"abbbbbbbbbbbac">> = iolist_to_binary(join(re:split("abbbbbbbbbbbac","^(b+|a){1,2}c",[]))), 
?line <<":b">> = iolist_to_binary(join(re:split("bbc","^(b+|a){1,2}?bc",[trim]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("bbc","^(b+|a){1,2}?bc",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("bbc","^(b+|a){1,2}?bc",[]))), 
?line <<":ba">> = iolist_to_binary(join(re:split("babc","^(b*|ba){1,2}?bc",[trim]))), 
?line <<":ba:">> = iolist_to_binary(join(re:split("babc","^(b*|ba){1,2}?bc",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":ba:">> = iolist_to_binary(join(re:split("babc","^(b*|ba){1,2}?bc",[]))), 
?line <<":ba">> = iolist_to_binary(join(re:split("bbabc","^(b*|ba){1,2}?bc",[trim]))), 
?line <<":ba:">> = iolist_to_binary(join(re:split("bbabc","^(b*|ba){1,2}?bc",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":ba:">> = iolist_to_binary(join(re:split("bbabc","^(b*|ba){1,2}?bc",[]))), 
?line <<":ba">> = iolist_to_binary(join(re:split("bababc","^(b*|ba){1,2}?bc",[trim]))), 
?line <<":ba:">> = iolist_to_binary(join(re:split("bababc","^(b*|ba){1,2}?bc",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<":ba:">> = iolist_to_binary(join(re:split("bababc","^(b*|ba){1,2}?bc",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(b*|ba){1,2}?bc",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(b*|ba){1,2}?bc",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(b*|ba){1,2}?bc",[]))), 
?line <<"bababbc">> = iolist_to_binary(join(re:split("bababbc","^(b*|ba){1,2}?bc",[trim]))), 
?line <<"bababbc">> = iolist_to_binary(join(re:split("bababbc","^(b*|ba){1,2}?bc",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<"bababbc">> = iolist_to_binary(join(re:split("bababbc","^(b*|ba){1,2}?bc",[]))), 
?line <<"babababc">> = iolist_to_binary(join(re:split("babababc","^(b*|ba){1,2}?bc",[trim]))), 
?line <<"babababc">> = iolist_to_binary(join(re:split("babababc","^(b*|ba){1,2}?bc",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"babababc">> = iolist_to_binary(join(re:split("babababc","^(b*|ba){1,2}?bc",[]))), 
?line <<":ba">> = iolist_to_binary(join(re:split("babc","^(ba|b*){1,2}?bc",[trim]))), 
?line <<":ba:">> = iolist_to_binary(join(re:split("babc","^(ba|b*){1,2}?bc",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":ba:">> = iolist_to_binary(join(re:split("babc","^(ba|b*){1,2}?bc",[]))), 
?line <<":ba">> = iolist_to_binary(join(re:split("bbabc","^(ba|b*){1,2}?bc",[trim]))), 
?line <<":ba:">> = iolist_to_binary(join(re:split("bbabc","^(ba|b*){1,2}?bc",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":ba:">> = iolist_to_binary(join(re:split("bbabc","^(ba|b*){1,2}?bc",[]))), 
?line <<":ba">> = iolist_to_binary(join(re:split("bababc","^(ba|b*){1,2}?bc",[trim]))), 
?line <<":ba:">> = iolist_to_binary(join(re:split("bababc","^(ba|b*){1,2}?bc",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<":ba:">> = iolist_to_binary(join(re:split("bababc","^(ba|b*){1,2}?bc",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(ba|b*){1,2}?bc",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(ba|b*){1,2}?bc",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(ba|b*){1,2}?bc",[]))), 
?line <<"bababbc">> = iolist_to_binary(join(re:split("bababbc","^(ba|b*){1,2}?bc",[trim]))), 
?line <<"bababbc">> = iolist_to_binary(join(re:split("bababbc","^(ba|b*){1,2}?bc",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<"bababbc">> = iolist_to_binary(join(re:split("bababbc","^(ba|b*){1,2}?bc",[]))), 
?line <<"babababc">> = iolist_to_binary(join(re:split("babababc","^(ba|b*){1,2}?bc",[trim]))), 
?line <<"babababc">> = iolist_to_binary(join(re:split("babababc","^(ba|b*){1,2}?bc",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"babababc">> = iolist_to_binary(join(re:split("babababc","^(ba|b*){1,2}?bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("

;z","^\\ca\\cA\\c[\\c{\\c:",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("

;z","^\\ca\\cA\\c[\\c{\\c:",[{parts,
                                                                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("

;z","^\\ca\\cA\\c[\\c{\\c:",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("athing","^[ab\\]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("athing","^[ab\\]cde]",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("athing","^[ab\\]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("bthing","^[ab\\]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("bthing","^[ab\\]cde]",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("bthing","^[ab\\]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("]thing","^[ab\\]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("]thing","^[ab\\]cde]",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("]thing","^[ab\\]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("cthing","^[ab\\]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("cthing","^[ab\\]cde]",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("cthing","^[ab\\]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("dthing","^[ab\\]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("dthing","^[ab\\]cde]",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("dthing","^[ab\\]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("ething","^[ab\\]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("ething","^[ab\\]cde]",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("ething","^[ab\\]cde]",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[ab\\]cde]",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[ab\\]cde]",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[ab\\]cde]",[]))), 
?line <<"fthing">> = iolist_to_binary(join(re:split("fthing","^[ab\\]cde]",[trim]))), 
?line <<"fthing">> = iolist_to_binary(join(re:split("fthing","^[ab\\]cde]",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<"fthing">> = iolist_to_binary(join(re:split("fthing","^[ab\\]cde]",[]))), 
?line <<"[thing">> = iolist_to_binary(join(re:split("[thing","^[ab\\]cde]",[trim]))), 
?line <<"[thing">> = iolist_to_binary(join(re:split("[thing","^[ab\\]cde]",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<"[thing">> = iolist_to_binary(join(re:split("[thing","^[ab\\]cde]",[]))), 
?line <<"\\thing">> = iolist_to_binary(join(re:split("\\thing","^[ab\\]cde]",[trim]))), 
?line <<"\\thing">> = iolist_to_binary(join(re:split("\\thing","^[ab\\]cde]",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<"\\thing">> = iolist_to_binary(join(re:split("\\thing","^[ab\\]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("]thing","^[]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("]thing","^[]cde]",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("]thing","^[]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("cthing","^[]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("cthing","^[]cde]",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("cthing","^[]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("dthing","^[]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("dthing","^[]cde]",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("dthing","^[]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("ething","^[]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("ething","^[]cde]",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("ething","^[]cde]",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[]cde]",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[]cde]",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[]cde]",[]))), 
?line <<"athing">> = iolist_to_binary(join(re:split("athing","^[]cde]",[trim]))), 
?line <<"athing">> = iolist_to_binary(join(re:split("athing","^[]cde]",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"athing">> = iolist_to_binary(join(re:split("athing","^[]cde]",[]))), 
?line <<"fthing">> = iolist_to_binary(join(re:split("fthing","^[]cde]",[trim]))), 
?line <<"fthing">> = iolist_to_binary(join(re:split("fthing","^[]cde]",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"fthing">> = iolist_to_binary(join(re:split("fthing","^[]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("fthing","^[^ab\\]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("fthing","^[^ab\\]cde]",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("fthing","^[^ab\\]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("[thing","^[^ab\\]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("[thing","^[^ab\\]cde]",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("[thing","^[^ab\\]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("\\thing","^[^ab\\]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("\\thing","^[^ab\\]cde]",[{parts,
                                                                                                                                                                                           2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("\\thing","^[^ab\\]cde]",[]))), 
?line <<":** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[^ab\\]cde]",[trim]))), 
?line <<":** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[^ab\\]cde]",[{parts,
                                                                                                                                                                                                 2}]))), 
?line <<":** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[^ab\\]cde]",[]))), 
?line <<"athing">> = iolist_to_binary(join(re:split("athing","^[^ab\\]cde]",[trim]))), 
?line <<"athing">> = iolist_to_binary(join(re:split("athing","^[^ab\\]cde]",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<"athing">> = iolist_to_binary(join(re:split("athing","^[^ab\\]cde]",[]))), 
?line <<"bthing">> = iolist_to_binary(join(re:split("bthing","^[^ab\\]cde]",[trim]))), 
?line <<"bthing">> = iolist_to_binary(join(re:split("bthing","^[^ab\\]cde]",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<"bthing">> = iolist_to_binary(join(re:split("bthing","^[^ab\\]cde]",[]))), 
?line <<"]thing">> = iolist_to_binary(join(re:split("]thing","^[^ab\\]cde]",[trim]))), 
?line <<"]thing">> = iolist_to_binary(join(re:split("]thing","^[^ab\\]cde]",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<"]thing">> = iolist_to_binary(join(re:split("]thing","^[^ab\\]cde]",[]))), 
?line <<"cthing">> = iolist_to_binary(join(re:split("cthing","^[^ab\\]cde]",[trim]))), 
?line <<"cthing">> = iolist_to_binary(join(re:split("cthing","^[^ab\\]cde]",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<"cthing">> = iolist_to_binary(join(re:split("cthing","^[^ab\\]cde]",[]))), 
?line <<"dthing">> = iolist_to_binary(join(re:split("dthing","^[^ab\\]cde]",[trim]))), 
?line <<"dthing">> = iolist_to_binary(join(re:split("dthing","^[^ab\\]cde]",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<"dthing">> = iolist_to_binary(join(re:split("dthing","^[^ab\\]cde]",[]))), 
?line <<"ething">> = iolist_to_binary(join(re:split("ething","^[^ab\\]cde]",[trim]))), 
?line <<"ething">> = iolist_to_binary(join(re:split("ething","^[^ab\\]cde]",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<"ething">> = iolist_to_binary(join(re:split("ething","^[^ab\\]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("athing","^[^]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("athing","^[^]cde]",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("athing","^[^]cde]",[]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("fthing","^[^]cde]",[trim]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("fthing","^[^]cde]",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":thing">> = iolist_to_binary(join(re:split("fthing","^[^]cde]",[]))), 
?line <<":** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[^]cde]",[trim]))), 
?line <<":** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[^]cde]",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<":** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[^]cde]",[]))), 
?line <<"]thing">> = iolist_to_binary(join(re:split("]thing","^[^]cde]",[trim]))), 
?line <<"]thing">> = iolist_to_binary(join(re:split("]thing","^[^]cde]",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"]thing">> = iolist_to_binary(join(re:split("]thing","^[^]cde]",[]))), 
?line <<"cthing">> = iolist_to_binary(join(re:split("cthing","^[^]cde]",[trim]))), 
?line <<"cthing">> = iolist_to_binary(join(re:split("cthing","^[^]cde]",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"cthing">> = iolist_to_binary(join(re:split("cthing","^[^]cde]",[]))), 
?line <<"dthing">> = iolist_to_binary(join(re:split("dthing","^[^]cde]",[trim]))), 
?line <<"dthing">> = iolist_to_binary(join(re:split("dthing","^[^]cde]",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"dthing">> = iolist_to_binary(join(re:split("dthing","^[^]cde]",[]))), 
?line <<"ething">> = iolist_to_binary(join(re:split("ething","^[^]cde]",[trim]))), 
?line <<"ething">> = iolist_to_binary(join(re:split("ething","^[^]cde]",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"ething">> = iolist_to_binary(join(re:split("ething","^[^]cde]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("","^\\",[trim]))),
?line <<":">> = iolist_to_binary(join(re:split("","^\\",[{parts,
                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("","^\\",[]))),
?line <<"">> = iolist_to_binary(join(re:split("ÿ","^ÿ",[trim]))),
?line <<":">> = iolist_to_binary(join(re:split("ÿ","^ÿ",[{parts,
                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ÿ","^ÿ",[]))),
?line <<"">> = iolist_to_binary(join(re:split("0","^[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("0","^[0-9]+$",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("0","^[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("1","^[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("1","^[0-9]+$",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("1","^[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("2","^[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("2","^[0-9]+$",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("2","^[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("3","^[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("3","^[0-9]+$",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("3","^[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("4","^[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("4","^[0-9]+$",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("4","^[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("5","^[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("5","^[0-9]+$",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("5","^[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("6","^[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("6","^[0-9]+$",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("6","^[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("7","^[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("7","^[0-9]+$",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("7","^[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("8","^[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("8","^[0-9]+$",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("8","^[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("9","^[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("9","^[0-9]+$",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("9","^[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("10","^[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("10","^[0-9]+$",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("10","^[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("100","^[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("100","^[0-9]+$",[{parts,
                                                                                                                                                                         2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("100","^[0-9]+$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[0-9]+$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[0-9]+$",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[0-9]+$",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^[0-9]+$",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^[0-9]+$",[{parts,
                                                                                                                                                                         2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("enter","^.*nter",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("enter","^.*nter",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("enter","^.*nter",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("inter","^.*nter",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("inter","^.*nter",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("inter","^.*nter",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("uponter","^.*nter",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("uponter","^.*nter",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("uponter","^.*nter",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("xxx0","^xxx[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("xxx0","^xxx[0-9]+$",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("xxx0","^xxx[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("xxx1234","^xxx[0-9]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("xxx1234","^xxx[0-9]+$",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("xxx1234","^xxx[0-9]+$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^xxx[0-9]+$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^xxx[0-9]+$",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^xxx[0-9]+$",[]))), 
?line <<"xxx">> = iolist_to_binary(join(re:split("xxx","^xxx[0-9]+$",[trim]))), 
?line <<"xxx">> = iolist_to_binary(join(re:split("xxx","^xxx[0-9]+$",[{parts,
                                                                                                                                                                               2}]))), 
?line <<"xxx">> = iolist_to_binary(join(re:split("xxx","^xxx[0-9]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("x123","^.+[0-9][0-9][0-9]$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("x123","^.+[0-9][0-9][0-9]$",[{parts,
                                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("x123","^.+[0-9][0-9][0-9]$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("xx123","^.+[0-9][0-9][0-9]$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("xx123","^.+[0-9][0-9][0-9]$",[{parts,
                                                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("xx123","^.+[0-9][0-9][0-9]$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("123456","^.+[0-9][0-9][0-9]$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("123456","^.+[0-9][0-9][0-9]$",[{parts,
                                                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("123456","^.+[0-9][0-9][0-9]$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^.+[0-9][0-9][0-9]$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^.+[0-9][0-9][0-9]$",[{parts,
                                                                                                                                                                                                               2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^.+[0-9][0-9][0-9]$",[]))), 
?line <<"123">> = iolist_to_binary(join(re:split("123","^.+[0-9][0-9][0-9]$",[trim]))), 
?line <<"123">> = iolist_to_binary(join(re:split("123","^.+[0-9][0-9][0-9]$",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<"123">> = iolist_to_binary(join(re:split("123","^.+[0-9][0-9][0-9]$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("x1234","^.+[0-9][0-9][0-9]$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("x1234","^.+[0-9][0-9][0-9]$",[{parts,
                                                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("x1234","^.+[0-9][0-9][0-9]$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("x123","^.+?[0-9][0-9][0-9]$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("x123","^.+?[0-9][0-9][0-9]$",[{parts,
                                                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("x123","^.+?[0-9][0-9][0-9]$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("xx123","^.+?[0-9][0-9][0-9]$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("xx123","^.+?[0-9][0-9][0-9]$",[{parts,
                                                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("xx123","^.+?[0-9][0-9][0-9]$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("123456","^.+?[0-9][0-9][0-9]$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("123456","^.+?[0-9][0-9][0-9]$",[{parts,
                                                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("123456","^.+?[0-9][0-9][0-9]$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^.+?[0-9][0-9][0-9]$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^.+?[0-9][0-9][0-9]$",[{parts,
                                                                                                                                                                                                                 2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^.+?[0-9][0-9][0-9]$",[]))), 
?line <<"123">> = iolist_to_binary(join(re:split("123","^.+?[0-9][0-9][0-9]$",[trim]))), 
?line <<"123">> = iolist_to_binary(join(re:split("123","^.+?[0-9][0-9][0-9]$",[{parts,
                                                                                                                                                                                                 2}]))), 
?line <<"123">> = iolist_to_binary(join(re:split("123","^.+?[0-9][0-9][0-9]$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("x1234","^.+?[0-9][0-9][0-9]$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("x1234","^.+?[0-9][0-9][0-9]$",[{parts,
                                                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("x1234","^.+?[0-9][0-9][0-9]$",[]))), 
?line <<":abc:pqr">> = iolist_to_binary(join(re:split("abc!pqr=apquxz.ixr.zzz.ac.uk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[trim]))), 
?line <<":abc:pqr:">> = iolist_to_binary(join(re:split("abc!pqr=apquxz.ixr.zzz.ac.uk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[{parts,
                                                                                                                                                                                                                                                                                                     2}]))), 
?line <<":abc:pqr:">> = iolist_to_binary(join(re:split("abc!pqr=apquxz.ixr.zzz.ac.uk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[{parts,
                                                                                                                                                                                                                                                                   2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[]))), 
?line <<"!pqr=apquxz.ixr.zzz.ac.uk">> = iolist_to_binary(join(re:split("!pqr=apquxz.ixr.zzz.ac.uk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[trim]))), 
?line <<"!pqr=apquxz.ixr.zzz.ac.uk">> = iolist_to_binary(join(re:split("!pqr=apquxz.ixr.zzz.ac.uk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[{parts,
                                                                                                                                                                                                                                                                                               2}]))), 
?line <<"!pqr=apquxz.ixr.zzz.ac.uk">> = iolist_to_binary(join(re:split("!pqr=apquxz.ixr.zzz.ac.uk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[]))), 
?line <<"abc!=apquxz.ixr.zzz.ac.uk">> = iolist_to_binary(join(re:split("abc!=apquxz.ixr.zzz.ac.uk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[trim]))), 
?line <<"abc!=apquxz.ixr.zzz.ac.uk">> = iolist_to_binary(join(re:split("abc!=apquxz.ixr.zzz.ac.uk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[{parts,
                                                                                                                                                                                                                                                                                               2}]))), 
?line <<"abc!=apquxz.ixr.zzz.ac.uk">> = iolist_to_binary(join(re:split("abc!=apquxz.ixr.zzz.ac.uk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[]))), 
?line <<"abc!pqr=apquxz:ixr.zzz.ac.uk">> = iolist_to_binary(join(re:split("abc!pqr=apquxz:ixr.zzz.ac.uk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[trim]))), 
?line <<"abc!pqr=apquxz:ixr.zzz.ac.uk">> = iolist_to_binary(join(re:split("abc!pqr=apquxz:ixr.zzz.ac.uk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[{parts,
                                                                                                                                                                                                                                                                                                     2}]))), 
?line <<"abc!pqr=apquxz:ixr.zzz.ac.uk">> = iolist_to_binary(join(re:split("abc!pqr=apquxz:ixr.zzz.ac.uk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[]))), 
?line <<"abc!pqr=apquxz.ixr.zzz.ac.ukk">> = iolist_to_binary(join(re:split("abc!pqr=apquxz.ixr.zzz.ac.ukk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[trim]))), 
?line <<"abc!pqr=apquxz.ixr.zzz.ac.ukk">> = iolist_to_binary(join(re:split("abc!pqr=apquxz.ixr.zzz.ac.ukk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[{parts,
                                                                                                                                                                                                                                                                                                       2}]))), 
?line <<"abc!pqr=apquxz.ixr.zzz.ac.ukk">> = iolist_to_binary(join(re:split("abc!pqr=apquxz.ixr.zzz.ac.ukk","^([^!]+)!(.+)=apquxz\\.ixr\\.zzz\\.ac\\.uk$",[]))), 
?line <<"Well, we need a colon: somewhere">> = iolist_to_binary(join(re:split("Well, we need a colon: somewhere",":",[trim]))), 
?line <<"Well, we need a colon: somewhere">> = iolist_to_binary(join(re:split("Well, we need a colon: somewhere",":",[{parts,
                                                                                                                                                                                                                    2}]))), 
?line <<"Well, we need a colon: somewhere">> = iolist_to_binary(join(re:split("Well, we need a colon: somewhere",":",[]))), 
?line <<"*** Fail if we don't">> = iolist_to_binary(join(re:split("*** Fail if we don't",":",[trim]))), 
?line <<"*** Fail if we don't">> = iolist_to_binary(join(re:split("*** Fail if we don't",":",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<"*** Fail if we don't">> = iolist_to_binary(join(re:split("*** Fail if we don't",":",[]))), 
?line <<":0abc">> = iolist_to_binary(join(re:split("0abc","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                    trim]))), 
?line <<":0abc:">> = iolist_to_binary(join(re:split("0abc","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                      {parts,
                                                                                                                                                                                       2}]))), 
?line <<":0abc:">> = iolist_to_binary(join(re:split("0abc","([\\da-f:]+)$",[caseless]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abc","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                  trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abc","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                    {parts,
                                                                                                                                                                                     2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abc","([\\da-f:]+)$",[caseless]))), 
?line <<":fed">> = iolist_to_binary(join(re:split("fed","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                  trim]))), 
?line <<":fed:">> = iolist_to_binary(join(re:split("fed","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                    {parts,
                                                                                                                                                                                     2}]))), 
?line <<":fed:">> = iolist_to_binary(join(re:split("fed","([\\da-f:]+)$",[caseless]))), 
?line <<":E">> = iolist_to_binary(join(re:split("E","([\\da-f:]+)$",[caseless,
                                                                                                                                                                              trim]))), 
?line <<":E:">> = iolist_to_binary(join(re:split("E","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                {parts,
                                                                                                                                                                                 2}]))), 
?line <<":E:">> = iolist_to_binary(join(re:split("E","([\\da-f:]+)$",[caseless]))), 
?line <<":::">> = iolist_to_binary(join(re:split("::","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                trim]))), 
?line <<"::::">> = iolist_to_binary(join(re:split("::","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                  {parts,
                                                                                                                                                                                   2}]))), 
?line <<"::::">> = iolist_to_binary(join(re:split("::","([\\da-f:]+)$",[caseless]))), 
?line <<":5f03:12C0::932e">> = iolist_to_binary(join(re:split("5f03:12C0::932e","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                                          trim]))), 
?line <<":5f03:12C0::932e:">> = iolist_to_binary(join(re:split("5f03:12C0::932e","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                                            {parts,
                                                                                                                                                                                                             2}]))), 
?line <<":5f03:12C0::932e:">> = iolist_to_binary(join(re:split("5f03:12C0::932e","([\\da-f:]+)$",[caseless]))), 
?line <<"fed :def">> = iolist_to_binary(join(re:split("fed def","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                          trim]))), 
?line <<"fed :def:">> = iolist_to_binary(join(re:split("fed def","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                            {parts,
                                                                                                                                                                                             2}]))), 
?line <<"fed :def:">> = iolist_to_binary(join(re:split("fed def","([\\da-f:]+)$",[caseless]))), 
?line <<"Any old stu:ff">> = iolist_to_binary(join(re:split("Any old stuff","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                                      trim]))), 
?line <<"Any old stu:ff:">> = iolist_to_binary(join(re:split("Any old stuff","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                                        {parts,
                                                                                                                                                                                                         2}]))), 
?line <<"Any old stu:ff:">> = iolist_to_binary(join(re:split("Any old stuff","([\\da-f:]+)$",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                                  trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                                    {parts,
                                                                                                                                                                                                     2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","([\\da-f:]+)$",[caseless]))), 
?line <<"0zzz">> = iolist_to_binary(join(re:split("0zzz","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                    trim]))), 
?line <<"0zzz">> = iolist_to_binary(join(re:split("0zzz","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                      {parts,
                                                                                                                                                                                       2}]))), 
?line <<"0zzz">> = iolist_to_binary(join(re:split("0zzz","([\\da-f:]+)$",[caseless]))), 
?line <<"gzzz">> = iolist_to_binary(join(re:split("gzzz","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                    trim]))), 
?line <<"gzzz">> = iolist_to_binary(join(re:split("gzzz","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                      {parts,
                                                                                                                                                                                       2}]))), 
?line <<"gzzz">> = iolist_to_binary(join(re:split("gzzz","([\\da-f:]+)$",[caseless]))), 
?line <<"fed ">> = iolist_to_binary(join(re:split("fed ","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                    trim]))), 
?line <<"fed ">> = iolist_to_binary(join(re:split("fed ","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                      {parts,
                                                                                                                                                                                       2}]))), 
?line <<"fed ">> = iolist_to_binary(join(re:split("fed ","([\\da-f:]+)$",[caseless]))), 
?line <<"Any old rubbish">> = iolist_to_binary(join(re:split("Any old rubbish","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                                          trim]))), 
?line <<"Any old rubbish">> = iolist_to_binary(join(re:split("Any old rubbish","([\\da-f:]+)$",[caseless,
                                                                                                                                                                                                            {parts,
                                                                                                                                                                                                             2}]))), 
?line <<"Any old rubbish">> = iolist_to_binary(join(re:split("Any old rubbish","([\\da-f:]+)$",[caseless]))), 
?line <<":1:2:3">> = iolist_to_binary(join(re:split(".1.2.3","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[trim]))), 
?line <<":1:2:3:">> = iolist_to_binary(join(re:split(".1.2.3","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[{parts,
                                                                                                                                                                                                                                                           2}]))), 
?line <<":1:2:3:">> = iolist_to_binary(join(re:split(".1.2.3","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[]))), 
?line <<":12:123:0">> = iolist_to_binary(join(re:split("A.12.123.0","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[trim]))), 
?line <<":12:123:0:">> = iolist_to_binary(join(re:split("A.12.123.0","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[{parts,
                                                                                                                                                                                                                                                                   2}]))), 
?line <<":12:123:0:">> = iolist_to_binary(join(re:split("A.12.123.0","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[{parts,
                                                                                                                                                                                                                                                                     2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[]))), 
?line <<".1.2.3333">> = iolist_to_binary(join(re:split(".1.2.3333","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[trim]))), 
?line <<".1.2.3333">> = iolist_to_binary(join(re:split(".1.2.3333","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[{parts,
                                                                                                                                                                                                                                                                 2}]))), 
?line <<".1.2.3333">> = iolist_to_binary(join(re:split(".1.2.3333","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[]))), 
?line <<"1.2.3">> = iolist_to_binary(join(re:split("1.2.3","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[trim]))), 
?line <<"1.2.3">> = iolist_to_binary(join(re:split("1.2.3","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[{parts,
                                                                                                                                                                                                                                                         2}]))), 
?line <<"1.2.3">> = iolist_to_binary(join(re:split("1.2.3","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[]))), 
?line <<"1234.2.3">> = iolist_to_binary(join(re:split("1234.2.3","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[trim]))), 
?line <<"1234.2.3">> = iolist_to_binary(join(re:split("1234.2.3","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[{parts,
                                                                                                                                                                                                                                                               2}]))), 
?line <<"1234.2.3">> = iolist_to_binary(join(re:split("1234.2.3","^.*\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$",[]))), 
?line <<":1:non-sp1:non-sp2">> = iolist_to_binary(join(re:split("1 IN SOA non-sp1 non-sp2(","^(\\d+)\\s+IN\\s+SOA\\s+(\\S+)\\s+(\\S+)\\s*\\(\\s*$",[trim]))), 
?line <<":1:non-sp1:non-sp2:">> = iolist_to_binary(join(re:split("1 IN SOA non-sp1 non-sp2(","^(\\d+)\\s+IN\\s+SOA\\s+(\\S+)\\s+(\\S+)\\s*\\(\\s*$",[{parts,
                                                                                                                                                                                                                                                                                                                       2}]))), 
?line <<":1:non-sp1:non-sp2:">> = iolist_to_binary(join(re:split("1 IN SOA non-sp1 non-sp2(","^(\\d+)\\s+IN\\s+SOA\\s+(\\S+)\\s+(\\S+)\\s*\\(\\s*$",[]))), 
?line <<":1:non-sp1:non-sp2">> = iolist_to_binary(join(re:split("1    IN    SOA    non-sp1    non-sp2   (","^(\\d+)\\s+IN\\s+SOA\\s+(\\S+)\\s+(\\S+)\\s*\\(\\s*$",[trim]))), 
?line <<":1:non-sp1:non-sp2:">> = iolist_to_binary(join(re:split("1    IN    SOA    non-sp1    non-sp2   (","^(\\d+)\\s+IN\\s+SOA\\s+(\\S+)\\s+(\\S+)\\s*\\(\\s*$",[{parts,
                                                                                                                                                                                                                                                                                                                                                     2}]))), 
?line <<":1:non-sp1:non-sp2:">> = iolist_to_binary(join(re:split("1    IN    SOA    non-sp1    non-sp2   (","^(\\d+)\\s+IN\\s+SOA\\s+(\\S+)\\s+(\\S+)\\s*\\(\\s*$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\d+)\\s+IN\\s+SOA\\s+(\\S+)\\s+(\\S+)\\s*\\(\\s*$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\d+)\\s+IN\\s+SOA\\s+(\\S+)\\s+(\\S+)\\s*\\(\\s*$",[{parts,
                                                                                                                                                                                                                                                                                           2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\d+)\\s+IN\\s+SOA\\s+(\\S+)\\s+(\\S+)\\s*\\(\\s*$",[]))), 
?line <<"1IN SOA non-sp1 non-sp2(">> = iolist_to_binary(join(re:split("1IN SOA non-sp1 non-sp2(","^(\\d+)\\s+IN\\s+SOA\\s+(\\S+)\\s+(\\S+)\\s*\\(\\s*$",[trim]))), 
?line <<"1IN SOA non-sp1 non-sp2(">> = iolist_to_binary(join(re:split("1IN SOA non-sp1 non-sp2(","^(\\d+)\\s+IN\\s+SOA\\s+(\\S+)\\s+(\\S+)\\s*\\(\\s*$",[{parts,
                                                                                                                                                                                                                                                                                                                     2}]))), 
?line <<"1IN SOA non-sp1 non-sp2(">> = iolist_to_binary(join(re:split("1IN SOA non-sp1 non-sp2(","^(\\d+)\\s+IN\\s+SOA\\s+(\\S+)\\s+(\\S+)\\s*\\(\\s*$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[{parts,
                                                                                                                                                                                                                                                                                             2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("Z.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("Z.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[{parts,
                                                                                                                                                                                                                                                                                             2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("Z.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("2.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("2.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[{parts,
                                                                                                                                                                                                                                                                                             2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("2.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[]))), 
?line <<":.pq-r">> = iolist_to_binary(join(re:split("ab-c.pq-r.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[trim]))), 
?line <<":.pq-r:">> = iolist_to_binary(join(re:split("ab-c.pq-r.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[{parts,
                                                                                                                                                                                                                                                                                                             2}]))), 
?line <<":.pq-r:">> = iolist_to_binary(join(re:split("ab-c.pq-r.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[]))), 
?line <<":.uk">> = iolist_to_binary(join(re:split("sxk.zzz.ac.uk.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[trim]))), 
?line <<":.uk:">> = iolist_to_binary(join(re:split("sxk.zzz.ac.uk.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[{parts,
                                                                                                                                                                                                                                                                                                                     2}]))), 
?line <<":.uk:">> = iolist_to_binary(join(re:split("sxk.zzz.ac.uk.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[]))), 
?line <<":.y-">> = iolist_to_binary(join(re:split("x-.y-.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[trim]))), 
?line <<":.y-:">> = iolist_to_binary(join(re:split("x-.y-.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[{parts,
                                                                                                                                                                                                                                                                                                     2}]))), 
?line <<":.y-:">> = iolist_to_binary(join(re:split("x-.y-.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[{parts,
                                                                                                                                                                                                                                                                                                               2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[]))), 
?line <<"-abc.peq.">> = iolist_to_binary(join(re:split("-abc.peq.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[trim]))), 
?line <<"-abc.peq.">> = iolist_to_binary(join(re:split("-abc.peq.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[{parts,
                                                                                                                                                                                                                                                                                                           2}]))), 
?line <<"-abc.peq.">> = iolist_to_binary(join(re:split("-abc.peq.","^[a-zA-Z\\d][a-zA-Z\\d\\-]*(\\.[a-zA-Z\\d][a-zA-z\\d\\-]*)*\\.$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("*.a","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[trim]))), 
?line <<"::::">> = iolist_to_binary(join(re:split("*.a","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[{parts,
                                                                                                                                                                                                                                                                                                                  2}]))), 
?line <<"::::">> = iolist_to_binary(join(re:split("*.a","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[]))), 
?line <<":0-a">> = iolist_to_binary(join(re:split("*.b0-a","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[trim]))), 
?line <<":0-a:::">> = iolist_to_binary(join(re:split("*.b0-a","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[{parts,
                                                                                                                                                                                                                                                                                                                        2}]))), 
?line <<":0-a:::">> = iolist_to_binary(join(re:split("*.b0-a","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[]))), 
?line <<":3-b:.c">> = iolist_to_binary(join(re:split("*.c3-b.c","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[trim]))), 
?line <<":3-b:.c::">> = iolist_to_binary(join(re:split("*.c3-b.c","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[{parts,
                                                                                                                                                                                                                                                                                                                            2}]))), 
?line <<":3-b:.c::">> = iolist_to_binary(join(re:split("*.c3-b.c","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[]))), 
?line <<":-a:.b-c:-c">> = iolist_to_binary(join(re:split("*.c-a.b-c","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[trim]))), 
?line <<":-a:.b-c:-c:">> = iolist_to_binary(join(re:split("*.c-a.b-c","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[{parts,
                                                                                                                                                                                                                                                                                                                              2}]))), 
?line <<":-a:.b-c:-c:">> = iolist_to_binary(join(re:split("*.c-a.b-c","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[{parts,
                                                                                                                                                                                                                                                                                                                                  2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[]))), 
?line <<"*.0">> = iolist_to_binary(join(re:split("*.0","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[trim]))), 
?line <<"*.0">> = iolist_to_binary(join(re:split("*.0","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[{parts,
                                                                                                                                                                                                                                                                                                                  2}]))), 
?line <<"*.0">> = iolist_to_binary(join(re:split("*.0","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[]))), 
?line <<"*.a-">> = iolist_to_binary(join(re:split("*.a-","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[trim]))), 
?line <<"*.a-">> = iolist_to_binary(join(re:split("*.a-","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[{parts,
                                                                                                                                                                                                                                                                                                                    2}]))), 
?line <<"*.a-">> = iolist_to_binary(join(re:split("*.a-","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[]))), 
?line <<"*.a-b.c-">> = iolist_to_binary(join(re:split("*.a-b.c-","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[trim]))), 
?line <<"*.a-b.c-">> = iolist_to_binary(join(re:split("*.a-b.c-","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[{parts,
                                                                                                                                                                                                                                                                                                                            2}]))), 
?line <<"*.a-b.c-">> = iolist_to_binary(join(re:split("*.a-b.c-","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[]))), 
?line <<"*.c-a.0-c">> = iolist_to_binary(join(re:split("*.c-a.0-c","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[trim]))), 
?line <<"*.c-a.0-c">> = iolist_to_binary(join(re:split("*.c-a.0-c","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[{parts,
                                                                                                                                                                                                                                                                                                                              2}]))), 
?line <<"*.c-a.0-c">> = iolist_to_binary(join(re:split("*.c-a.0-c","^\\*\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?(\\.[a-z]([a-z\\-\\d]*[a-z\\d]+)?)*$",[]))), 
?line <<":de:abd:e">> = iolist_to_binary(join(re:split("abde","^(?=ab(de))(abd)(e)",[trim]))), 
?line <<":de:abd:e:">> = iolist_to_binary(join(re:split("abde","^(?=ab(de))(abd)(e)",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<":de:abd:e:">> = iolist_to_binary(join(re:split("abde","^(?=ab(de))(abd)(e)",[]))), 
?line <<"::abd:f">> = iolist_to_binary(join(re:split("abdf","^(?!(ab)de|x)(abd)(f)",[trim]))), 
?line <<"::abd:f:">> = iolist_to_binary(join(re:split("abdf","^(?!(ab)de|x)(abd)(f)",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<"::abd:f:">> = iolist_to_binary(join(re:split("abdf","^(?!(ab)de|x)(abd)(f)",[]))), 
?line <<":abcd:cd:ab:cd">> = iolist_to_binary(join(re:split("abcd","^(?=(ab(cd)))(ab)",[trim]))), 
?line <<":abcd:cd:ab:cd">> = iolist_to_binary(join(re:split("abcd","^(?=(ab(cd)))(ab)",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":abcd:cd:ab:cd">> = iolist_to_binary(join(re:split("abcd","^(?=(ab(cd)))(ab)",[]))), 
?line <<":.d">> = iolist_to_binary(join(re:split("a.b.c.d","^[\\da-f](\\.[\\da-f])*$",[caseless,
                                                                                                                                                                                                                  trim]))), 
?line <<":.d:">> = iolist_to_binary(join(re:split("a.b.c.d","^[\\da-f](\\.[\\da-f])*$",[caseless,
                                                                                                                                                                                                                    {parts,
                                                                                                                                                                                                                     2}]))), 
?line <<":.d:">> = iolist_to_binary(join(re:split("a.b.c.d","^[\\da-f](\\.[\\da-f])*$",[caseless]))), 
?line <<":.D">> = iolist_to_binary(join(re:split("A.B.C.D","^[\\da-f](\\.[\\da-f])*$",[caseless,
                                                                                                                                                                                                                  trim]))), 
?line <<":.D:">> = iolist_to_binary(join(re:split("A.B.C.D","^[\\da-f](\\.[\\da-f])*$",[caseless,
                                                                                                                                                                                                                    {parts,
                                                                                                                                                                                                                     2}]))), 
?line <<":.D:">> = iolist_to_binary(join(re:split("A.B.C.D","^[\\da-f](\\.[\\da-f])*$",[caseless]))), 
?line <<":.C">> = iolist_to_binary(join(re:split("a.b.c.1.2.3.C","^[\\da-f](\\.[\\da-f])*$",[caseless,
                                                                                                                                                                                                                              trim]))), 
?line <<":.C:">> = iolist_to_binary(join(re:split("a.b.c.1.2.3.C","^[\\da-f](\\.[\\da-f])*$",[caseless,
                                                                                                                                                                                                                                {parts,
                                                                                                                                                                                                                                 2}]))), 
?line <<":.C:">> = iolist_to_binary(join(re:split("a.b.c.1.2.3.C","^[\\da-f](\\.[\\da-f])*$",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("\"1234\"","^\\\".*\\\"\\s*(;.*)?$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("\"1234\"","^\\\".*\\\"\\s*(;.*)?$",[{parts,
                                                                                                                                                                                                                        2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("\"1234\"","^\\\".*\\\"\\s*(;.*)?$",[]))), 
?line <<":;">> = iolist_to_binary(join(re:split("\"abcd\" ;","^\\\".*\\\"\\s*(;.*)?$",[trim]))), 
?line <<":;:">> = iolist_to_binary(join(re:split("\"abcd\" ;","^\\\".*\\\"\\s*(;.*)?$",[{parts,
                                                                                                                                                                                                                            2}]))), 
?line <<":;:">> = iolist_to_binary(join(re:split("\"abcd\" ;","^\\\".*\\\"\\s*(;.*)?$",[]))), 
?line <<":; rhubarb">> = iolist_to_binary(join(re:split("\"\" ; rhubarb","^\\\".*\\\"\\s*(;.*)?$",[trim]))), 
?line <<":; rhubarb:">> = iolist_to_binary(join(re:split("\"\" ; rhubarb","^\\\".*\\\"\\s*(;.*)?$",[{parts,
                                                                                                                                                                                                                                    2}]))), 
?line <<":; rhubarb:">> = iolist_to_binary(join(re:split("\"\" ; rhubarb","^\\\".*\\\"\\s*(;.*)?$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\\".*\\\"\\s*(;.*)?$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\\".*\\\"\\s*(;.*)?$",[{parts,
                                                                                                                                                                                                                          2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\\".*\\\"\\s*(;.*)?$",[]))), 
?line <<"\"1234\" : things">> = iolist_to_binary(join(re:split("\"1234\" : things","^\\\".*\\\"\\s*(;.*)?$",[trim]))), 
?line <<"\"1234\" : things">> = iolist_to_binary(join(re:split("\"1234\" : things","^\\\".*\\\"\\s*(;.*)?$",[{parts,
                                                                                                                                                                                                                                          2}]))), 
?line <<"\"1234\" : things">> = iolist_to_binary(join(re:split("\"1234\" : things","^\\\".*\\\"\\s*(;.*)?$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("","^$",[trim]))), 
?line <<"">> = iolist_to_binary(join(re:split("","^$",[{parts,
                                                                                                                                                       2}]))), 
?line <<"">> = iolist_to_binary(join(re:split("","^$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^$",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab c","   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[extended,
                                                                                                                                                                                                                                                                                                trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab c","   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[extended,
                                                                                                                                                                                                                                                                                                  {parts,
                                                                                                                                                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab c","   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[extended]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[extended,
                                                                                                                                                                                                                                                                                                              trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[extended,
                                                                                                                                                                                                                                                                                                                {parts,
                                                                                                                                                                                                                                                                                                                 2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[extended]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[extended,
                                                                                                                                                                                                                                                                                              trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[extended,
                                                                                                                                                                                                                                                                                                {parts,
                                                                                                                                                                                                                                                                                                 2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[extended]))), 
?line <<"ab cde">> = iolist_to_binary(join(re:split("ab cde","   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[extended,
                                                                                                                                                                                                                                                                                                    trim]))), 
?line <<"ab cde">> = iolist_to_binary(join(re:split("ab cde","   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[extended,
                                                                                                                                                                                                                                                                                                      {parts,
                                                                                                                                                                                                                                                                                                       2}]))), 
?line <<"ab cde">> = iolist_to_binary(join(re:split("ab cde","   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab c","(?x)   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab c","(?x)   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[{parts,
                                                                                                                                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab c","(?x)   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?x)   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?x)   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[{parts,
                                                                                                                                                                                                                                                                                                                        2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?x)   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(?x)   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(?x)   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[{parts,
                                                                                                                                                                                                                                                                                                        2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(?x)   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[]))), 
?line <<"ab cde">> = iolist_to_binary(join(re:split("ab cde","(?x)   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[trim]))), 
?line <<"ab cde">> = iolist_to_binary(join(re:split("ab cde","(?x)   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[{parts,
                                                                                                                                                                                                                                                                                                              2}]))), 
?line <<"ab cde">> = iolist_to_binary(join(re:split("ab cde","(?x)   ^    a   (?# begins with a)  b\\sc (?# then b c) $ (?# then end)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a bcd","^   a\\ b[c ]d       $",[extended,
                                                                                                                                                                                                        trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a bcd","^   a\\ b[c ]d       $",[extended,
                                                                                                                                                                                                          {parts,
                                                                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a bcd","^   a\\ b[c ]d       $",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("a b d","^   a\\ b[c ]d       $",[extended,
                                                                                                                                                                                                        trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a b d","^   a\\ b[c ]d       $",[extended,
                                                                                                                                                                                                          {parts,
                                                                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a b d","^   a\\ b[c ]d       $",[extended]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^   a\\ b[c ]d       $",[extended,
                                                                                                                                                                                                                    trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^   a\\ b[c ]d       $",[extended,
                                                                                                                                                                                                                      {parts,
                                                                                                                                                                                                                       2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^   a\\ b[c ]d       $",[extended]))), 
?line <<"abcd">> = iolist_to_binary(join(re:split("abcd","^   a\\ b[c ]d       $",[extended,
                                                                                                                                                                                                      trim]))), 
?line <<"abcd">> = iolist_to_binary(join(re:split("abcd","^   a\\ b[c ]d       $",[extended,
                                                                                                                                                                                                        {parts,
                                                                                                                                                                                                         2}]))), 
?line <<"abcd">> = iolist_to_binary(join(re:split("abcd","^   a\\ b[c ]d       $",[extended]))), 
?line <<"ab d">> = iolist_to_binary(join(re:split("ab d","^   a\\ b[c ]d       $",[extended,
                                                                                                                                                                                                      trim]))), 
?line <<"ab d">> = iolist_to_binary(join(re:split("ab d","^   a\\ b[c ]d       $",[extended,
                                                                                                                                                                                                        {parts,
                                                                                                                                                                                                         2}]))), 
?line <<"ab d">> = iolist_to_binary(join(re:split("ab d","^   a\\ b[c ]d       $",[extended]))), 
?line <<":abc:bc:c:def:ef:f:hij:ij:j:klm:lm:m">> = iolist_to_binary(join(re:split("abcdefhijklm","^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$",[trim]))), 
?line <<":abc:bc:c:def:ef:f:hij:ij:j:klm:lm:m:">> = iolist_to_binary(join(re:split("abcdefhijklm","^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$",[{parts,
                                                                                                                                                                                                                                                       2}]))), 
?line <<":abc:bc:c:def:ef:f:hij:ij:j:klm:lm:m:">> = iolist_to_binary(join(re:split("abcdefhijklm","^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$",[]))), 
?line <<":bc:c:ef:f:ij:j:lm:m">> = iolist_to_binary(join(re:split("abcdefhijklm","^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$",[trim]))), 
?line <<":bc:c:ef:f:ij:j:lm:m:">> = iolist_to_binary(join(re:split("abcdefhijklm","^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$",[{parts,
                                                                                                                                                                                                                                                                       2}]))), 
?line <<":bc:c:ef:f:ij:j:lm:m:">> = iolist_to_binary(join(re:split("abcdefhijklm","^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a+ Z0+
","^[\\w][\\W][\\s][\\S][\\d][\\D][\\b][\\n][\\c]][\\022]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a+ Z0+
","^[\\w][\\W][\\s][\\S][\\d][\\D][\\b][\\n][\\c]][\\022]",[{parts,
                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a+ Z0+
","^[\\w][\\W][\\s][\\S][\\d][\\D][\\b][\\n][\\c]][\\022]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split(".^$(*+)|{?,?}","^[.^$|()*+?{,}]+",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split(".^$(*+)|{?,?}","^[.^$|()*+?{,}]+",[{parts,
                                                                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split(".^$(*+)|{?,?}","^[.^$|()*+?{,}]+",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("z","^a*\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("z","^a*\\w",[{parts,
                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("z","^a*\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("az","^a*\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("az","^a*\\w",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("az","^a*\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaz","^a*\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaz","^a*\\w",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaz","^a*\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","^a*\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","^a*\\w",[{parts,
                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","^a*\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aa","^a*\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aa","^a*\\w",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aa","^a*\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaa","^a*\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","^a*\\w",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","^a*\\w",[]))), 
?line <<":+">> = iolist_to_binary(join(re:split("a+","^a*\\w",[trim]))), 
?line <<":+">> = iolist_to_binary(join(re:split("a+","^a*\\w",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":+">> = iolist_to_binary(join(re:split("a+","^a*\\w",[]))), 
?line <<":+">> = iolist_to_binary(join(re:split("aa+","^a*\\w",[trim]))), 
?line <<":+">> = iolist_to_binary(join(re:split("aa+","^a*\\w",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":+">> = iolist_to_binary(join(re:split("aa+","^a*\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("z","^a*?\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("z","^a*?\\w",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("z","^a*?\\w",[]))), 
?line <<":z">> = iolist_to_binary(join(re:split("az","^a*?\\w",[trim]))), 
?line <<":z">> = iolist_to_binary(join(re:split("az","^a*?\\w",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":z">> = iolist_to_binary(join(re:split("az","^a*?\\w",[]))), 
?line <<":aaz">> = iolist_to_binary(join(re:split("aaaz","^a*?\\w",[trim]))), 
?line <<":aaz">> = iolist_to_binary(join(re:split("aaaz","^a*?\\w",[{parts,
                                                                                                                                                                         2}]))), 
?line <<":aaz">> = iolist_to_binary(join(re:split("aaaz","^a*?\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","^a*?\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","^a*?\\w",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","^a*?\\w",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aa","^a*?\\w",[trim]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aa","^a*?\\w",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aa","^a*?\\w",[]))), 
?line <<":aaa">> = iolist_to_binary(join(re:split("aaaa","^a*?\\w",[trim]))), 
?line <<":aaa">> = iolist_to_binary(join(re:split("aaaa","^a*?\\w",[{parts,
                                                                                                                                                                         2}]))), 
?line <<":aaa">> = iolist_to_binary(join(re:split("aaaa","^a*?\\w",[]))), 
?line <<":+">> = iolist_to_binary(join(re:split("a+","^a*?\\w",[trim]))), 
?line <<":+">> = iolist_to_binary(join(re:split("a+","^a*?\\w",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":+">> = iolist_to_binary(join(re:split("a+","^a*?\\w",[]))), 
?line <<":a+">> = iolist_to_binary(join(re:split("aa+","^a*?\\w",[trim]))), 
?line <<":a+">> = iolist_to_binary(join(re:split("aa+","^a*?\\w",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":a+">> = iolist_to_binary(join(re:split("aa+","^a*?\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("az","^a+\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("az","^a+\\w",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("az","^a+\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaz","^a+\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaz","^a+\\w",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaz","^a+\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aa","^a+\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aa","^a+\\w",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aa","^a+\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaa","^a+\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","^a+\\w",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","^a+\\w",[]))), 
?line <<":+">> = iolist_to_binary(join(re:split("aa+","^a+\\w",[trim]))), 
?line <<":+">> = iolist_to_binary(join(re:split("aa+","^a+\\w",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":+">> = iolist_to_binary(join(re:split("aa+","^a+\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("az","^a+?\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("az","^a+?\\w",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("az","^a+?\\w",[]))), 
?line <<":az">> = iolist_to_binary(join(re:split("aaaz","^a+?\\w",[trim]))), 
?line <<":az">> = iolist_to_binary(join(re:split("aaaz","^a+?\\w",[{parts,
                                                                                                                                                                         2}]))), 
?line <<":az">> = iolist_to_binary(join(re:split("aaaz","^a+?\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aa","^a+?\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aa","^a+?\\w",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aa","^a+?\\w",[]))), 
?line <<":aa">> = iolist_to_binary(join(re:split("aaaa","^a+?\\w",[trim]))), 
?line <<":aa">> = iolist_to_binary(join(re:split("aaaa","^a+?\\w",[{parts,
                                                                                                                                                                         2}]))), 
?line <<":aa">> = iolist_to_binary(join(re:split("aaaa","^a+?\\w",[]))), 
?line <<":+">> = iolist_to_binary(join(re:split("aa+","^a+?\\w",[trim]))), 
?line <<":+">> = iolist_to_binary(join(re:split("aa+","^a+?\\w",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":+">> = iolist_to_binary(join(re:split("aa+","^a+?\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("1234567890","^\\d{8}\\w{2,}",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("1234567890","^\\d{8}\\w{2,}",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("1234567890","^\\d{8}\\w{2,}",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("12345678ab","^\\d{8}\\w{2,}",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("12345678ab","^\\d{8}\\w{2,}",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("12345678ab","^\\d{8}\\w{2,}",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("12345678__","^\\d{8}\\w{2,}",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("12345678__","^\\d{8}\\w{2,}",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("12345678__","^\\d{8}\\w{2,}",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\d{8}\\w{2,}",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\d{8}\\w{2,}",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\d{8}\\w{2,}",[]))), 
?line <<"1234567">> = iolist_to_binary(join(re:split("1234567","^\\d{8}\\w{2,}",[trim]))), 
?line <<"1234567">> = iolist_to_binary(join(re:split("1234567","^\\d{8}\\w{2,}",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"1234567">> = iolist_to_binary(join(re:split("1234567","^\\d{8}\\w{2,}",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("uoie","^[aeiou\\d]{4,5}$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("uoie","^[aeiou\\d]{4,5}$",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("uoie","^[aeiou\\d]{4,5}$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("1234","^[aeiou\\d]{4,5}$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("1234","^[aeiou\\d]{4,5}$",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("1234","^[aeiou\\d]{4,5}$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("12345","^[aeiou\\d]{4,5}$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("12345","^[aeiou\\d]{4,5}$",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("12345","^[aeiou\\d]{4,5}$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaaa","^[aeiou\\d]{4,5}$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaaa","^[aeiou\\d]{4,5}$",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaaa","^[aeiou\\d]{4,5}$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[aeiou\\d]{4,5}$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[aeiou\\d]{4,5}$",[{parts,
                                                                                                                                                                                                            2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[aeiou\\d]{4,5}$",[]))), 
?line <<"123456">> = iolist_to_binary(join(re:split("123456","^[aeiou\\d]{4,5}$",[trim]))), 
?line <<"123456">> = iolist_to_binary(join(re:split("123456","^[aeiou\\d]{4,5}$",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"123456">> = iolist_to_binary(join(re:split("123456","^[aeiou\\d]{4,5}$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("uoie","^[aeiou\\d]{4,5}?",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("uoie","^[aeiou\\d]{4,5}?",[{parts,
                                                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("uoie","^[aeiou\\d]{4,5}?",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("1234","^[aeiou\\d]{4,5}?",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("1234","^[aeiou\\d]{4,5}?",[{parts,
                                                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("1234","^[aeiou\\d]{4,5}?",[]))), 
?line <<":5">> = iolist_to_binary(join(re:split("12345","^[aeiou\\d]{4,5}?",[trim]))), 
?line <<":5">> = iolist_to_binary(join(re:split("12345","^[aeiou\\d]{4,5}?",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<":5">> = iolist_to_binary(join(re:split("12345","^[aeiou\\d]{4,5}?",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaaa","^[aeiou\\d]{4,5}?",[trim]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaaa","^[aeiou\\d]{4,5}?",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaaa","^[aeiou\\d]{4,5}?",[]))), 
?line <<":56">> = iolist_to_binary(join(re:split("123456","^[aeiou\\d]{4,5}?",[trim]))), 
?line <<":56">> = iolist_to_binary(join(re:split("123456","^[aeiou\\d]{4,5}?",[{parts,
                                                                                                                                                                                                 2}]))), 
?line <<":56">> = iolist_to_binary(join(re:split("123456","^[aeiou\\d]{4,5}?",[]))), 
?line <<":abc:abc">> = iolist_to_binary(join(re:split("abc=abcabc","\\A(abc|def)=(\\1){2,3}\\Z",[trim]))), 
?line <<":abc:abc:">> = iolist_to_binary(join(re:split("abc=abcabc","\\A(abc|def)=(\\1){2,3}\\Z",[{parts,
                                                                                                                                                                                                                             2}]))), 
?line <<":abc:abc:">> = iolist_to_binary(join(re:split("abc=abcabc","\\A(abc|def)=(\\1){2,3}\\Z",[]))), 
?line <<":def:def">> = iolist_to_binary(join(re:split("def=defdefdef","\\A(abc|def)=(\\1){2,3}\\Z",[trim]))), 
?line <<":def:def:">> = iolist_to_binary(join(re:split("def=defdefdef","\\A(abc|def)=(\\1){2,3}\\Z",[{parts,
                                                                                                                                                                                                                                   2}]))), 
?line <<":def:def:">> = iolist_to_binary(join(re:split("def=defdefdef","\\A(abc|def)=(\\1){2,3}\\Z",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\A(abc|def)=(\\1){2,3}\\Z",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\A(abc|def)=(\\1){2,3}\\Z",[{parts,
                                                                                                                                                                                                                               2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\A(abc|def)=(\\1){2,3}\\Z",[]))), 
?line <<"abc=defdef">> = iolist_to_binary(join(re:split("abc=defdef","\\A(abc|def)=(\\1){2,3}\\Z",[trim]))), 
?line <<"abc=defdef">> = iolist_to_binary(join(re:split("abc=defdef","\\A(abc|def)=(\\1){2,3}\\Z",[{parts,
                                                                                                                                                                                                                             2}]))), 
?line <<"abc=defdef">> = iolist_to_binary(join(re:split("abc=defdef","\\A(abc|def)=(\\1){2,3}\\Z",[]))), 
?line <<":a:b:c:d:e:f:g:h:i:j:k:cd">> = iolist_to_binary(join(re:split("abcdefghijkcda2","^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\\11*(\\3\\4)\\1(?#)2$",[trim]))), 
?line <<":a:b:c:d:e:f:g:h:i:j:k:cd:">> = iolist_to_binary(join(re:split("abcdefghijkcda2","^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\\11*(\\3\\4)\\1(?#)2$",[{parts,
                                                                                                                                                                                                                                                                                                     2}]))), 
?line <<":a:b:c:d:e:f:g:h:i:j:k:cd:">> = iolist_to_binary(join(re:split("abcdefghijkcda2","^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\\11*(\\3\\4)\\1(?#)2$",[]))), 
?line <<":a:b:c:d:e:f:g:h:i:j:k:cd">> = iolist_to_binary(join(re:split("abcdefghijkkkkcda2","^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\\11*(\\3\\4)\\1(?#)2$",[trim]))), 
?line <<":a:b:c:d:e:f:g:h:i:j:k:cd:">> = iolist_to_binary(join(re:split("abcdefghijkkkkcda2","^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\\11*(\\3\\4)\\1(?#)2$",[{parts,
                                                                                                                                                                                                                                                                                                           2}]))), 
?line <<":a:b:c:d:e:f:g:h:i:j:k:cd:">> = iolist_to_binary(join(re:split("abcdefghijkkkkcda2","^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\\11*(\\3\\4)\\1(?#)2$",[]))), 
?line <<":cataract:aract:ract::3">> = iolist_to_binary(join(re:split("cataract cataract23","(cat(a(ract|tonic)|erpillar)) \\1()2(3)",[trim]))), 
?line <<":cataract:aract:ract::3:">> = iolist_to_binary(join(re:split("cataract cataract23","(cat(a(ract|tonic)|erpillar)) \\1()2(3)",[{parts,
                                                                                                                                                                                                                                                                       2}]))), 
?line <<":cataract:aract:ract::3:">> = iolist_to_binary(join(re:split("cataract cataract23","(cat(a(ract|tonic)|erpillar)) \\1()2(3)",[]))), 
?line <<":catatonic:atonic:tonic::3">> = iolist_to_binary(join(re:split("catatonic catatonic23","(cat(a(ract|tonic)|erpillar)) \\1()2(3)",[trim]))), 
?line <<":catatonic:atonic:tonic::3:">> = iolist_to_binary(join(re:split("catatonic catatonic23","(cat(a(ract|tonic)|erpillar)) \\1()2(3)",[{parts,
                                                                                                                                                                                                                                                                           2}]))), 
?line <<":catatonic:atonic:tonic::3:">> = iolist_to_binary(join(re:split("catatonic catatonic23","(cat(a(ract|tonic)|erpillar)) \\1()2(3)",[]))), 
?line <<":caterpillar:erpillar:::3">> = iolist_to_binary(join(re:split("caterpillar caterpillar23","(cat(a(ract|tonic)|erpillar)) \\1()2(3)",[trim]))), 
?line <<":caterpillar:erpillar:::3:">> = iolist_to_binary(join(re:split("caterpillar caterpillar23","(cat(a(ract|tonic)|erpillar)) \\1()2(3)",[{parts,
                                                                                                                                                                                                                                                                                   2}]))), 
?line <<":caterpillar:erpillar:::3:">> = iolist_to_binary(join(re:split("caterpillar caterpillar23","(cat(a(ract|tonic)|erpillar)) \\1()2(3)",[]))), 
?line <<":abcd::02 1997">> = iolist_to_binary(join(re:split("From abcd  Mon Sep 01 12:33:02 1997","^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]",[trim]))), 
?line <<":abcd::02 1997">> = iolist_to_binary(join(re:split("From abcd  Mon Sep 01 12:33:02 1997","^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]",[{parts,
                                                                                                                                                                                                                                                                                                                                                                                                                                    2}]))), 
?line <<":abcd::02 1997">> = iolist_to_binary(join(re:split("From abcd  Mon Sep 01 12:33:02 1997","^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]",[]))), 
?line <<":Sep ::02 1997">> = iolist_to_binary(join(re:split("From abcd  Mon Sep 01 12:33:02 1997","^From\\s+\\S+\\s+([a-zA-Z]{3}\\s+){2}\\d{1,2}\\s+\\d\\d:\\d\\d",[trim]))), 
?line <<":Sep ::02 1997">> = iolist_to_binary(join(re:split("From abcd  Mon Sep 01 12:33:02 1997","^From\\s+\\S+\\s+([a-zA-Z]{3}\\s+){2}\\d{1,2}\\s+\\d\\d:\\d\\d",[{parts,
                                                                                                                                                                                                                                                                                                                                                              2}]))), 
?line <<":Sep ::02 1997">> = iolist_to_binary(join(re:split("From abcd  Mon Sep 01 12:33:02 1997","^From\\s+\\S+\\s+([a-zA-Z]{3}\\s+){2}\\d{1,2}\\s+\\d\\d:\\d\\d",[]))), 
?line <<":Sep  ::02 1997">> = iolist_to_binary(join(re:split("From abcd  Mon Sep  1 12:33:02 1997","^From\\s+\\S+\\s+([a-zA-Z]{3}\\s+){2}\\d{1,2}\\s+\\d\\d:\\d\\d",[trim]))), 
?line <<":Sep  ::02 1997">> = iolist_to_binary(join(re:split("From abcd  Mon Sep  1 12:33:02 1997","^From\\s+\\S+\\s+([a-zA-Z]{3}\\s+){2}\\d{1,2}\\s+\\d\\d:\\d\\d",[{parts,
                                                                                                                                                                                                                                                                                                                                                              2}]))), 
?line <<":Sep  ::02 1997">> = iolist_to_binary(join(re:split("From abcd  Mon Sep  1 12:33:02 1997","^From\\s+\\S+\\s+([a-zA-Z]{3}\\s+){2}\\d{1,2}\\s+\\d\\d:\\d\\d",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^From\\s+\\S+\\s+([a-zA-Z]{3}\\s+){2}\\d{1,2}\\s+\\d\\d:\\d\\d",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^From\\s+\\S+\\s+([a-zA-Z]{3}\\s+){2}\\d{1,2}\\s+\\d\\d:\\d\\d",[{parts,
                                                                                                                                                                                                                                                                                                              2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^From\\s+\\S+\\s+([a-zA-Z]{3}\\s+){2}\\d{1,2}\\s+\\d\\d:\\d\\d",[]))), 
?line <<"From abcd  Sep 01 12:33:02 1997">> = iolist_to_binary(join(re:split("From abcd  Sep 01 12:33:02 1997","^From\\s+\\S+\\s+([a-zA-Z]{3}\\s+){2}\\d{1,2}\\s+\\d\\d:\\d\\d",[trim]))), 
?line <<"From abcd  Sep 01 12:33:02 1997">> = iolist_to_binary(join(re:split("From abcd  Sep 01 12:33:02 1997","^From\\s+\\S+\\s+([a-zA-Z]{3}\\s+){2}\\d{1,2}\\s+\\d\\d:\\d\\d",[{parts,
                                                                                                                                                                                                                                                                                                                                                      2}]))), 
?line <<"From abcd  Sep 01 12:33:02 1997">> = iolist_to_binary(join(re:split("From abcd  Sep 01 12:33:02 1997","^From\\s+\\S+\\s+([a-zA-Z]{3}\\s+){2}\\d{1,2}\\s+\\d\\d:\\d\\d",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("12
34","^12.34",[dotall,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("12
34","^12.34",[dotall,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("12
34","^12.34",[dotall]))), 
?line <<"">> = iolist_to_binary(join(re:split("12
34","^12.34",[dotall,
                                                                                                                                                                      trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("12
34","^12.34",[dotall,
                                                                                                                                                                        {parts,
                                                                                                                                                                         2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("12
34","^12.34",[dotall]))), 
?line <<"the quick :	 fox">> = iolist_to_binary(join(re:split("the quick brown	 fox","\\w+(?=\\t)",[trim]))), 
?line <<"the quick :	 fox">> = iolist_to_binary(join(re:split("the quick brown	 fox","\\w+(?=\\t)",[{parts,
                                                                                                                                                                                                                             2}]))), 
?line <<"the quick :	 fox">> = iolist_to_binary(join(re:split("the quick brown	 fox","\\w+(?=\\t)",[]))), 
?line <<"foobar is :lish see?">> = iolist_to_binary(join(re:split("foobar is foolish see?","foo(?!bar)(.*)",[trim]))), 
?line <<"foobar is :lish see?:">> = iolist_to_binary(join(re:split("foobar is foolish see?","foo(?!bar)(.*)",[{parts,
                                                                                                                                                                                                                          2}]))), 
?line <<"foobar is :lish see?:">> = iolist_to_binary(join(re:split("foobar is foolish see?","foo(?!bar)(.*)",[]))), 
?line <<"foobar c: etc">> = iolist_to_binary(join(re:split("foobar crowbar etc","(?:(?!foo)...|^.{0,2})bar(.*)",[trim]))), 
?line <<"foobar c: etc:">> = iolist_to_binary(join(re:split("foobar crowbar etc","(?:(?!foo)...|^.{0,2})bar(.*)",[{parts,
                                                                                                                                                                                                                                                2}]))), 
?line <<"foobar c: etc:">> = iolist_to_binary(join(re:split("foobar crowbar etc","(?:(?!foo)...|^.{0,2})bar(.*)",[]))), 
?line <<":rel">> = iolist_to_binary(join(re:split("barrel","(?:(?!foo)...|^.{0,2})bar(.*)",[trim]))), 
?line <<":rel:">> = iolist_to_binary(join(re:split("barrel","(?:(?!foo)...|^.{0,2})bar(.*)",[{parts,
                                                                                                                                                                                                                        2}]))), 
?line <<":rel:">> = iolist_to_binary(join(re:split("barrel","(?:(?!foo)...|^.{0,2})bar(.*)",[]))), 
?line <<":rel">> = iolist_to_binary(join(re:split("2barrel","(?:(?!foo)...|^.{0,2})bar(.*)",[trim]))), 
?line <<":rel:">> = iolist_to_binary(join(re:split("2barrel","(?:(?!foo)...|^.{0,2})bar(.*)",[{parts,
                                                                                                                                                                                                                          2}]))), 
?line <<":rel:">> = iolist_to_binary(join(re:split("2barrel","(?:(?!foo)...|^.{0,2})bar(.*)",[]))), 
?line <<":rel">> = iolist_to_binary(join(re:split("A barrel","(?:(?!foo)...|^.{0,2})bar(.*)",[trim]))), 
?line <<":rel:">> = iolist_to_binary(join(re:split("A barrel","(?:(?!foo)...|^.{0,2})bar(.*)",[{parts,
                                                                                                                                                                                                                            2}]))), 
?line <<":rel:">> = iolist_to_binary(join(re:split("A barrel","(?:(?!foo)...|^.{0,2})bar(.*)",[]))), 
?line <<":abc:456">> = iolist_to_binary(join(re:split("abc456","^(\\D*)(?=\\d)(?!123)",[trim]))), 
?line <<":abc:456">> = iolist_to_binary(join(re:split("abc456","^(\\D*)(?=\\d)(?!123)",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<":abc:456">> = iolist_to_binary(join(re:split("abc456","^(\\D*)(?=\\d)(?!123)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\D*)(?=\\d)(?!123)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\D*)(?=\\d)(?!123)",[{parts,
                                                                                                                                                                                                                    2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\D*)(?=\\d)(?!123)",[]))), 
?line <<"abc123">> = iolist_to_binary(join(re:split("abc123","^(\\D*)(?=\\d)(?!123)",[trim]))), 
?line <<"abc123">> = iolist_to_binary(join(re:split("abc123","^(\\D*)(?=\\d)(?!123)",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<"abc123">> = iolist_to_binary(join(re:split("abc123","^(\\D*)(?=\\d)(?!123)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("1234","^1234(?# test newlines
  inside)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("1234","^1234(?# test newlines
  inside)",[{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("1234","^1234(?# test newlines
  inside)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("1234","^1234 #comment in extended re
  ",[extended,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("1234","^1234 #comment in extended re
  ",[extended,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("1234","^1234 #comment in extended re
  ",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcd","#rhubarb
  abcd",[extended,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcd","#rhubarb
  abcd",[extended,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcd","#rhubarb
  abcd",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcd","^abcd#rhubarb",[extended,
                                                                                                                                                                                  trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcd","^abcd#rhubarb",[extended,
                                                                                                                                                                                    {parts,
                                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcd","^abcd#rhubarb",[extended]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aaab","^(a)\\1{2,3}(.)",[trim]))), 
?line <<":a:b:">> = iolist_to_binary(join(re:split("aaab","^(a)\\1{2,3}(.)",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<":a:b:">> = iolist_to_binary(join(re:split("aaab","^(a)\\1{2,3}(.)",[]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aaaab","^(a)\\1{2,3}(.)",[trim]))), 
?line <<":a:b:">> = iolist_to_binary(join(re:split("aaaab","^(a)\\1{2,3}(.)",[{parts,
                                                                                                                                                                                           2}]))), 
?line <<":a:b:">> = iolist_to_binary(join(re:split("aaaab","^(a)\\1{2,3}(.)",[]))), 
?line <<":a:a:b">> = iolist_to_binary(join(re:split("aaaaab","^(a)\\1{2,3}(.)",[trim]))), 
?line <<":a:a:b">> = iolist_to_binary(join(re:split("aaaaab","^(a)\\1{2,3}(.)",[{parts,
                                                                                                                                                                                             2}]))), 
?line <<":a:a:b">> = iolist_to_binary(join(re:split("aaaaab","^(a)\\1{2,3}(.)",[]))), 
?line <<":a:a:ab">> = iolist_to_binary(join(re:split("aaaaaab","^(a)\\1{2,3}(.)",[trim]))), 
?line <<":a:a:ab">> = iolist_to_binary(join(re:split("aaaaaab","^(a)\\1{2,3}(.)",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<":a:a:ab">> = iolist_to_binary(join(re:split("aaaaaab","^(a)\\1{2,3}(.)",[]))), 
?line <<"the ">> = iolist_to_binary(join(re:split("the abc","(?!^)abc",[trim]))), 
?line <<"the :">> = iolist_to_binary(join(re:split("the abc","(?!^)abc",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"the :">> = iolist_to_binary(join(re:split("the abc","(?!^)abc",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?!^)abc",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?!^)abc",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?!^)abc",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(?!^)abc",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(?!^)abc",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(?!^)abc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","(?=^)abc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","(?=^)abc",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","(?=^)abc",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?=^)abc",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?=^)abc",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?=^)abc",[]))), 
?line <<"the abc">> = iolist_to_binary(join(re:split("the abc","(?=^)abc",[trim]))), 
?line <<"the abc">> = iolist_to_binary(join(re:split("the abc","(?=^)abc",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"the abc">> = iolist_to_binary(join(re:split("the abc","(?=^)abc",[]))), 
?line <<":b:bbb">> = iolist_to_binary(join(re:split("aabbbbb","^[ab]{1,3}(ab*|b)",[trim]))), 
?line <<":b:bbb">> = iolist_to_binary(join(re:split("aabbbbb","^[ab]{1,3}(ab*|b)",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<":b:bbb">> = iolist_to_binary(join(re:split("aabbbbb","^[ab]{1,3}(ab*|b)",[]))), 
?line <<":abbbbb">> = iolist_to_binary(join(re:split("aabbbbb","^[ab]{1,3}?(ab*|b)",[trim]))), 
?line <<":abbbbb:">> = iolist_to_binary(join(re:split("aabbbbb","^[ab]{1,3}?(ab*|b)",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<":abbbbb:">> = iolist_to_binary(join(re:split("aabbbbb","^[ab]{1,3}?(ab*|b)",[]))), 
?line <<":a:bbbbb">> = iolist_to_binary(join(re:split("aabbbbb","^[ab]{1,3}?(ab*?|b)",[trim]))), 
?line <<":a:bbbbb">> = iolist_to_binary(join(re:split("aabbbbb","^[ab]{1,3}?(ab*?|b)",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":a:bbbbb">> = iolist_to_binary(join(re:split("aabbbbb","^[ab]{1,3}?(ab*?|b)",[]))), 
?line <<":b:bbb">> = iolist_to_binary(join(re:split("aabbbbb","^[ab]{1,3}(ab*?|b)",[trim]))), 
?line <<":b:bbb">> = iolist_to_binary(join(re:split("aabbbbb","^[ab]{1,3}(ab*?|b)",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<":b:bbb">> = iolist_to_binary(join(re:split("aabbbbb","^[ab]{1,3}(ab*?|b)",[]))), 
?line <<"Alan Other <user.ain>">> = iolist_to_binary(join(re:split("Alan Other <user.ain>","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,trim]))), 
?line <<"Alan Other <user.ain>">> = iolist_to_binary(join(re:split("Alan Other <user.ain>","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,
                                                               {parts,2}]))), 
?line <<"Alan Other <user.ain>">> = iolist_to_binary(join(re:split("Alan Other <user.ain>","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended]))), 
?line <<"<user.ain>">> = iolist_to_binary(join(re:split("<user.ain>","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,trim]))), 
?line <<"<user.ain>">> = iolist_to_binary(join(re:split("<user.ain>","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,
                                                               {parts,2}]))), 
?line <<"<user.ain>">> = iolist_to_binary(join(re:split("<user.ain>","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended]))), 
?line <<"user.ain">> = iolist_to_binary(join(re:split("user.ain","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,trim]))), 
?line <<"user.ain">> = iolist_to_binary(join(re:split("user.ain","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,
                                                               {parts,2}]))), 
?line <<"user.ain">> = iolist_to_binary(join(re:split("user.ain","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended]))), 
?line <<"\"A. Other\" <user.1234.ain> (a comment)">> = iolist_to_binary(join(re:split("\"A. Other\" <user.1234.ain> (a comment)","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,trim]))), 
?line <<"\"A. Other\" <user.1234.ain> (a comment)">> = iolist_to_binary(join(re:split("\"A. Other\" <user.1234.ain> (a comment)","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,
                                                               {parts,2}]))), 
?line <<"\"A. Other\" <user.1234.ain> (a comment)">> = iolist_to_binary(join(re:split("\"A. Other\" <user.1234.ain> (a comment)","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended]))), 
?line <<"A. Other <user.1234.ain> (a comment)">> = iolist_to_binary(join(re:split("A. Other <user.1234.ain> (a comment)","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,trim]))), 
?line <<"A. Other <user.1234.ain> (a comment)">> = iolist_to_binary(join(re:split("A. Other <user.1234.ain> (a comment)","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,
                                                               {parts,2}]))), 
?line <<"A. Other <user.1234.ain> (a comment)">> = iolist_to_binary(join(re:split("A. Other <user.1234.ain> (a comment)","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended]))), 
?line <<"\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"-re.lay">> = iolist_to_binary(join(re:split("\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"-re.lay","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,trim]))), 
?line <<"\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"-re.lay">> = iolist_to_binary(join(re:split("\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"-re.lay","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,
                                                               {parts,2}]))), 
?line <<"\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"-re.lay">> = iolist_to_binary(join(re:split("\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"-re.lay","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended]))), 
?line <<"A missing angle <user.where">> = iolist_to_binary(join(re:split("A missing angle <user.where","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,trim]))), 
?line <<"A missing angle <user.where">> = iolist_to_binary(join(re:split("A missing angle <user.where","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,
                                                               {parts,2}]))), 
?line <<"A missing angle <user.where">> = iolist_to_binary(join(re:split("A missing angle <user.where","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,
                                                               {parts,2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended]))), 
?line <<"The quick brown fox">> = iolist_to_binary(join(re:split("The quick brown fox","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,trim]))), 
?line <<"The quick brown fox">> = iolist_to_binary(join(re:split("The quick brown fox","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended,
                                                               {parts,2}]))), 
?line <<"The quick brown fox">> = iolist_to_binary(join(re:split("The quick brown fox","  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                          # optional leading comment
(?:    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
# address
|                     #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)             # one word, optionally followed by....
(?:
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]  |  # atom and space parts, or...
\\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)       |  # comments, or...

\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
# quoted strings
)*
<  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                     # leading <
(?:  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*

(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  ,  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
)* # further okay, if led by comma
:                                # closing colon
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  )? #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)                    # initial word
(?:  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\" (?:                      # opening quote...
[^\\\\\\x80-\\xff\\n\\015\"]                #   Anything except backslash and quote
|                     #    or
\\\\ [^\\x80-\\xff]           #   Escaped something (something != CR)
)* \"  # closing quote
)  )* # further okay, if led by a period
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  @  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*    (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                           # initial subdomain
(?:                                  #
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  \\.                        # if led by a period...
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*   (?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|   \\[                         # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*    #    stuff
\\]                        #           ]
)                     #   ...further okay
)*
#       address spec
(?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*  > #                  trailing >
# name and address
)  (?: [\\040\\t] |  \\(
(?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  |  \\( (?:  [^\\\\\\x80-\\xff\\n\\015()]  |  \\\\ [^\\x80-\\xff]  )* \\)  )*
\\)  )*                       # optional trailing comment",[extended]))), 
?line <<"Alan Other <user.ain>">> = iolist_to_binary(join(re:split("Alan Other <user.ain>","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,trim]))), 
?line <<"Alan Other <user.ain>">> = iolist_to_binary(join(re:split("Alan Other <user.ain>","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,{parts,2}]))), 
?line <<"Alan Other <user.ain>">> = iolist_to_binary(join(re:split("Alan Other <user.ain>","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended]))), 
?line <<"<user.ain>">> = iolist_to_binary(join(re:split("<user.ain>","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,trim]))), 
?line <<"<user.ain>">> = iolist_to_binary(join(re:split("<user.ain>","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,{parts,2}]))), 
?line <<"<user.ain>">> = iolist_to_binary(join(re:split("<user.ain>","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended]))), 
?line <<"user.ain">> = iolist_to_binary(join(re:split("user.ain","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,trim]))), 
?line <<"user.ain">> = iolist_to_binary(join(re:split("user.ain","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,{parts,2}]))), 
?line <<"user.ain">> = iolist_to_binary(join(re:split("user.ain","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended]))), 
?line <<"\"A. Other\" <user.1234.ain> (a comment)">> = iolist_to_binary(join(re:split("\"A. Other\" <user.1234.ain> (a comment)","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,trim]))), 
?line <<"\"A. Other\" <user.1234.ain> (a comment)">> = iolist_to_binary(join(re:split("\"A. Other\" <user.1234.ain> (a comment)","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,{parts,2}]))), 
?line <<"\"A. Other\" <user.1234.ain> (a comment)">> = iolist_to_binary(join(re:split("\"A. Other\" <user.1234.ain> (a comment)","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended]))), 
?line <<"A. Other <user.1234.ain> (a comment)">> = iolist_to_binary(join(re:split("A. Other <user.1234.ain> (a comment)","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,trim]))), 
?line <<"A. Other <user.1234.ain> (a comment)">> = iolist_to_binary(join(re:split("A. Other <user.1234.ain> (a comment)","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,{parts,2}]))), 
?line <<"A. Other <user.1234.ain> (a comment)">> = iolist_to_binary(join(re:split("A. Other <user.1234.ain> (a comment)","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended]))), 
?line <<"\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"-re.lay">> = iolist_to_binary(join(re:split("\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"-re.lay","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,trim]))), 
?line <<"\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"-re.lay">> = iolist_to_binary(join(re:split("\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"-re.lay","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,{parts,2}]))), 
?line <<"\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"-re.lay">> = iolist_to_binary(join(re:split("\"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"-re.lay","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended]))), 
?line <<"A missing angle <user.where">> = iolist_to_binary(join(re:split("A missing angle <user.where","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,trim]))), 
?line <<"A missing angle <user.where">> = iolist_to_binary(join(re:split("A missing angle <user.where","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,{parts,2}]))), 
?line <<"A missing angle <user.where">> = iolist_to_binary(join(re:split("A missing angle <user.where","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,{parts,2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended]))), 
?line <<"The quick brown fox">> = iolist_to_binary(join(re:split("The quick brown fox","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,trim]))), 
?line <<"The quick brown fox">> = iolist_to_binary(join(re:split("The quick brown fox","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended,{parts,2}]))), 
?line <<"The quick brown fox">> = iolist_to_binary(join(re:split("The quick brown fox","[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional leading comment
(?:
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
# address
|                             #  or
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
# leading word
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *               # \"normal\" atoms and or spaces
(?:
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
|
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
) # \"special\" comment or quoted string
[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037] *            #  more \"normal\"
)*
<
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# <
(?:
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
(?: ,
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
)*  # additional domains
:
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)?     #       optional route
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
# Atom
|                       #  or
\"                                     # \"
[^\\\\\\x80-\\xff\\n\\015\"] *                            #   normal
(?:  \\\\ [^\\x80-\\xff]  [^\\\\\\x80-\\xff\\n\\015\"] * )*        #   ( special normal* )*
\"                                     #        \"
# Quoted string
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# additional words
)*
@
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
(?:
\\.
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
(?:
[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+    # some number of atom characters...
(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]) # ..not followed by something that could be part of an atom
|
\\[                            # [
(?: [^\\\\\\x80-\\xff\\n\\015\\[\\]] |  \\\\ [^\\x80-\\xff]  )*     #    stuff
\\]                           #           ]
)
[\\040\\t]*                    # Nab whitespace.
(?:
\\(                              #  (
[^\\\\\\x80-\\xff\\n\\015()] *                             #     normal*
(?:                                 #       (
(?:  \\\\ [^\\x80-\\xff]  |
\\(                            #  (
[^\\\\\\x80-\\xff\\n\\015()] *                            #     normal*
(?:  \\\\ [^\\x80-\\xff]   [^\\\\\\x80-\\xff\\n\\015()] * )*        #     (special normal*)*
\\)                           #                       )
)    #         special
[^\\\\\\x80-\\xff\\n\\015()] *                         #         normal*
)*                                  #            )*
\\)                             #                )
[\\040\\t]* )*    # If comment found, allow more spaces.
# optional trailing comments
)*
#       address spec
>                    #                 >
# name and address
)",[extended]))), 
?line <<"abcdefpqrxyz0AB">> = iolist_to_binary(join(re:split("abcdefpqrxyz0AB","abc\\0def\\00pqr\\000xyz\\0000AB",[trim]))), 
?line <<"abcdefpqrxyz0AB">> = iolist_to_binary(join(re:split("abcdefpqrxyz0AB","abc\\0def\\00pqr\\000xyz\\0000AB",[{parts,
                                                                                                                                                                                                                                                            2}]))), 
?line <<"abcdefpqrxyz0AB">> = iolist_to_binary(join(re:split("abcdefpqrxyz0AB","abc\\0def\\00pqr\\000xyz\\0000AB",[]))), 
?line <<"abc456 abcdefpqrxyz0ABCDE">> = iolist_to_binary(join(re:split("abc456 abcdefpqrxyz0ABCDE","abc\\0def\\00pqr\\000xyz\\0000AB",[trim]))), 
?line <<"abc456 abcdefpqrxyz0ABCDE">> = iolist_to_binary(join(re:split("abc456 abcdefpqrxyz0ABCDE","abc\\0def\\00pqr\\000xyz\\0000AB",[{parts,
                                                                                                                                                                                                                                                                                2}]))), 
?line <<"abc456 abcdefpqrxyz0ABCDE">> = iolist_to_binary(join(re:split("abc456 abcdefpqrxyz0ABCDE","abc\\0def\\00pqr\\000xyz\\0000AB",[]))), 
?line <<"abc
efpqr0xyz00AB">> = iolist_to_binary(join(re:split("abc
efpqr0xyz00AB","abc\\x0def\\x00pqr\\x000xyz\\x0000AB",[trim]))), 
?line <<"abc
efpqr0xyz00AB">> = iolist_to_binary(join(re:split("abc
efpqr0xyz00AB","abc\\x0def\\x00pqr\\x000xyz\\x0000AB",[{parts,
                                                                                                                                                                                                                                                                      2}]))), 
?line <<"abc
efpqr0xyz00AB">> = iolist_to_binary(join(re:split("abc
efpqr0xyz00AB","abc\\x0def\\x00pqr\\x000xyz\\x0000AB",[]))), 
?line <<"abc456 abc
efpqr0xyz00ABCDE">> = iolist_to_binary(join(re:split("abc456 abc
efpqr0xyz00ABCDE","abc\\x0def\\x00pqr\\x000xyz\\x0000AB",[trim]))), 
?line <<"abc456 abc
efpqr0xyz00ABCDE">> = iolist_to_binary(join(re:split("abc456 abc
efpqr0xyz00ABCDE","abc\\x0def\\x00pqr\\x000xyz\\x0000AB",[{parts,
                                                                                                                                                                                                                                                                                          2}]))), 
?line <<"abc456 abc
efpqr0xyz00ABCDE">> = iolist_to_binary(join(re:split("abc456 abc
efpqr0xyz00ABCDE","abc\\x0def\\x00pqr\\x000xyz\\x0000AB",[]))), 
?line <<"A">> = iolist_to_binary(join(re:split("A","^[\\000-\\037]",[trim]))), 
?line <<"A">> = iolist_to_binary(join(re:split("A","^[\\000-\\037]",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"A">> = iolist_to_binary(join(re:split("A","^[\\000-\\037]",[]))), 
?line <<":B">> = iolist_to_binary(join(re:split("
B","^[\\000-\\037]",[trim]))), 
?line <<":B">> = iolist_to_binary(join(re:split("
B","^[\\000-\\037]",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":B">> = iolist_to_binary(join(re:split("
B","^[\\000-\\037]",[]))), 
?line <<":C">> = iolist_to_binary(join(re:split("C","^[\\000-\\037]",[trim]))), 
?line <<":C">> = iolist_to_binary(join(re:split("C","^[\\000-\\037]",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":C">> = iolist_to_binary(join(re:split("C","^[\\000-\\037]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("","\\0*",[trim]))), 
?line <<"">> = iolist_to_binary(join(re:split("","\\0*",[{parts,
                                                                                                                                                                   2}]))), 
?line <<"">> = iolist_to_binary(join(re:split("","\\0*",[]))), 
?line <<"The AZ">> = iolist_to_binary(join(re:split("The AZ","A\\x0{2,3}Z",[trim]))), 
?line <<"The AZ">> = iolist_to_binary(join(re:split("The AZ","A\\x0{2,3}Z",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<"The AZ">> = iolist_to_binary(join(re:split("The AZ","A\\x0{2,3}Z",[]))), 
?line <<"An AZ">> = iolist_to_binary(join(re:split("An AZ","A\\x0{2,3}Z",[trim]))), 
?line <<"An AZ">> = iolist_to_binary(join(re:split("An AZ","A\\x0{2,3}Z",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<"An AZ">> = iolist_to_binary(join(re:split("An AZ","A\\x0{2,3}Z",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","A\\x0{2,3}Z",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","A\\x0{2,3}Z",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","A\\x0{2,3}Z",[]))), 
?line <<"AZ">> = iolist_to_binary(join(re:split("AZ","A\\x0{2,3}Z",[trim]))), 
?line <<"AZ">> = iolist_to_binary(join(re:split("AZ","A\\x0{2,3}Z",[{parts,
                                                                                                                                                                               2}]))), 
?line <<"AZ">> = iolist_to_binary(join(re:split("AZ","A\\x0{2,3}Z",[]))), 
?line <<"AZ">> = iolist_to_binary(join(re:split("AZ","A\\x0{2,3}Z",[trim]))), 
?line <<"AZ">> = iolist_to_binary(join(re:split("AZ","A\\x0{2,3}Z",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<"AZ">> = iolist_to_binary(join(re:split("AZ","A\\x0{2,3}Z",[]))), 
?line <<":cow:bell">> = iolist_to_binary(join(re:split("cowcowbell","^(cow|)\\1(bell)",[trim]))), 
?line <<":cow:bell:">> = iolist_to_binary(join(re:split("cowcowbell","^(cow|)\\1(bell)",[{parts,
                                                                                                                                                                                                       2}]))), 
?line <<":cow:bell:">> = iolist_to_binary(join(re:split("cowcowbell","^(cow|)\\1(bell)",[]))), 
?line <<"::bell">> = iolist_to_binary(join(re:split("bell","^(cow|)\\1(bell)",[trim]))), 
?line <<"::bell:">> = iolist_to_binary(join(re:split("bell","^(cow|)\\1(bell)",[{parts,
                                                                                                                                                                                           2}]))), 
?line <<"::bell:">> = iolist_to_binary(join(re:split("bell","^(cow|)\\1(bell)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(cow|)\\1(bell)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(cow|)\\1(bell)",[{parts,
                                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(cow|)\\1(bell)",[]))), 
?line <<"cowbell">> = iolist_to_binary(join(re:split("cowbell","^(cow|)\\1(bell)",[trim]))), 
?line <<"cowbell">> = iolist_to_binary(join(re:split("cowbell","^(cow|)\\1(bell)",[{parts,
                                                                                                                                                                                                 2}]))), 
?line <<"cowbell">> = iolist_to_binary(join(re:split("cowbell","^(cow|)\\1(bell)",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split(" abc","^\\s",[trim]))), 
?line <<":abc">> = iolist_to_binary(join(re:split(" abc","^\\s",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":abc">> = iolist_to_binary(join(re:split(" abc","^\\s",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abc","^\\s",[trim]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abc","^\\s",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abc","^\\s",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("
abc","^\\s",[trim]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("
abc","^\\s",[{parts,2}]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("
abc","^\\s",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("
abc","^\\s",[trim]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("
abc","^\\s",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("
abc","^\\s",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("	abc","^\\s",[trim]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("	abc","^\\s",[{parts,
                                                                                                                                                                           2}]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("	abc","^\\s",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\s",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\s",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\s",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^\\s",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^\\s",[{parts,
                                                                                                                                                                 2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^\\s",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","^a	b
      c",[extended,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^a	b
      c",[extended,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^a	b
      c",[extended]))), 
?line <<":a">> = iolist_to_binary(join(re:split("ab","^(a|)\\1*b",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("ab","^(a|)\\1*b",[{parts,
                                                                                                                                                                           2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("ab","^(a|)\\1*b",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaab","^(a|)\\1*b",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaab","^(a|)\\1*b",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaab","^(a|)\\1*b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","^(a|)\\1*b",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","^(a|)\\1*b",[{parts,
                                                                                                                                                                         2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","^(a|)\\1*b",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1*b",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1*b",[{parts,
                                                                                                                                                                                             2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1*b",[]))), 
?line <<"acb">> = iolist_to_binary(join(re:split("acb","^(a|)\\1*b",[trim]))), 
?line <<"acb">> = iolist_to_binary(join(re:split("acb","^(a|)\\1*b",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"acb">> = iolist_to_binary(join(re:split("acb","^(a|)\\1*b",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aab","^(a|)\\1+b",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aab","^(a|)\\1+b",[{parts,
                                                                                                                                                                             2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aab","^(a|)\\1+b",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaab","^(a|)\\1+b",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaab","^(a|)\\1+b",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaab","^(a|)\\1+b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","^(a|)\\1+b",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","^(a|)\\1+b",[{parts,
                                                                                                                                                                         2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","^(a|)\\1+b",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1+b",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1+b",[{parts,
                                                                                                                                                                                             2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1+b",[]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","^(a|)\\1+b",[trim]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","^(a|)\\1+b",[{parts,
                                                                                                                                                                           2}]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","^(a|)\\1+b",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("ab","^(a|)\\1?b",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("ab","^(a|)\\1?b",[{parts,
                                                                                                                                                                           2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("ab","^(a|)\\1?b",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aab","^(a|)\\1?b",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aab","^(a|)\\1?b",[{parts,
                                                                                                                                                                             2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aab","^(a|)\\1?b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","^(a|)\\1?b",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","^(a|)\\1?b",[{parts,
                                                                                                                                                                         2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","^(a|)\\1?b",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1?b",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1?b",[{parts,
                                                                                                                                                                                             2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1?b",[]))), 
?line <<"acb">> = iolist_to_binary(join(re:split("acb","^(a|)\\1?b",[trim]))), 
?line <<"acb">> = iolist_to_binary(join(re:split("acb","^(a|)\\1?b",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"acb">> = iolist_to_binary(join(re:split("acb","^(a|)\\1?b",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaab","^(a|)\\1{2}b",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaab","^(a|)\\1{2}b",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaab","^(a|)\\1{2}b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","^(a|)\\1{2}b",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","^(a|)\\1{2}b",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","^(a|)\\1{2}b",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1{2}b",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1{2}b",[{parts,
                                                                                                                                                                                                 2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1{2}b",[]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","^(a|)\\1{2}b",[trim]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","^(a|)\\1{2}b",[{parts,
                                                                                                                                                                               2}]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","^(a|)\\1{2}b",[]))), 
?line <<"aab">> = iolist_to_binary(join(re:split("aab","^(a|)\\1{2}b",[trim]))), 
?line <<"aab">> = iolist_to_binary(join(re:split("aab","^(a|)\\1{2}b",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<"aab">> = iolist_to_binary(join(re:split("aab","^(a|)\\1{2}b",[]))), 
?line <<"aaaab">> = iolist_to_binary(join(re:split("aaaab","^(a|)\\1{2}b",[trim]))), 
?line <<"aaaab">> = iolist_to_binary(join(re:split("aaaab","^(a|)\\1{2}b",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<"aaaab">> = iolist_to_binary(join(re:split("aaaab","^(a|)\\1{2}b",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaab","^(a|)\\1{2,3}b",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaab","^(a|)\\1{2,3}b",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaab","^(a|)\\1{2,3}b",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaab","^(a|)\\1{2,3}b",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaab","^(a|)\\1{2,3}b",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaab","^(a|)\\1{2,3}b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","^(a|)\\1{2,3}b",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","^(a|)\\1{2,3}b",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","^(a|)\\1{2,3}b",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1{2,3}b",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1{2,3}b",[{parts,
                                                                                                                                                                                                     2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a|)\\1{2,3}b",[]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","^(a|)\\1{2,3}b",[trim]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","^(a|)\\1{2,3}b",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","^(a|)\\1{2,3}b",[]))), 
?line <<"aab">> = iolist_to_binary(join(re:split("aab","^(a|)\\1{2,3}b",[trim]))), 
?line <<"aab">> = iolist_to_binary(join(re:split("aab","^(a|)\\1{2,3}b",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<"aab">> = iolist_to_binary(join(re:split("aab","^(a|)\\1{2,3}b",[]))), 
?line <<"aaaaab">> = iolist_to_binary(join(re:split("aaaaab","^(a|)\\1{2,3}b",[trim]))), 
?line <<"aaaaab">> = iolist_to_binary(join(re:split("aaaaab","^(a|)\\1{2,3}b",[{parts,
                                                                                                                                                                                           2}]))), 
?line <<"aaaaab">> = iolist_to_binary(join(re:split("aaaaab","^(a|)\\1{2,3}b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abbbbc","ab{1,3}bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab{1,3}bc",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab{1,3}bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abbbc","ab{1,3}bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbc","ab{1,3}bc",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbc","ab{1,3}bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abbc","ab{1,3}bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbc","ab{1,3}bc",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbc","ab{1,3}bc",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab{1,3}bc",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab{1,3}bc",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab{1,3}bc",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","ab{1,3}bc",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","ab{1,3}bc",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","ab{1,3}bc",[]))), 
?line <<"abbbbbc">> = iolist_to_binary(join(re:split("abbbbbc","ab{1,3}bc",[trim]))), 
?line <<"abbbbbc">> = iolist_to_binary(join(re:split("abbbbbc","ab{1,3}bc",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<"abbbbbc">> = iolist_to_binary(join(re:split("abbbbbc","ab{1,3}bc",[]))), 
?line <<":track1:title:Blah blah blah">> = iolist_to_binary(join(re:split("track1.title:TBlah blah blah","([^.]*)\\.([^:]*):[T ]+(.*)",[trim]))), 
?line <<":track1:title:Blah blah blah:">> = iolist_to_binary(join(re:split("track1.title:TBlah blah blah","([^.]*)\\.([^:]*):[T ]+(.*)",[{parts,
                                                                                                                                                                                                                                                                 2}]))), 
?line <<":track1:title:Blah blah blah:">> = iolist_to_binary(join(re:split("track1.title:TBlah blah blah","([^.]*)\\.([^:]*):[T ]+(.*)",[]))), 
?line <<":track1:title:Blah blah blah">> = iolist_to_binary(join(re:split("track1.title:TBlah blah blah","([^.]*)\\.([^:]*):[T ]+(.*)",[caseless,
                                                                                                                                                                                                                                                               trim]))), 
?line <<":track1:title:Blah blah blah:">> = iolist_to_binary(join(re:split("track1.title:TBlah blah blah","([^.]*)\\.([^:]*):[T ]+(.*)",[caseless,
                                                                                                                                                                                                                                                                 {parts,
                                                                                                                                                                                                                                                                  2}]))), 
?line <<":track1:title:Blah blah blah:">> = iolist_to_binary(join(re:split("track1.title:TBlah blah blah","([^.]*)\\.([^:]*):[T ]+(.*)",[caseless]))), 
?line <<":track1:title:Blah blah blah">> = iolist_to_binary(join(re:split("track1.title:TBlah blah blah","([^.]*)\\.([^:]*):[t ]+(.*)",[caseless,
                                                                                                                                                                                                                                                               trim]))), 
?line <<":track1:title:Blah blah blah:">> = iolist_to_binary(join(re:split("track1.title:TBlah blah blah","([^.]*)\\.([^:]*):[t ]+(.*)",[caseless,
                                                                                                                                                                                                                                                                 {parts,
                                                                                                                                                                                                                                                                  2}]))), 
?line <<":track1:title:Blah blah blah:">> = iolist_to_binary(join(re:split("track1.title:TBlah blah blah","([^.]*)\\.([^:]*):[t ]+(.*)",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("WXY_^abc","^[W-c]+$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("WXY_^abc","^[W-c]+$",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("WXY_^abc","^[W-c]+$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[W-c]+$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[W-c]+$",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[W-c]+$",[]))), 
?line <<"wxy">> = iolist_to_binary(join(re:split("wxy","^[W-c]+$",[trim]))), 
?line <<"wxy">> = iolist_to_binary(join(re:split("wxy","^[W-c]+$",[{parts,
                                                                                                                                                                         2}]))), 
?line <<"wxy">> = iolist_to_binary(join(re:split("wxy","^[W-c]+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("WXY_^abc","^[W-c]+$",[caseless,
                                                                                                                                                                                 trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("WXY_^abc","^[W-c]+$",[caseless,
                                                                                                                                                                                   {parts,
                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("WXY_^abc","^[W-c]+$",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("wxy_^ABC","^[W-c]+$",[caseless,
                                                                                                                                                                                 trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("wxy_^ABC","^[W-c]+$",[caseless,
                                                                                                                                                                                   {parts,
                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("wxy_^ABC","^[W-c]+$",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("WXY_^abc","^[\\x3f-\\x5F]+$",[caseless,
                                                                                                                                                                                                   trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("WXY_^abc","^[\\x3f-\\x5F]+$",[caseless,
                                                                                                                                                                                                     {parts,
                                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("WXY_^abc","^[\\x3f-\\x5F]+$",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("wxy_^ABC","^[\\x3f-\\x5F]+$",[caseless,
                                                                                                                                                                                                   trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("wxy_^ABC","^[\\x3f-\\x5F]+$",[caseless,
                                                                                                                                                                                                     {parts,
                                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("wxy_^ABC","^[\\x3f-\\x5F]+$",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","^abc$",[multiline,
                                                                                                                                                                 trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^abc$",[multiline,
                                                                                                                                                                   {parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^abc$",[multiline]))), 
?line <<"qqq
">> = iolist_to_binary(join(re:split("qqq
abc","^abc$",[multiline,trim]))), 
?line <<"qqq
:">> = iolist_to_binary(join(re:split("qqq
abc","^abc$",[multiline,{parts,2}]))), 
?line <<"qqq
:">> = iolist_to_binary(join(re:split("qqq
abc","^abc$",[multiline]))), 
?line <<":
zzz">> = iolist_to_binary(join(re:split("abc
zzz","^abc$",[multiline,trim]))), 
?line <<":
zzz">> = iolist_to_binary(join(re:split("abc
zzz","^abc$",[multiline,{parts,2}]))), 
?line <<":
zzz">> = iolist_to_binary(join(re:split("abc
zzz","^abc$",[multiline]))), 
?line <<"qqq
:
zzz">> = iolist_to_binary(join(re:split("qqq
abc
zzz","^abc$",[multiline,trim]))), 
?line <<"qqq
:
zzz">> = iolist_to_binary(join(re:split("qqq
abc
zzz","^abc$",[multiline,{parts,2}]))), 
?line <<"qqq
:
zzz">> = iolist_to_binary(join(re:split("qqq
abc
zzz","^abc$",[multiline]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","^abc$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^abc$",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^abc$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^abc$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^abc$",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^abc$",[]))), 
?line <<"qqq
abc">> = iolist_to_binary(join(re:split("qqq
abc","^abc$",[trim]))), 
?line <<"qqq
abc">> = iolist_to_binary(join(re:split("qqq
abc","^abc$",[{parts,2}]))), 
?line <<"qqq
abc">> = iolist_to_binary(join(re:split("qqq
abc","^abc$",[]))), 
?line <<"abc
zzz">> = iolist_to_binary(join(re:split("abc
zzz","^abc$",[trim]))), 
?line <<"abc
zzz">> = iolist_to_binary(join(re:split("abc
zzz","^abc$",[{parts,2}]))), 
?line <<"abc
zzz">> = iolist_to_binary(join(re:split("abc
zzz","^abc$",[]))), 
?line <<"qqq
abc
zzz">> = iolist_to_binary(join(re:split("qqq
abc
zzz","^abc$",[trim]))), 
?line <<"qqq
abc
zzz">> = iolist_to_binary(join(re:split("qqq
abc
zzz","^abc$",[{parts,2}]))), 
?line <<"qqq
abc
zzz">> = iolist_to_binary(join(re:split("qqq
abc
zzz","^abc$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","\\Aabc\\Z",[multiline,
                                                                                                                                                                          trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","\\Aabc\\Z",[multiline,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","\\Aabc\\Z",[multiline]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","\\Aabc\\Z",[multiline,
                                                                                                                                                                          trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","\\Aabc\\Z",[multiline,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","\\Aabc\\Z",[multiline]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\Aabc\\Z",[multiline,
                                                                                                                                                                                          trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\Aabc\\Z",[multiline,
                                                                                                                                                                                            {parts,
                                                                                                                                                                                             2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\Aabc\\Z",[multiline]))), 
?line <<"qqq
abc">> = iolist_to_binary(join(re:split("qqq
abc","\\Aabc\\Z",[multiline,trim]))), 
?line <<"qqq
abc">> = iolist_to_binary(join(re:split("qqq
abc","\\Aabc\\Z",[multiline,{parts,2}]))), 
?line <<"qqq
abc">> = iolist_to_binary(join(re:split("qqq
abc","\\Aabc\\Z",[multiline]))), 
?line <<"abc
zzz">> = iolist_to_binary(join(re:split("abc
zzz","\\Aabc\\Z",[multiline,trim]))), 
?line <<"abc
zzz">> = iolist_to_binary(join(re:split("abc
zzz","\\Aabc\\Z",[multiline,{parts,2}]))), 
?line <<"abc
zzz">> = iolist_to_binary(join(re:split("abc
zzz","\\Aabc\\Z",[multiline]))), 
?line <<"qqq
abc
zzz">> = iolist_to_binary(join(re:split("qqq
abc
zzz","\\Aabc\\Z",[multiline,trim]))), 
?line <<"qqq
abc
zzz">> = iolist_to_binary(join(re:split("qqq
abc
zzz","\\Aabc\\Z",[multiline,{parts,2}]))), 
?line <<"qqq
abc
zzz">> = iolist_to_binary(join(re:split("qqq
abc
zzz","\\Aabc\\Z",[multiline]))), 
?line <<":f">> = iolist_to_binary(join(re:split("abc
def","\\A(.)*\\Z",[dotall,trim]))), 
?line <<":f:">> = iolist_to_binary(join(re:split("abc
def","\\A(.)*\\Z",[dotall,{parts,2}]))), 
?line <<":f:">> = iolist_to_binary(join(re:split("abc
def","\\A(.)*\\Z",[dotall]))), 
?line <<":s">> = iolist_to_binary(join(re:split("*** Failers","\\A(.)*\\Z",[multiline,
                                                                                                                                                                                            trim]))), 
?line <<":s:">> = iolist_to_binary(join(re:split("*** Failers","\\A(.)*\\Z",[multiline,
                                                                                                                                                                                              {parts,
                                                                                                                                                                                               2}]))), 
?line <<":s:">> = iolist_to_binary(join(re:split("*** Failers","\\A(.)*\\Z",[multiline]))), 
?line <<"abc
def">> = iolist_to_binary(join(re:split("abc
def","\\A(.)*\\Z",[multiline,trim]))), 
?line <<"abc
def">> = iolist_to_binary(join(re:split("abc
def","\\A(.)*\\Z",[multiline,{parts,2}]))), 
?line <<"abc
def">> = iolist_to_binary(join(re:split("abc
def","\\A(.)*\\Z",[multiline]))), 
?line <<"::c">> = iolist_to_binary(join(re:split("b::c","(?:b)|(?::+)",[trim]))), 
?line <<":::c">> = iolist_to_binary(join(re:split("b::c","(?:b)|(?::+)",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<"::c">> = iolist_to_binary(join(re:split("b::c","(?:b)|(?::+)",[]))), 
?line <<"c">> = iolist_to_binary(join(re:split("c::b","(?:b)|(?::+)",[trim]))), 
?line <<"c:b">> = iolist_to_binary(join(re:split("c::b","(?:b)|(?::+)",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<"c::">> = iolist_to_binary(join(re:split("c::b","(?:b)|(?::+)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("az-","[-az]+",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("az-","[-az]+",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("az-","[-az]+",[]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","[-az]+",[trim]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","[-az]+",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","[-az]+",[]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","[-az]+",[trim]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","[-az]+",[{parts,
                                                                                                                                                                2}]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","[-az]+",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("za-","[az-]+",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("za-","[az-]+",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("za-","[az-]+",[]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","[az-]+",[trim]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","[az-]+",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","[az-]+",[]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","[az-]+",[trim]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","[az-]+",[{parts,
                                                                                                                                                                2}]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","[az-]+",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a-z","[a\\-z]+",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-z","[a\\-z]+",[{parts,
                                                                                                                                                                         2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-z","[a\\-z]+",[]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","[a\\-z]+",[trim]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","[a\\-z]+",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","[a\\-z]+",[]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","[a\\-z]+",[trim]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","[a\\-z]+",[{parts,
                                                                                                                                                                     2}]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","[a\\-z]+",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcdxyz","[a-z]+",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcdxyz","[a-z]+",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcdxyz","[a-z]+",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("12-34","[\\d-]+",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("12-34","[\\d-]+",[{parts,
                                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("12-34","[\\d-]+",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","[\\d-]+",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","[\\d-]+",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","[\\d-]+",[]))), 
?line <<"aaa">> = iolist_to_binary(join(re:split("aaa","[\\d-]+",[trim]))), 
?line <<"aaa">> = iolist_to_binary(join(re:split("aaa","[\\d-]+",[{parts,
                                                                                                                                                                       2}]))), 
?line <<"aaa">> = iolist_to_binary(join(re:split("aaa","[\\d-]+",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("12-34z","[\\d-z]+",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("12-34z","[\\d-z]+",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("12-34z","[\\d-z]+",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","[\\d-z]+",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","[\\d-z]+",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","[\\d-z]+",[]))), 
?line <<"aaa">> = iolist_to_binary(join(re:split("aaa","[\\d-z]+",[trim]))), 
?line <<"aaa">> = iolist_to_binary(join(re:split("aaa","[\\d-z]+",[{parts,
                                                                                                                                                                         2}]))), 
?line <<"aaa">> = iolist_to_binary(join(re:split("aaa","[\\d-z]+",[]))), 
?line <<": ">> = iolist_to_binary(join(re:split("\\ ","\\x5c",[trim]))), 
?line <<": ">> = iolist_to_binary(join(re:split("\\ ","\\x5c",[{parts,
                                                                                                                                                                     2}]))), 
?line <<": ">> = iolist_to_binary(join(re:split("\\ ","\\x5c",[]))), 
?line <<"the:oo">> = iolist_to_binary(join(re:split("the Zoo","\\x20Z",[trim]))), 
?line <<"the:oo">> = iolist_to_binary(join(re:split("the Zoo","\\x20Z",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"the:oo">> = iolist_to_binary(join(re:split("the Zoo","\\x20Z",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\x20Z",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\x20Z",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\x20Z",[]))), 
?line <<"Zulu">> = iolist_to_binary(join(re:split("Zulu","\\x20Z",[trim]))), 
?line <<"Zulu">> = iolist_to_binary(join(re:split("Zulu","\\x20Z",[{parts,
                                                                                                                                                                       2}]))), 
?line <<"Zulu">> = iolist_to_binary(join(re:split("Zulu","\\x20Z",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abcabc","(abc)\\1",[caseless,
                                                                                                                                                                             trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcabc","(abc)\\1",[caseless,
                                                                                                                                                                               {parts,
                                                                                                                                                                                2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcabc","(abc)\\1",[caseless]))), 
?line <<":ABC">> = iolist_to_binary(join(re:split("ABCabc","(abc)\\1",[caseless,
                                                                                                                                                                             trim]))), 
?line <<":ABC:">> = iolist_to_binary(join(re:split("ABCabc","(abc)\\1",[caseless,
                                                                                                                                                                               {parts,
                                                                                                                                                                                2}]))), 
?line <<":ABC:">> = iolist_to_binary(join(re:split("ABCabc","(abc)\\1",[caseless]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abcABC","(abc)\\1",[caseless,
                                                                                                                                                                             trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcABC","(abc)\\1",[caseless,
                                                                                                                                                                               {parts,
                                                                                                                                                                                2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcABC","(abc)\\1",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab{3cd","ab{3cd",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab{3cd","ab{3cd",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab{3cd","ab{3cd",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab{3,cd","ab{3,cd",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab{3,cd","ab{3,cd",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab{3,cd","ab{3,cd",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab{3,4a}cd","ab{3,4a}cd",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab{3,4a}cd","ab{3,4a}cd",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab{3,4a}cd","ab{3,4a}cd",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("{4,5a}bc","{4,5a}bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("{4,5a}bc","{4,5a}bc",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("{4,5a}bc","{4,5a}bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","abc$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","abc$",[{parts,
                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","abc$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","abc$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","abc$",[{parts,
                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","abc$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc$",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc$",[]))), 
?line <<"abc
def">> = iolist_to_binary(join(re:split("abc
def","abc$",[trim]))), 
?line <<"abc
def">> = iolist_to_binary(join(re:split("abc
def","abc$",[{parts,2}]))), 
?line <<"abc
def">> = iolist_to_binary(join(re:split("abc
def","abc$",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abcS","(abc)\\123",[trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcS","(abc)\\123",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcS","(abc)\\123",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abc“","(abc)\\223",[trim]))),
?line <<":abc:">> = iolist_to_binary(join(re:split("abc“","(abc)\\223",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abc“","(abc)\\223",[]))),
?line <<":abc">> = iolist_to_binary(join(re:split("abcÓ","(abc)\\323",[trim]))),
?line <<":abc:">> = iolist_to_binary(join(re:split("abcÓ","(abc)\\323",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcÓ","(abc)\\323",[]))),
?line <<":abc">> = iolist_to_binary(join(re:split("abc@","(abc)\\100",[trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abc@","(abc)\\100",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abc@","(abc)\\100",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abc@","(abc)\\100",[trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abc@","(abc)\\100",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abc@","(abc)\\100",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","(abc)\\1000",[]))), 
?line <<"abc81">> = iolist_to_binary(join(re:split("abc81","abc\\81",[trim]))), 
?line <<"abc81">> = iolist_to_binary(join(re:split("abc81","abc\\81",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"abc81">> = iolist_to_binary(join(re:split("abc81","abc\\81",[]))), 
?line <<"abc81">> = iolist_to_binary(join(re:split("abc81","abc\\81",[trim]))), 
?line <<"abc81">> = iolist_to_binary(join(re:split("abc81","abc\\81",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"abc81">> = iolist_to_binary(join(re:split("abc81","abc\\81",[]))), 
?line <<"abc91">> = iolist_to_binary(join(re:split("abc91","abc\\91",[trim]))), 
?line <<"abc91">> = iolist_to_binary(join(re:split("abc91","abc\\91",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"abc91">> = iolist_to_binary(join(re:split("abc91","abc\\91",[]))), 
?line <<"abc91">> = iolist_to_binary(join(re:split("abc91","abc\\91",[trim]))), 
?line <<"abc91">> = iolist_to_binary(join(re:split("abc91","abc\\91",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"abc91">> = iolist_to_binary(join(re:split("abc91","abc\\91",[]))), 
?line <<":a:b:c:d:e:f:g:h:i:j:k:l">> = iolist_to_binary(join(re:split("abcdefghijkllS","(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\\12\\123",[trim]))), 
?line <<":a:b:c:d:e:f:g:h:i:j:k:l:">> = iolist_to_binary(join(re:split("abcdefghijkllS","(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\\12\\123",[{parts,
                                                                                                                                                                                                                                                                          2}]))), 
?line <<":a:b:c:d:e:f:g:h:i:j:k:l:">> = iolist_to_binary(join(re:split("abcdefghijkllS","(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\\12\\123",[]))), 
?line <<":a:b:c:d:e:f:g:h:i:j:k">> = iolist_to_binary(join(re:split("abcdefghijk
S","(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\\12\\123",[trim]))), 
?line <<":a:b:c:d:e:f:g:h:i:j:k:">> = iolist_to_binary(join(re:split("abcdefghijk
S","(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\\12\\123",[{parts,2}]))), 
?line <<":a:b:c:d:e:f:g:h:i:j:k:">> = iolist_to_binary(join(re:split("abcdefghijk
S","(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\\12\\123",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abidef","ab\\idef",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abidef","ab\\idef",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abidef","ab\\idef",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("bc","a{0}bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("bc","a{0}bc",[{parts,
                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("bc","a{0}bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("xyz","(a|(bc)){0,0}?xyz",[trim]))), 
?line <<":::">> = iolist_to_binary(join(re:split("xyz","(a|(bc)){0,0}?xyz",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":::">> = iolist_to_binary(join(re:split("xyz","(a|(bc)){0,0}?xyz",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcde","abc[\\10]de",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcde","abc[\\10]de",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcde","abc[\\10]de",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc
de","abc[\\1]de",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc
de","abc[\\1]de",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc
de","abc[\\1]de",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abc
de","(abc)[\\1]de",[trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abc
de","(abc)[\\1]de",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abc
de","(abc)[\\1]de",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a
b","(?s)a.b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a
b","(?s)a.b",[{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a
b","(?s)a.b",[]))), 
?line <<":b:a:NOT:cccc:d">> = iolist_to_binary(join(re:split("baNOTccccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[trim]))), 
?line <<":b:a:NOT:cccc:d">> = iolist_to_binary(join(re:split("baNOTccccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[{parts,
                                                                                                                                                                                                                                         2}]))), 
?line <<":b:a:NOT:cccc:d">> = iolist_to_binary(join(re:split("baNOTccccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[]))), 
?line <<":b:a:NOT:ccc:d">> = iolist_to_binary(join(re:split("baNOTcccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[trim]))), 
?line <<":b:a:NOT:ccc:d">> = iolist_to_binary(join(re:split("baNOTcccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[{parts,
                                                                                                                                                                                                                                       2}]))), 
?line <<":b:a:NOT:ccc:d">> = iolist_to_binary(join(re:split("baNOTcccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[]))), 
?line <<":b:a:NO:Tcc:d">> = iolist_to_binary(join(re:split("baNOTccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[trim]))), 
?line <<":b:a:NO:Tcc:d">> = iolist_to_binary(join(re:split("baNOTccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[{parts,
                                                                                                                                                                                                                                     2}]))), 
?line <<":b:a:NO:Tcc:d">> = iolist_to_binary(join(re:split("baNOTccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[]))), 
?line <<":b:a::ccc:d">> = iolist_to_binary(join(re:split("bacccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[trim]))), 
?line <<":b:a::ccc:d">> = iolist_to_binary(join(re:split("bacccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[{parts,
                                                                                                                                                                                                                                 2}]))), 
?line <<":b:a::ccc:d">> = iolist_to_binary(join(re:split("bacccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[]))), 
?line <<":*:*:* Fail:ers">> = iolist_to_binary(join(re:split("*** Failers","^([^a])([^\\b])([^c]*)([^d]{3,4})",[trim]))), 
?line <<":*:*:* Fail:ers:">> = iolist_to_binary(join(re:split("*** Failers","^([^a])([^\\b])([^c]*)([^d]{3,4})",[{parts,
                                                                                                                                                                                                                                           2}]))), 
?line <<":*:*:* Fail:ers:">> = iolist_to_binary(join(re:split("*** Failers","^([^a])([^\\b])([^c]*)([^d]{3,4})",[]))), 
?line <<"anything">> = iolist_to_binary(join(re:split("anything","^([^a])([^\\b])([^c]*)([^d]{3,4})",[trim]))), 
?line <<"anything">> = iolist_to_binary(join(re:split("anything","^([^a])([^\\b])([^c]*)([^d]{3,4})",[{parts,
                                                                                                                                                                                                                                     2}]))), 
?line <<"anything">> = iolist_to_binary(join(re:split("anything","^([^a])([^\\b])([^c]*)([^d]{3,4})",[]))), 
?line <<"bc">> = iolist_to_binary(join(re:split("bc","^([^a])([^\\b])([^c]*)([^d]{3,4})",[trim]))), 
?line <<"bc">> = iolist_to_binary(join(re:split("bc","^([^a])([^\\b])([^c]*)([^d]{3,4})",[{parts,
                                                                                                                                                                                                                           2}]))), 
?line <<"bc">> = iolist_to_binary(join(re:split("bc","^([^a])([^\\b])([^c]*)([^d]{3,4})",[]))), 
?line <<"baccd">> = iolist_to_binary(join(re:split("baccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[trim]))), 
?line <<"baccd">> = iolist_to_binary(join(re:split("baccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[{parts,
                                                                                                                                                                                                                               2}]))), 
?line <<"baccd">> = iolist_to_binary(join(re:split("baccd","^([^a])([^\\b])([^c]*)([^d]{3,4})",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("Abc","[^a]",[trim]))), 
?line <<":bc">> = iolist_to_binary(join(re:split("Abc","[^a]",[{parts,
                                                                                                                                                                2}]))), 
?line <<":::">> = iolist_to_binary(join(re:split("Abc","[^a]",[]))), 
?line <<"A">> = iolist_to_binary(join(re:split("Abc","[^a]",[caseless,
                                                                                                                                                              trim]))), 
?line <<"A:c">> = iolist_to_binary(join(re:split("Abc","[^a]",[caseless,
                                                                                                                                                                {parts,
                                                                                                                                                                 2}]))), 
?line <<"A::">> = iolist_to_binary(join(re:split("Abc","[^a]",[caseless]))), 
?line <<":a">> = iolist_to_binary(join(re:split("AAAaAbc","[^a]+",[trim]))), 
?line <<":aAbc">> = iolist_to_binary(join(re:split("AAAaAbc","[^a]+",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("AAAaAbc","[^a]+",[]))), 
?line <<"AAAaA">> = iolist_to_binary(join(re:split("AAAaAbc","[^a]+",[caseless,
                                                                                                                                                                        trim]))), 
?line <<"AAAaA:">> = iolist_to_binary(join(re:split("AAAaAbc","[^a]+",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<"AAAaA:">> = iolist_to_binary(join(re:split("AAAaAbc","[^a]+",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("bbb
ccc","[^a]+",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("bbb
ccc","[^a]+",[{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("bbb
ccc","[^a]+",[]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("abc","[^k]$",[trim]))), 
?line <<"ab:">> = iolist_to_binary(join(re:split("abc","[^k]$",[{parts,
                                                                                                                                                                   2}]))), 
?line <<"ab:">> = iolist_to_binary(join(re:split("abc","[^k]$",[]))), 
?line <<"*** Failer">> = iolist_to_binary(join(re:split("*** Failers","[^k]$",[trim]))), 
?line <<"*** Failer:">> = iolist_to_binary(join(re:split("*** Failers","[^k]$",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<"*** Failer:">> = iolist_to_binary(join(re:split("*** Failers","[^k]$",[]))), 
?line <<"abk">> = iolist_to_binary(join(re:split("abk","[^k]$",[trim]))), 
?line <<"abk">> = iolist_to_binary(join(re:split("abk","[^k]$",[{parts,
                                                                                                                                                                   2}]))), 
?line <<"abk">> = iolist_to_binary(join(re:split("abk","[^k]$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","[^k]{2,3}$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","[^k]{2,3}$",[{parts,
                                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","[^k]{2,3}$",[]))), 
?line <<"k">> = iolist_to_binary(join(re:split("kbc","[^k]{2,3}$",[trim]))), 
?line <<"k:">> = iolist_to_binary(join(re:split("kbc","[^k]{2,3}$",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"k:">> = iolist_to_binary(join(re:split("kbc","[^k]{2,3}$",[]))), 
?line <<"k">> = iolist_to_binary(join(re:split("kabc","[^k]{2,3}$",[trim]))), 
?line <<"k:">> = iolist_to_binary(join(re:split("kabc","[^k]{2,3}$",[{parts,
                                                                                                                                                                               2}]))), 
?line <<"k:">> = iolist_to_binary(join(re:split("kabc","[^k]{2,3}$",[]))), 
?line <<"*** Fail">> = iolist_to_binary(join(re:split("*** Failers","[^k]{2,3}$",[trim]))), 
?line <<"*** Fail:">> = iolist_to_binary(join(re:split("*** Failers","[^k]{2,3}$",[{parts,
                                                                                                                                                                                             2}]))), 
?line <<"*** Fail:">> = iolist_to_binary(join(re:split("*** Failers","[^k]{2,3}$",[]))), 
?line <<"abk">> = iolist_to_binary(join(re:split("abk","[^k]{2,3}$",[trim]))), 
?line <<"abk">> = iolist_to_binary(join(re:split("abk","[^k]{2,3}$",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"abk">> = iolist_to_binary(join(re:split("abk","[^k]{2,3}$",[]))), 
?line <<"akb">> = iolist_to_binary(join(re:split("akb","[^k]{2,3}$",[trim]))), 
?line <<"akb">> = iolist_to_binary(join(re:split("akb","[^k]{2,3}$",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"akb">> = iolist_to_binary(join(re:split("akb","[^k]{2,3}$",[]))), 
?line <<"akk">> = iolist_to_binary(join(re:split("akk","[^k]{2,3}$",[trim]))), 
?line <<"akk">> = iolist_to_binary(join(re:split("akk","[^k]{2,3}$",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"akk">> = iolist_to_binary(join(re:split("akk","[^k]{2,3}$",[]))), 
?line <<"12345678.b.c.d">> = iolist_to_binary(join(re:split("12345678.b.c.d","^\\d{8,}\\@.+[^k]$",[trim]))), 
?line <<"12345678.b.c.d">> = iolist_to_binary(join(re:split("12345678.b.c.d","^\\d{8,}\\@.+[^k]$",[{parts,
                                                                                                                                                                                                                         2}]))), 
?line <<"12345678.b.c.d">> = iolist_to_binary(join(re:split("12345678.b.c.d","^\\d{8,}\\@.+[^k]$",[]))), 
?line <<"123456789.y.z">> = iolist_to_binary(join(re:split("123456789.y.z","^\\d{8,}\\@.+[^k]$",[trim]))), 
?line <<"123456789.y.z">> = iolist_to_binary(join(re:split("123456789.y.z","^\\d{8,}\\@.+[^k]$",[{parts,
                                                                                                                                                                                                                       2}]))), 
?line <<"123456789.y.z">> = iolist_to_binary(join(re:split("123456789.y.z","^\\d{8,}\\@.+[^k]$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\d{8,}\\@.+[^k]$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\d{8,}\\@.+[^k]$",[{parts,
                                                                                                                                                                                                               2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^\\d{8,}\\@.+[^k]$",[]))), 
?line <<"12345678.y.uk">> = iolist_to_binary(join(re:split("12345678.y.uk","^\\d{8,}\\@.+[^k]$",[trim]))), 
?line <<"12345678.y.uk">> = iolist_to_binary(join(re:split("12345678.y.uk","^\\d{8,}\\@.+[^k]$",[{parts,
                                                                                                                                                                                                                       2}]))), 
?line <<"12345678.y.uk">> = iolist_to_binary(join(re:split("12345678.y.uk","^\\d{8,}\\@.+[^k]$",[]))), 
?line <<"1234567.b.c.d">> = iolist_to_binary(join(re:split("1234567.b.c.d","^\\d{8,}\\@.+[^k]$",[trim]))), 
?line <<"1234567.b.c.d">> = iolist_to_binary(join(re:split("1234567.b.c.d","^\\d{8,}\\@.+[^k]$",[{parts,
                                                                                                                                                                                                                       2}]))), 
?line <<"1234567.b.c.d">> = iolist_to_binary(join(re:split("1234567.b.c.d","^\\d{8,}\\@.+[^k]$",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaaaaaaa","(a)\\1{8,}",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaaaaaaa","(a)\\1{8,}",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaaaaaaa","(a)\\1{8,}",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaaaaaaaa","(a)\\1{8,}",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaaaaaaaa","(a)\\1{8,}",[{parts,
                                                                                                                                                                                           2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaaaaaaaa","(a)\\1{8,}",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a)\\1{8,}",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a)\\1{8,}",[{parts,
                                                                                                                                                                                             2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a)\\1{8,}",[]))), 
?line <<"aaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaa","(a)\\1{8,}",[trim]))), 
?line <<"aaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaa","(a)\\1{8,}",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<"aaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaa","(a)\\1{8,}",[]))), 
?line <<"aaaa">> = iolist_to_binary(join(re:split("aaaabcd","[^a]",[trim]))), 
?line <<"aaaa:cd">> = iolist_to_binary(join(re:split("aaaabcd","[^a]",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"aaaa:::">> = iolist_to_binary(join(re:split("aaaabcd","[^a]",[]))), 
?line <<"aa:a">> = iolist_to_binary(join(re:split("aaAabcd","[^a]",[trim]))), 
?line <<"aa:abcd">> = iolist_to_binary(join(re:split("aaAabcd","[^a]",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"aa:a:::">> = iolist_to_binary(join(re:split("aaAabcd","[^a]",[]))), 
?line <<"aaaa">> = iolist_to_binary(join(re:split("aaaabcd","[^a]",[caseless,
                                                                                                                                                                      trim]))), 
?line <<"aaaa:cd">> = iolist_to_binary(join(re:split("aaaabcd","[^a]",[caseless,
                                                                                                                                                                        {parts,
                                                                                                                                                                         2}]))), 
?line <<"aaaa:::">> = iolist_to_binary(join(re:split("aaaabcd","[^a]",[caseless]))), 
?line <<"aaAa">> = iolist_to_binary(join(re:split("aaAabcd","[^a]",[caseless,
                                                                                                                                                                      trim]))), 
?line <<"aaAa:cd">> = iolist_to_binary(join(re:split("aaAabcd","[^a]",[caseless,
                                                                                                                                                                        {parts,
                                                                                                                                                                         2}]))), 
?line <<"aaAa:::">> = iolist_to_binary(join(re:split("aaAabcd","[^a]",[caseless]))), 
?line <<"aaaa">> = iolist_to_binary(join(re:split("aaaabcd","[^az]",[trim]))), 
?line <<"aaaa:cd">> = iolist_to_binary(join(re:split("aaaabcd","[^az]",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"aaaa:::">> = iolist_to_binary(join(re:split("aaaabcd","[^az]",[]))), 
?line <<"aa:a">> = iolist_to_binary(join(re:split("aaAabcd","[^az]",[trim]))), 
?line <<"aa:abcd">> = iolist_to_binary(join(re:split("aaAabcd","[^az]",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"aa:a:::">> = iolist_to_binary(join(re:split("aaAabcd","[^az]",[]))), 
?line <<"aaaa">> = iolist_to_binary(join(re:split("aaaabcd","[^az]",[caseless,
                                                                                                                                                                        trim]))), 
?line <<"aaaa:cd">> = iolist_to_binary(join(re:split("aaaabcd","[^az]",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<"aaaa:::">> = iolist_to_binary(join(re:split("aaaabcd","[^az]",[caseless]))), 
?line <<"aaAa">> = iolist_to_binary(join(re:split("aaAabcd","[^az]",[caseless,
                                                                                                                                                                        trim]))), 
?line <<"aaAa:cd">> = iolist_to_binary(join(re:split("aaAabcd","[^az]",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<"aaAa:::">> = iolist_to_binary(join(re:split("aaAabcd","[^az]",[caseless]))), 
?line <<"xxxxxxxxxxx:xxxxxxxxx">> = iolist_to_binary(join(re:split("xxxxxxxxxxxPSTAIREISLLxxxxxxxxx","P[^*]TAIRE[^*]{1,6}?LL",[trim]))), 
?line <<"xxxxxxxxxxx:xxxxxxxxx">> = iolist_to_binary(join(re:split("xxxxxxxxxxxPSTAIREISLLxxxxxxxxx","P[^*]TAIRE[^*]{1,6}?LL",[{parts,
                                                                                                                                                                                                                                                            2}]))), 
?line <<"xxxxxxxxxxx:xxxxxxxxx">> = iolist_to_binary(join(re:split("xxxxxxxxxxxPSTAIREISLLxxxxxxxxx","P[^*]TAIRE[^*]{1,6}?LL",[]))), 
?line <<"xxxxxxxxxxx:xxxxxxxxx">> = iolist_to_binary(join(re:split("xxxxxxxxxxxPSTAIREISLLxxxxxxxxx","P[^*]TAIRE[^*]{1,}?LL",[trim]))), 
?line <<"xxxxxxxxxxx:xxxxxxxxx">> = iolist_to_binary(join(re:split("xxxxxxxxxxxPSTAIREISLLxxxxxxxxx","P[^*]TAIRE[^*]{1,}?LL",[{parts,
                                                                                                                                                                                                                                                          2}]))), 
?line <<"xxxxxxxxxxx:xxxxxxxxx">> = iolist_to_binary(join(re:split("xxxxxxxxxxxPSTAIREISLLxxxxxxxxx","P[^*]TAIRE[^*]{1,}?LL",[]))), 
?line <<"1:.23">> = iolist_to_binary(join(re:split("1.230003938","(\\.\\d\\d[1-9]?)\\d+",[trim]))), 
?line <<"1:.23:">> = iolist_to_binary(join(re:split("1.230003938","(\\.\\d\\d[1-9]?)\\d+",[{parts,
                                                                                                                                                                                                                      2}]))), 
?line <<"1:.23:">> = iolist_to_binary(join(re:split("1.230003938","(\\.\\d\\d[1-9]?)\\d+",[]))), 
?line <<"1:.875">> = iolist_to_binary(join(re:split("1.875000282","(\\.\\d\\d[1-9]?)\\d+",[trim]))), 
?line <<"1:.875:">> = iolist_to_binary(join(re:split("1.875000282","(\\.\\d\\d[1-9]?)\\d+",[{parts,
                                                                                                                                                                                                                      2}]))), 
?line <<"1:.875:">> = iolist_to_binary(join(re:split("1.875000282","(\\.\\d\\d[1-9]?)\\d+",[]))), 
?line <<"1:.23">> = iolist_to_binary(join(re:split("1.235","(\\.\\d\\d[1-9]?)\\d+",[trim]))), 
?line <<"1:.23:">> = iolist_to_binary(join(re:split("1.235","(\\.\\d\\d[1-9]?)\\d+",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<"1:.23:">> = iolist_to_binary(join(re:split("1.235","(\\.\\d\\d[1-9]?)\\d+",[]))), 
?line <<"1:.23::0003938">> = iolist_to_binary(join(re:split("1.230003938","(\\.\\d\\d((?=0)|\\d(?=\\d)))",[trim]))), 
?line <<"1:.23::0003938">> = iolist_to_binary(join(re:split("1.230003938","(\\.\\d\\d((?=0)|\\d(?=\\d)))",[{parts,
                                                                                                                                                                                                                                       2}]))), 
?line <<"1:.23::0003938">> = iolist_to_binary(join(re:split("1.230003938","(\\.\\d\\d((?=0)|\\d(?=\\d)))",[]))), 
?line <<"1:.875:5:000282">> = iolist_to_binary(join(re:split("1.875000282","(\\.\\d\\d((?=0)|\\d(?=\\d)))",[trim]))), 
?line <<"1:.875:5:000282">> = iolist_to_binary(join(re:split("1.875000282","(\\.\\d\\d((?=0)|\\d(?=\\d)))",[{parts,
                                                                                                                                                                                                                                       2}]))), 
?line <<"1:.875:5:000282">> = iolist_to_binary(join(re:split("1.875000282","(\\.\\d\\d((?=0)|\\d(?=\\d)))",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(\\.\\d\\d((?=0)|\\d(?=\\d)))",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(\\.\\d\\d((?=0)|\\d(?=\\d)))",[{parts,
                                                                                                                                                                                                                                       2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(\\.\\d\\d((?=0)|\\d(?=\\d)))",[]))), 
?line <<"1.235">> = iolist_to_binary(join(re:split("1.235","(\\.\\d\\d((?=0)|\\d(?=\\d)))",[trim]))), 
?line <<"1.235">> = iolist_to_binary(join(re:split("1.235","(\\.\\d\\d((?=0)|\\d(?=\\d)))",[{parts,
                                                                                                                                                                                                                           2}]))), 
?line <<"1.235">> = iolist_to_binary(join(re:split("1.235","(\\.\\d\\d((?=0)|\\d(?=\\d)))",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab","a(?)b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","a(?)b",[{parts,
                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","a(?)b",[]))), 
?line <<"Food is on the :foo:table">> = iolist_to_binary(join(re:split("Food is on the foo table","\\b(foo)\\s+(\\w+)",[caseless,
                                                                                                                                                                                                                                       trim]))), 
?line <<"Food is on the :foo:table:">> = iolist_to_binary(join(re:split("Food is on the foo table","\\b(foo)\\s+(\\w+)",[caseless,
                                                                                                                                                                                                                                         {parts,
                                                                                                                                                                                                                                          2}]))), 
?line <<"Food is on the :foo:table:">> = iolist_to_binary(join(re:split("Food is on the foo table","\\b(foo)\\s+(\\w+)",[caseless]))), 
?line <<"The :d is under the bar in the :n.">> = iolist_to_binary(join(re:split("The food is under the bar in the barn.","foo(.*)bar",[trim]))), 
?line <<"The :d is under the bar in the :n.">> = iolist_to_binary(join(re:split("The food is under the bar in the barn.","foo(.*)bar",[{parts,
                                                                                                                                                                                                                                                  2}]))), 
?line <<"The :d is under the bar in the :n.">> = iolist_to_binary(join(re:split("The food is under the bar in the barn.","foo(.*)bar",[]))), 
?line <<"The :d is under the : in the barn.">> = iolist_to_binary(join(re:split("The food is under the bar in the barn.","foo(.*?)bar",[trim]))), 
?line <<"The :d is under the : in the barn.">> = iolist_to_binary(join(re:split("The food is under the bar in the barn.","foo(.*?)bar",[{parts,
                                                                                                                                                                                                                                                    2}]))), 
?line <<"The :d is under the : in the barn.">> = iolist_to_binary(join(re:split("The food is under the bar in the barn.","foo(.*?)bar",[]))), 
?line <<":I have 2 numbers: 53147">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*)(\\d*)",[trim]))), 
?line <<":I have 2 numbers: 53147::">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*)(\\d*)",[{parts,
                                                                                                                                                                                                                     2}]))), 
?line <<":I have 2 numbers: 53147::">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*)(\\d*)",[]))), 
?line <<":I have 2 numbers: 5314:7">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*)(\\d+)",[trim]))), 
?line <<":I have 2 numbers: 5314:7:">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*)(\\d+)",[{parts,
                                                                                                                                                                                                                     2}]))), 
?line <<":I have 2 numbers: 5314:7:">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*)(\\d+)",[]))), 
?line <<":I::: :::h:::a:::v:::e::: :2:: :::n:::u:::m:::b:::e:::r:::s::::::: :53147">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*?)(\\d*)",[trim]))), 
?line <<":I:: have 2 numbers: 53147">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*?)(\\d*)",[{parts,
                                                                                                                                                                                                                       2}]))), 
?line <<":I::: :::h:::a:::v:::e::: :2:: :::n:::u:::m:::b:::e:::r:::s::::::: :53147:">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*?)(\\d*)",[]))), 
?line <<":I have :2:: numbers: :53147">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*?)(\\d+)",[trim]))), 
?line <<":I have :2: numbers: 53147">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*?)(\\d+)",[{parts,
                                                                                                                                                                                                                       2}]))), 
?line <<":I have :2:: numbers: :53147:">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*?)(\\d+)",[]))), 
?line <<":I have 2 numbers: 5314:7">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*)(\\d+)$",[trim]))), 
?line <<":I have 2 numbers: 5314:7:">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*)(\\d+)$",[{parts,
                                                                                                                                                                                                                        2}]))), 
?line <<":I have 2 numbers: 5314:7:">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*)(\\d+)$",[]))), 
?line <<":I have 2 numbers: :53147">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*?)(\\d+)$",[trim]))), 
?line <<":I have 2 numbers: :53147:">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*?)(\\d+)$",[{parts,
                                                                                                                                                                                                                          2}]))), 
?line <<":I have 2 numbers: :53147:">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*?)(\\d+)$",[]))), 
?line <<":I have 2 numbers: :53147">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*)\\b(\\d+)$",[trim]))), 
?line <<":I have 2 numbers: :53147:">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*)\\b(\\d+)$",[{parts,
                                                                                                                                                                                                                               2}]))), 
?line <<":I have 2 numbers: :53147:">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*)\\b(\\d+)$",[]))), 
?line <<":I have 2 numbers: :53147">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*\\D)(\\d+)$",[trim]))), 
?line <<":I have 2 numbers: :53147:">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*\\D)(\\d+)$",[{parts,
                                                                                                                                                                                                                               2}]))), 
?line <<":I have 2 numbers: :53147:">> = iolist_to_binary(join(re:split("I have 2 numbers: 53147","(.*\\D)(\\d+)$",[]))), 
?line <<":C123">> = iolist_to_binary(join(re:split("ABC123","^\\D*(?!123)",[trim]))), 
?line <<":C123">> = iolist_to_binary(join(re:split("ABC123","^\\D*(?!123)",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<":C123">> = iolist_to_binary(join(re:split("ABC123","^\\D*(?!123)",[]))), 
?line <<":ABC:445">> = iolist_to_binary(join(re:split("ABC445","^(\\D*)(?=\\d)(?!123)",[trim]))), 
?line <<":ABC:445">> = iolist_to_binary(join(re:split("ABC445","^(\\D*)(?=\\d)(?!123)",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<":ABC:445">> = iolist_to_binary(join(re:split("ABC445","^(\\D*)(?=\\d)(?!123)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\D*)(?=\\d)(?!123)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\D*)(?=\\d)(?!123)",[{parts,
                                                                                                                                                                                                                    2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\D*)(?=\\d)(?!123)",[]))), 
?line <<"ABC123">> = iolist_to_binary(join(re:split("ABC123","^(\\D*)(?=\\d)(?!123)",[trim]))), 
?line <<"ABC123">> = iolist_to_binary(join(re:split("ABC123","^(\\D*)(?=\\d)(?!123)",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<"ABC123">> = iolist_to_binary(join(re:split("ABC123","^(\\D*)(?=\\d)(?!123)",[]))), 
?line <<":789">> = iolist_to_binary(join(re:split("W46]789","^[W-]46]",[trim]))), 
?line <<":789">> = iolist_to_binary(join(re:split("W46]789","^[W-]46]",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":789">> = iolist_to_binary(join(re:split("W46]789","^[W-]46]",[]))), 
?line <<":789">> = iolist_to_binary(join(re:split("-46]789","^[W-]46]",[trim]))), 
?line <<":789">> = iolist_to_binary(join(re:split("-46]789","^[W-]46]",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":789">> = iolist_to_binary(join(re:split("-46]789","^[W-]46]",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[W-]46]",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[W-]46]",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[W-]46]",[]))), 
?line <<"Wall">> = iolist_to_binary(join(re:split("Wall","^[W-]46]",[trim]))), 
?line <<"Wall">> = iolist_to_binary(join(re:split("Wall","^[W-]46]",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"Wall">> = iolist_to_binary(join(re:split("Wall","^[W-]46]",[]))), 
?line <<"Zebra">> = iolist_to_binary(join(re:split("Zebra","^[W-]46]",[trim]))), 
?line <<"Zebra">> = iolist_to_binary(join(re:split("Zebra","^[W-]46]",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"Zebra">> = iolist_to_binary(join(re:split("Zebra","^[W-]46]",[]))), 
?line <<"42">> = iolist_to_binary(join(re:split("42","^[W-]46]",[trim]))), 
?line <<"42">> = iolist_to_binary(join(re:split("42","^[W-]46]",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"42">> = iolist_to_binary(join(re:split("42","^[W-]46]",[]))), 
?line <<"[abcd]">> = iolist_to_binary(join(re:split("[abcd]","^[W-]46]",[trim]))), 
?line <<"[abcd]">> = iolist_to_binary(join(re:split("[abcd]","^[W-]46]",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"[abcd]">> = iolist_to_binary(join(re:split("[abcd]","^[W-]46]",[]))), 
?line <<"]abcd[">> = iolist_to_binary(join(re:split("]abcd[","^[W-]46]",[trim]))), 
?line <<"]abcd[">> = iolist_to_binary(join(re:split("]abcd[","^[W-]46]",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"]abcd[">> = iolist_to_binary(join(re:split("]abcd[","^[W-]46]",[]))), 
?line <<":46]789">> = iolist_to_binary(join(re:split("W46]789","^[W-\\]46]",[trim]))), 
?line <<":46]789">> = iolist_to_binary(join(re:split("W46]789","^[W-\\]46]",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<":46]789">> = iolist_to_binary(join(re:split("W46]789","^[W-\\]46]",[]))), 
?line <<":all">> = iolist_to_binary(join(re:split("Wall","^[W-\\]46]",[trim]))), 
?line <<":all">> = iolist_to_binary(join(re:split("Wall","^[W-\\]46]",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":all">> = iolist_to_binary(join(re:split("Wall","^[W-\\]46]",[]))), 
?line <<":ebra">> = iolist_to_binary(join(re:split("Zebra","^[W-\\]46]",[trim]))), 
?line <<":ebra">> = iolist_to_binary(join(re:split("Zebra","^[W-\\]46]",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<":ebra">> = iolist_to_binary(join(re:split("Zebra","^[W-\\]46]",[]))), 
?line <<":ylophone">> = iolist_to_binary(join(re:split("Xylophone","^[W-\\]46]",[trim]))), 
?line <<":ylophone">> = iolist_to_binary(join(re:split("Xylophone","^[W-\\]46]",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<":ylophone">> = iolist_to_binary(join(re:split("Xylophone","^[W-\\]46]",[]))), 
?line <<":2">> = iolist_to_binary(join(re:split("42","^[W-\\]46]",[trim]))), 
?line <<":2">> = iolist_to_binary(join(re:split("42","^[W-\\]46]",[{parts,
                                                                                                                                                                           2}]))), 
?line <<":2">> = iolist_to_binary(join(re:split("42","^[W-\\]46]",[]))), 
?line <<":abcd]">> = iolist_to_binary(join(re:split("[abcd]","^[W-\\]46]",[trim]))), 
?line <<":abcd]">> = iolist_to_binary(join(re:split("[abcd]","^[W-\\]46]",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<":abcd]">> = iolist_to_binary(join(re:split("[abcd]","^[W-\\]46]",[]))), 
?line <<":abcd[">> = iolist_to_binary(join(re:split("]abcd[","^[W-\\]46]",[trim]))), 
?line <<":abcd[">> = iolist_to_binary(join(re:split("]abcd[","^[W-\\]46]",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<":abcd[">> = iolist_to_binary(join(re:split("]abcd[","^[W-\\]46]",[]))), 
?line <<":backslash">> = iolist_to_binary(join(re:split("\\backslash","^[W-\\]46]",[trim]))), 
?line <<":backslash">> = iolist_to_binary(join(re:split("\\backslash","^[W-\\]46]",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<":backslash">> = iolist_to_binary(join(re:split("\\backslash","^[W-\\]46]",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[W-\\]46]",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[W-\\]46]",[{parts,
                                                                                                                                                                                             2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[W-\\]46]",[]))), 
?line <<"-46]789">> = iolist_to_binary(join(re:split("-46]789","^[W-\\]46]",[trim]))), 
?line <<"-46]789">> = iolist_to_binary(join(re:split("-46]789","^[W-\\]46]",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<"-46]789">> = iolist_to_binary(join(re:split("-46]789","^[W-\\]46]",[]))), 
?line <<"well">> = iolist_to_binary(join(re:split("well","^[W-\\]46]",[trim]))), 
?line <<"well">> = iolist_to_binary(join(re:split("well","^[W-\\]46]",[{parts,
                                                                                                                                                                               2}]))), 
?line <<"well">> = iolist_to_binary(join(re:split("well","^[W-\\]46]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark otherword","word (?:[a-zA-Z0-9]+ ){0,10}otherword",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark otherword","word (?:[a-zA-Z0-9]+ ){0,10}otherword",[{parts,
                                                                                                                                                                                                                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark otherword","word (?:[a-zA-Z0-9]+ ){0,10}otherword",[]))), 
?line <<"word cat dog elephant mussel cow horse canary baboon snake shark">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark","word (?:[a-zA-Z0-9]+ ){0,10}otherword",[trim]))), 
?line <<"word cat dog elephant mussel cow horse canary baboon snake shark">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark","word (?:[a-zA-Z0-9]+ ){0,10}otherword",[{parts,
                                                                                                                                                                                                                                                                                                                                                            2}]))), 
?line <<"word cat dog elephant mussel cow horse canary baboon snake shark">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark","word (?:[a-zA-Z0-9]+ ){0,10}otherword",[]))), 
?line <<"word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope","word (?:[a-zA-Z0-9]+ ){0,300}otherword",[trim]))), 
?line <<"word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope","word (?:[a-zA-Z0-9]+ ){0,300}otherword",[{parts,
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2}]))), 
?line <<"word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope","word (?:[a-zA-Z0-9]+ ){0,300}otherword",[]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,0}",[trim]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,0}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,0}",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^(a){0,0}",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^(a){0,0}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^(a){0,0}",[]))), 
?line <<"aab">> = iolist_to_binary(join(re:split("aab","^(a){0,0}",[trim]))), 
?line <<"aab">> = iolist_to_binary(join(re:split("aab","^(a){0,0}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"aab">> = iolist_to_binary(join(re:split("aab","^(a){0,0}",[]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,1}",[trim]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,1}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,1}",[]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){0,1}",[trim]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){0,1}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){0,1}",[]))), 
?line <<":a:ab">> = iolist_to_binary(join(re:split("aab","^(a){0,1}",[trim]))), 
?line <<":a:ab">> = iolist_to_binary(join(re:split("aab","^(a){0,1}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:ab">> = iolist_to_binary(join(re:split("aab","^(a){0,1}",[]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,2}",[trim]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,2}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,2}",[]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){0,2}",[trim]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){0,2}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){0,2}",[]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){0,2}",[trim]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){0,2}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){0,2}",[]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,3}",[trim]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,3}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,3}",[]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){0,3}",[trim]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){0,3}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){0,3}",[]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){0,3}",[trim]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){0,3}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){0,3}",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaa","^(a){0,3}",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaa","^(a){0,3}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaa","^(a){0,3}",[]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,}",[trim]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,}",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){0,}",[]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){0,}",[trim]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){0,}",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){0,}",[]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){0,}",[trim]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){0,}",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){0,}",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaa","^(a){0,}",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaa","^(a){0,}",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaa","^(a){0,}",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaaaaaa","^(a){0,}",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaaaaaa","^(a){0,}",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaaaaaa","^(a){0,}",[]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){1,1}",[trim]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){1,1}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){1,1}",[]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){1,1}",[trim]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){1,1}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){1,1}",[]))), 
?line <<":a:ab">> = iolist_to_binary(join(re:split("aab","^(a){1,1}",[trim]))), 
?line <<":a:ab">> = iolist_to_binary(join(re:split("aab","^(a){1,1}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:ab">> = iolist_to_binary(join(re:split("aab","^(a){1,1}",[]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){1,2}",[trim]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){1,2}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){1,2}",[]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){1,2}",[trim]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){1,2}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){1,2}",[]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){1,2}",[trim]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){1,2}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){1,2}",[]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){1,3}",[trim]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){1,3}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){1,3}",[]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){1,3}",[trim]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){1,3}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){1,3}",[]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){1,3}",[trim]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){1,3}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){1,3}",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaa","^(a){1,3}",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaa","^(a){1,3}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaa","^(a){1,3}",[]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){1,}",[trim]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){1,}",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"bcd">> = iolist_to_binary(join(re:split("bcd","^(a){1,}",[]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){1,}",[trim]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){1,}",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":a:bc">> = iolist_to_binary(join(re:split("abc","^(a){1,}",[]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){1,}",[trim]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){1,}",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("aab","^(a){1,}",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaa","^(a){1,}",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaa","^(a){1,}",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaa","^(a){1,}",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaaaaaa","^(a){1,}",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaaaaaa","^(a){1,}",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaaaaaa","^(a){1,}",[]))), 
?line <<"borfle
:
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*\\.gif",[trim]))), 
?line <<"borfle
:
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*\\.gif",[{parts,2}]))), 
?line <<"borfle
:
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*\\.gif",[]))), 
?line <<"borfle
:
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".{0,}\\.gif",[trim]))), 
?line <<"borfle
:
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".{0,}\\.gif",[{parts,2}]))), 
?line <<"borfle
:
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".{0,}\\.gif",[]))), 
?line <<"borfle
:
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*\\.gif",[multiline,trim]))), 
?line <<"borfle
:
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*\\.gif",[multiline,{parts,2}]))), 
?line <<"borfle
:
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*\\.gif",[multiline]))), 
?line <<":
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*\\.gif",[dotall,trim]))), 
?line <<":
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*\\.gif",[dotall,{parts,2}]))), 
?line <<":
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*\\.gif",[dotall]))), 
?line <<":
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*\\.gif",[multiline,dotall,trim]))), 
?line <<":
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*\\.gif",[multiline,dotall,{parts,2}]))), 
?line <<":
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*\\.gif",[multiline,dotall]))), 
?line <<"borfle
bib.gif
">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[trim]))), 
?line <<"borfle
bib.gif
:">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[{parts,2}]))), 
?line <<"borfle
bib.gif
:">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[]))), 
?line <<":
:
">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[multiline,trim]))), 
?line <<":
bib.gif
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[multiline,{parts,2}]))), 
?line <<":
:
:">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[multiline]))), 
?line <<"">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[dotall,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[dotall,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[dotall]))), 
?line <<"">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[multiline,dotall,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[multiline,dotall,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[multiline,dotall]))), 
?line <<"borfle
bib.gif
">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[trim]))), 
?line <<"borfle
bib.gif
:">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[{parts,2}]))), 
?line <<"borfle
bib.gif
:">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[]))), 
?line <<":
:
">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[multiline,trim]))), 
?line <<":
bib.gif
no">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[multiline,{parts,2}]))), 
?line <<":
:
:">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[multiline]))), 
?line <<"">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[dotall,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[dotall,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[dotall]))), 
?line <<"">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[multiline,dotall,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[multiline,dotall,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("borfle
bib.gif
no",".*$",[multiline,dotall]))), 
?line <<"abcde
:1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(.*X|^B)",[trim]))), 
?line <<"abcde
:1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(.*X|^B)",[{parts,2}]))), 
?line <<"abcde
:1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(.*X|^B)",[]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(.*X|^B)",[trim]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(.*X|^B)",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(.*X|^B)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(.*X|^B)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(.*X|^B)",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(.*X|^B)",[]))), 
?line <<"abcde
Bar">> = iolist_to_binary(join(re:split("abcde
Bar","(.*X|^B)",[trim]))), 
?line <<"abcde
Bar">> = iolist_to_binary(join(re:split("abcde
Bar","(.*X|^B)",[{parts,2}]))), 
?line <<"abcde
Bar">> = iolist_to_binary(join(re:split("abcde
Bar","(.*X|^B)",[]))), 
?line <<"abcde
:1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(.*X|^B)",[multiline,trim]))), 
?line <<"abcde
:1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(.*X|^B)",[multiline,{parts,2}]))), 
?line <<"abcde
:1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(.*X|^B)",[multiline]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(.*X|^B)",[multiline,
                                                                                                                                                                            trim]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(.*X|^B)",[multiline,
                                                                                                                                                                              {parts,
                                                                                                                                                                               2}]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(.*X|^B)",[multiline]))), 
?line <<"abcde
:B:ar">> = iolist_to_binary(join(re:split("abcde
Bar","(.*X|^B)",[multiline,trim]))), 
?line <<"abcde
:B:ar">> = iolist_to_binary(join(re:split("abcde
Bar","(.*X|^B)",[multiline,{parts,2}]))), 
?line <<"abcde
:B:ar">> = iolist_to_binary(join(re:split("abcde
Bar","(.*X|^B)",[multiline]))), 
?line <<":abcde
1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(.*X|^B)",[dotall,trim]))), 
?line <<":abcde
1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(.*X|^B)",[dotall,{parts,2}]))), 
?line <<":abcde
1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(.*X|^B)",[dotall]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(.*X|^B)",[dotall,
                                                                                                                                                                            trim]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(.*X|^B)",[dotall,
                                                                                                                                                                              {parts,
                                                                                                                                                                               2}]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(.*X|^B)",[dotall]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(.*X|^B)",[dotall,
                                                                                                                                                                                      trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(.*X|^B)",[dotall,
                                                                                                                                                                                        {parts,
                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(.*X|^B)",[dotall]))), 
?line <<"abcde
Bar">> = iolist_to_binary(join(re:split("abcde
Bar","(.*X|^B)",[dotall,trim]))), 
?line <<"abcde
Bar">> = iolist_to_binary(join(re:split("abcde
Bar","(.*X|^B)",[dotall,{parts,2}]))), 
?line <<"abcde
Bar">> = iolist_to_binary(join(re:split("abcde
Bar","(.*X|^B)",[dotall]))), 
?line <<":abcde
1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(.*X|^B)",[multiline,dotall,trim]))), 
?line <<":abcde
1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(.*X|^B)",[multiline,dotall,{parts,2}]))), 
?line <<":abcde
1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(.*X|^B)",[multiline,dotall]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(.*X|^B)",[multiline,
                                                                                                                                                                             dotall,
                                                                                                                                                                             trim]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(.*X|^B)",[multiline,
                                                                                                                                                                               dotall,
                                                                                                                                                                               {parts,
                                                                                                                                                                                2}]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(.*X|^B)",[multiline,
                                                                                                                                                                                dotall]))), 
?line <<"abcde
:B:ar">> = iolist_to_binary(join(re:split("abcde
Bar","(.*X|^B)",[multiline,dotall,trim]))), 
?line <<"abcde
:B:ar">> = iolist_to_binary(join(re:split("abcde
Bar","(.*X|^B)",[multiline,dotall,{parts,2}]))), 
?line <<"abcde
:B:ar">> = iolist_to_binary(join(re:split("abcde
Bar","(.*X|^B)",[multiline,dotall]))), 
?line <<":abcde
1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(?s)(.*X|^B)",[trim]))), 
?line <<":abcde
1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(?s)(.*X|^B)",[{parts,2}]))), 
?line <<":abcde
1234X:yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(?s)(.*X|^B)",[]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(?s)(.*X|^B)",[trim]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(?s)(.*X|^B)",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":B:arFoo">> = iolist_to_binary(join(re:split("BarFoo","(?s)(.*X|^B)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?s)(.*X|^B)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?s)(.*X|^B)",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?s)(.*X|^B)",[]))), 
?line <<"abcde
Bar">> = iolist_to_binary(join(re:split("abcde
Bar","(?s)(.*X|^B)",[trim]))), 
?line <<"abcde
Bar">> = iolist_to_binary(join(re:split("abcde
Bar","(?s)(.*X|^B)",[{parts,2}]))), 
?line <<"abcde
Bar">> = iolist_to_binary(join(re:split("abcde
Bar","(?s)(.*X|^B)",[]))), 
?line <<":yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(?s:.*X|^B)",[trim]))), 
?line <<":yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(?s:.*X|^B)",[{parts,2}]))), 
?line <<":yz">> = iolist_to_binary(join(re:split("abcde
1234Xyz","(?s:.*X|^B)",[]))), 
?line <<":arFoo">> = iolist_to_binary(join(re:split("BarFoo","(?s:.*X|^B)",[trim]))), 
?line <<":arFoo">> = iolist_to_binary(join(re:split("BarFoo","(?s:.*X|^B)",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":arFoo">> = iolist_to_binary(join(re:split("BarFoo","(?s:.*X|^B)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?s:.*X|^B)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?s:.*X|^B)",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?s:.*X|^B)",[]))), 
?line <<"abcde
Bar">> = iolist_to_binary(join(re:split("abcde
Bar","(?s:.*X|^B)",[trim]))), 
?line <<"abcde
Bar">> = iolist_to_binary(join(re:split("abcde
Bar","(?s:.*X|^B)",[{parts,2}]))), 
?line <<"abcde
Bar">> = iolist_to_binary(join(re:split("abcde
Bar","(?s:.*X|^B)",[]))), 
?line <<"**** Failers">> = iolist_to_binary(join(re:split("**** Failers","^.*B",[trim]))), 
?line <<"**** Failers">> = iolist_to_binary(join(re:split("**** Failers","^.*B",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<"**** Failers">> = iolist_to_binary(join(re:split("**** Failers","^.*B",[]))), 
?line <<"abc
B">> = iolist_to_binary(join(re:split("abc
B","^.*B",[trim]))), 
?line <<"abc
B">> = iolist_to_binary(join(re:split("abc
B","^.*B",[{parts,2}]))), 
?line <<"abc
B">> = iolist_to_binary(join(re:split("abc
B","^.*B",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc
B","(?s)^.*B",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc
B","(?s)^.*B",[{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc
B","(?s)^.*B",[]))), 
?line <<"abc
">> = iolist_to_binary(join(re:split("abc
B","(?m)^.*B",[trim]))), 
?line <<"abc
:">> = iolist_to_binary(join(re:split("abc
B","(?m)^.*B",[{parts,2}]))), 
?line <<"abc
:">> = iolist_to_binary(join(re:split("abc
B","(?m)^.*B",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc
B","(?ms)^.*B",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc
B","(?ms)^.*B",[{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc
B","(?ms)^.*B",[]))), 
?line <<"abc
">> = iolist_to_binary(join(re:split("abc
B","(?ms)^B",[trim]))), 
?line <<"abc
:">> = iolist_to_binary(join(re:split("abc
B","(?ms)^B",[{parts,2}]))), 
?line <<"abc
:">> = iolist_to_binary(join(re:split("abc
B","(?ms)^B",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("B","(?s)B$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("B","(?s)B$",[{parts,
                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("B","(?s)B$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("123456654321","^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("123456654321","^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]",[{parts,
                                                                                                                                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("123456654321","^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("123456654321","^\\d\\d\\d\\d\\d\\d\\d\\d\\d\\d\\d\\d",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("123456654321","^\\d\\d\\d\\d\\d\\d\\d\\d\\d\\d\\d\\d",[{parts,
                                                                                                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("123456654321","^\\d\\d\\d\\d\\d\\d\\d\\d\\d\\d\\d\\d",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("123456654321","^[\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("123456654321","^[\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d]",[{parts,
                                                                                                                                                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("123456654321","^[\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d][\\d]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcabcabcabc","^[abc]{12}",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcabcabcabc","^[abc]{12}",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcabcabcabc","^[abc]{12}",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcabcabcabc","^[a-c]{12}",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcabcabcabc","^[a-c]{12}",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcabcabcabc","^[a-c]{12}",[]))), 
?line <<":c">> = iolist_to_binary(join(re:split("abcabcabcabc","^(a|b|c){12}",[trim]))), 
?line <<":c:">> = iolist_to_binary(join(re:split("abcabcabcabc","^(a|b|c){12}",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<":c:">> = iolist_to_binary(join(re:split("abcabcabcabc","^(a|b|c){12}",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("n","^[abcdefghijklmnopqrstuvwxy0123456789]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("n","^[abcdefghijklmnopqrstuvwxy0123456789]",[{parts,
                                                                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("n","^[abcdefghijklmnopqrstuvwxy0123456789]",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[abcdefghijklmnopqrstuvwxy0123456789]",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[abcdefghijklmnopqrstuvwxy0123456789]",[{parts,
                                                                                                                                                                                                                                                    2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[abcdefghijklmnopqrstuvwxy0123456789]",[]))), 
?line <<"z">> = iolist_to_binary(join(re:split("z","^[abcdefghijklmnopqrstuvwxy0123456789]",[trim]))), 
?line <<"z">> = iolist_to_binary(join(re:split("z","^[abcdefghijklmnopqrstuvwxy0123456789]",[{parts,
                                                                                                                                                                                                                                2}]))), 
?line <<"z">> = iolist_to_binary(join(re:split("z","^[abcdefghijklmnopqrstuvwxy0123456789]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcd","abcde{0,0}",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcd","abcde{0,0}",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcd","abcde{0,0}",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abcde{0,0}",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abcde{0,0}",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abcde{0,0}",[]))), 
?line <<"abce">> = iolist_to_binary(join(re:split("abce","abcde{0,0}",[trim]))), 
?line <<"abce">> = iolist_to_binary(join(re:split("abce","abcde{0,0}",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"abce">> = iolist_to_binary(join(re:split("abce","abcde{0,0}",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abe","ab[cd]{0,0}e",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abe","ab[cd]{0,0}e",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abe","ab[cd]{0,0}e",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab[cd]{0,0}e",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab[cd]{0,0}e",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab[cd]{0,0}e",[]))), 
?line <<"abcde">> = iolist_to_binary(join(re:split("abcde","ab[cd]{0,0}e",[trim]))), 
?line <<"abcde">> = iolist_to_binary(join(re:split("abcde","ab[cd]{0,0}e",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"abcde">> = iolist_to_binary(join(re:split("abcde","ab[cd]{0,0}e",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abd","ab(c){0,0}d",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abd","ab(c){0,0}d",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abd","ab(c){0,0}d",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab(c){0,0}d",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab(c){0,0}d",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab(c){0,0}d",[]))), 
?line <<"abcd">> = iolist_to_binary(join(re:split("abcd","ab(c){0,0}d",[trim]))), 
?line <<"abcd">> = iolist_to_binary(join(re:split("abcd","ab(c){0,0}d",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"abcd">> = iolist_to_binary(join(re:split("abcd","ab(c){0,0}d",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","a(b*)",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","a(b*)",[{parts,
                                                                                                                                                              2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","a(b*)",[]))), 
?line <<":b">> = iolist_to_binary(join(re:split("ab","a(b*)",[trim]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("ab","a(b*)",[{parts,
                                                                                                                                                                2}]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("ab","a(b*)",[]))), 
?line <<":bbbb">> = iolist_to_binary(join(re:split("abbbb","a(b*)",[trim]))), 
?line <<":bbbb:">> = iolist_to_binary(join(re:split("abbbb","a(b*)",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":bbbb:">> = iolist_to_binary(join(re:split("abbbb","a(b*)",[]))), 
?line <<"*** F::ilers">> = iolist_to_binary(join(re:split("*** Failers","a(b*)",[trim]))), 
?line <<"*** F::ilers">> = iolist_to_binary(join(re:split("*** Failers","a(b*)",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<"*** F::ilers">> = iolist_to_binary(join(re:split("*** Failers","a(b*)",[]))), 
?line <<"bbbbb">> = iolist_to_binary(join(re:split("bbbbb","a(b*)",[trim]))), 
?line <<"bbbbb">> = iolist_to_binary(join(re:split("bbbbb","a(b*)",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"bbbbb">> = iolist_to_binary(join(re:split("bbbbb","a(b*)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abe","ab\\d{0}e",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abe","ab\\d{0}e",[{parts,
                                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abe","ab\\d{0}e",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab\\d{0}e",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab\\d{0}e",[{parts,
                                                                                                                                                                                           2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab\\d{0}e",[]))), 
?line <<"ab1e">> = iolist_to_binary(join(re:split("ab1e","ab\\d{0}e",[trim]))), 
?line <<"ab1e">> = iolist_to_binary(join(re:split("ab1e","ab\\d{0}e",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"ab1e">> = iolist_to_binary(join(re:split("ab1e","ab\\d{0}e",[]))), 
?line <<"the :quick: brown fox">> = iolist_to_binary(join(re:split("the \"quick\" brown fox","\"([^\\\\\"]+|\\\\.)*\"",[trim]))), 
?line <<"the :quick: brown fox">> = iolist_to_binary(join(re:split("the \"quick\" brown fox","\"([^\\\\\"]+|\\\\.)*\"",[{parts,
                                                                                                                                                                                                                                                         2}]))), 
?line <<"the :quick: brown fox">> = iolist_to_binary(join(re:split("the \"quick\" brown fox","\"([^\\\\\"]+|\\\\.)*\"",[]))), 
?line <<": brown fox">> = iolist_to_binary(join(re:split("\"the \\\"quick\\\" brown fox\"","\"([^\\\\\"]+|\\\\.)*\"",[trim]))), 
?line <<": brown fox:">> = iolist_to_binary(join(re:split("\"the \\\"quick\\\" brown fox\"","\"([^\\\\\"]+|\\\\.)*\"",[{parts,
                                                                                                                                                                                                                                                                                 2}]))), 
?line <<": brown fox:">> = iolist_to_binary(join(re:split("\"the \\\"quick\\\" brown fox\"","\"([^\\\\\"]+|\\\\.)*\"",[]))), 
?line <<"a:b:c">> = iolist_to_binary(join(re:split("abc","",[trim]))), 
?line <<"a:bc">> = iolist_to_binary(join(re:split("abc","",[{parts,
                                                                                                                                                        2}]))), 
?line <<"a:b:c:">> = iolist_to_binary(join(re:split("abc","",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("acb","a[^a]b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("acb","a[^a]b",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("acb","a[^a]b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a
b","a[^a]b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a
b","a[^a]b",[{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a
b","a[^a]b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("acb","a.b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("acb","a.b",[{parts,
                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("acb","a.b",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a.b",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a.b",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a.b",[]))), 
?line <<"a
b">> = iolist_to_binary(join(re:split("a
b","a.b",[trim]))), 
?line <<"a
b">> = iolist_to_binary(join(re:split("a
b","a.b",[{parts,2}]))), 
?line <<"a
b">> = iolist_to_binary(join(re:split("a
b","a.b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("acb","a[^a]b",[dotall,
                                                                                                                                                                  trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("acb","a[^a]b",[dotall,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("acb","a[^a]b",[dotall]))), 
?line <<"">> = iolist_to_binary(join(re:split("a
b","a[^a]b",[dotall,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a
b","a[^a]b",[dotall,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a
b","a[^a]b",[dotall]))), 
?line <<"">> = iolist_to_binary(join(re:split("acb","a.b",[dotall,
                                                                                                                                                            trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("acb","a.b",[dotall,
                                                                                                                                                              {parts,
                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("acb","a.b",[dotall]))), 
?line <<"">> = iolist_to_binary(join(re:split("a
b","a.b",[dotall,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a
b","a.b",[dotall,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a
b","a.b",[dotall]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bac","^(b+?|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bac","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bac","^(b+?|a){1,2}?c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bbac","^(b+?|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbac","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbac","^(b+?|a){1,2}?c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bbbac","^(b+?|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbac","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbac","^(b+?|a){1,2}?c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bbbbac","^(b+?|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbbac","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbbac","^(b+?|a){1,2}?c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bbbbbac","^(b+?|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbbbac","^(b+?|a){1,2}?c",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbbbac","^(b+?|a){1,2}?c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bac","^(b+|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bac","^(b+|a){1,2}?c",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bac","^(b+|a){1,2}?c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bbac","^(b+|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbac","^(b+|a){1,2}?c",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbac","^(b+|a){1,2}?c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bbbac","^(b+|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbac","^(b+|a){1,2}?c",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbac","^(b+|a){1,2}?c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bbbbac","^(b+|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbbac","^(b+|a){1,2}?c",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbbac","^(b+|a){1,2}?c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("bbbbbac","^(b+|a){1,2}?c",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbbbac","^(b+|a){1,2}?c",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("bbbbbac","^(b+|a){1,2}?c",[]))), 
?line <<"x
b">> = iolist_to_binary(join(re:split("x
b","(?!\\A)x",[multiline,trim]))), 
?line <<"x
b">> = iolist_to_binary(join(re:split("x
b","(?!\\A)x",[multiline,{parts,2}]))), 
?line <<"x
b">> = iolist_to_binary(join(re:split("x
b","(?!\\A)x",[multiline]))), 
?line <<"a">> = iolist_to_binary(join(re:split("ax","(?!\\A)x",[multiline,
                                                                                                                                                                       trim]))), 
?line <<"a:">> = iolist_to_binary(join(re:split("ax","(?!\\A)x",[multiline,
                                                                                                                                                                         {parts,
                                                                                                                                                                          2}]))), 
?line <<"a:">> = iolist_to_binary(join(re:split("ax","(?!\\A)x",[multiline]))), 
?line <<"{ab}">> = iolist_to_binary(join(re:split("{ab}","\\x0{ab}",[trim]))), 
?line <<"{ab}">> = iolist_to_binary(join(re:split("{ab}","\\x0{ab}",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"{ab}">> = iolist_to_binary(join(re:split("{ab}","\\x0{ab}",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("CD","(A|B)*?CD",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("CD","(A|B)*?CD",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("CD","(A|B)*?CD",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("CD","(A|B)*CD",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("CD","(A|B)*CD",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("CD","(A|B)*CD",[]))), 
?line <<":AB:AB">> = iolist_to_binary(join(re:split("ABABAB","(AB)*?\\1",[trim]))), 
?line <<":AB:AB">> = iolist_to_binary(join(re:split("ABABAB","(AB)*?\\1",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<":AB:AB">> = iolist_to_binary(join(re:split("ABABAB","(AB)*?\\1",[]))), 
?line <<":AB">> = iolist_to_binary(join(re:split("ABABAB","(AB)*\\1",[trim]))), 
?line <<":AB:">> = iolist_to_binary(join(re:split("ABABAB","(AB)*\\1",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":AB:">> = iolist_to_binary(join(re:split("ABABAB","(AB)*\\1",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("foo","(?<!bar)foo",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("foo","(?<!bar)foo",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("foo","(?<!bar)foo",[]))), 
?line <<"cat:d">> = iolist_to_binary(join(re:split("catfood","(?<!bar)foo",[trim]))), 
?line <<"cat:d">> = iolist_to_binary(join(re:split("catfood","(?<!bar)foo",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<"cat:d">> = iolist_to_binary(join(re:split("catfood","(?<!bar)foo",[]))), 
?line <<"ar:tle">> = iolist_to_binary(join(re:split("arfootle","(?<!bar)foo",[trim]))), 
?line <<"ar:tle">> = iolist_to_binary(join(re:split("arfootle","(?<!bar)foo",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<"ar:tle">> = iolist_to_binary(join(re:split("arfootle","(?<!bar)foo",[]))), 
?line <<"r:sh">> = iolist_to_binary(join(re:split("rfoosh","(?<!bar)foo",[trim]))), 
?line <<"r:sh">> = iolist_to_binary(join(re:split("rfoosh","(?<!bar)foo",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"r:sh">> = iolist_to_binary(join(re:split("rfoosh","(?<!bar)foo",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<!bar)foo",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<!bar)foo",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<!bar)foo",[]))), 
?line <<"barfoo">> = iolist_to_binary(join(re:split("barfoo","(?<!bar)foo",[trim]))), 
?line <<"barfoo">> = iolist_to_binary(join(re:split("barfoo","(?<!bar)foo",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"barfoo">> = iolist_to_binary(join(re:split("barfoo","(?<!bar)foo",[]))), 
?line <<"towbarfoo">> = iolist_to_binary(join(re:split("towbarfoo","(?<!bar)foo",[trim]))), 
?line <<"towbarfoo">> = iolist_to_binary(join(re:split("towbarfoo","(?<!bar)foo",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"towbarfoo">> = iolist_to_binary(join(re:split("towbarfoo","(?<!bar)foo",[]))), 
?line <<":d">> = iolist_to_binary(join(re:split("catfood","\\w{3}(?<!bar)foo",[trim]))), 
?line <<":d">> = iolist_to_binary(join(re:split("catfood","\\w{3}(?<!bar)foo",[{parts,
                                                                                                                                                                                                   2}]))), 
?line <<":d">> = iolist_to_binary(join(re:split("catfood","\\w{3}(?<!bar)foo",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\w{3}(?<!bar)foo",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\w{3}(?<!bar)foo",[{parts,
                                                                                                                                                                                                           2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\w{3}(?<!bar)foo",[]))), 
?line <<"foo">> = iolist_to_binary(join(re:split("foo","\\w{3}(?<!bar)foo",[trim]))), 
?line <<"foo">> = iolist_to_binary(join(re:split("foo","\\w{3}(?<!bar)foo",[{parts,
                                                                                                                                                                                           2}]))), 
?line <<"foo">> = iolist_to_binary(join(re:split("foo","\\w{3}(?<!bar)foo",[]))), 
?line <<"barfoo">> = iolist_to_binary(join(re:split("barfoo","\\w{3}(?<!bar)foo",[trim]))), 
?line <<"barfoo">> = iolist_to_binary(join(re:split("barfoo","\\w{3}(?<!bar)foo",[{parts,
                                                                                                                                                                                                 2}]))), 
?line <<"barfoo">> = iolist_to_binary(join(re:split("barfoo","\\w{3}(?<!bar)foo",[]))), 
?line <<"towbarfoo">> = iolist_to_binary(join(re:split("towbarfoo","\\w{3}(?<!bar)foo",[trim]))), 
?line <<"towbarfoo">> = iolist_to_binary(join(re:split("towbarfoo","\\w{3}(?<!bar)foo",[{parts,
                                                                                                                                                                                                       2}]))), 
?line <<"towbarfoo">> = iolist_to_binary(join(re:split("towbarfoo","\\w{3}(?<!bar)foo",[]))), 
?line <<"fooa:foo">> = iolist_to_binary(join(re:split("fooabar","(?<=(foo)a)bar",[trim]))), 
?line <<"fooa:foo:">> = iolist_to_binary(join(re:split("fooabar","(?<=(foo)a)bar",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<"fooa:foo:">> = iolist_to_binary(join(re:split("fooabar","(?<=(foo)a)bar",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=(foo)a)bar",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=(foo)a)bar",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=(foo)a)bar",[]))), 
?line <<"bar">> = iolist_to_binary(join(re:split("bar","(?<=(foo)a)bar",[trim]))), 
?line <<"bar">> = iolist_to_binary(join(re:split("bar","(?<=(foo)a)bar",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"bar">> = iolist_to_binary(join(re:split("bar","(?<=(foo)a)bar",[]))), 
?line <<"foobbar">> = iolist_to_binary(join(re:split("foobbar","(?<=(foo)a)bar",[trim]))), 
?line <<"foobbar">> = iolist_to_binary(join(re:split("foobbar","(?<=(foo)a)bar",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<"foobbar">> = iolist_to_binary(join(re:split("foobbar","(?<=(foo)a)bar",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","\\Aabc\\z",[multiline,
                                                                                                                                                                          trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","\\Aabc\\z",[multiline,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","\\Aabc\\z",[multiline]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\Aabc\\z",[multiline,
                                                                                                                                                                                          trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\Aabc\\z",[multiline,
                                                                                                                                                                                            {parts,
                                                                                                                                                                                             2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\Aabc\\z",[multiline]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","\\Aabc\\z",[multiline,
                                                                                                                                                                          trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","\\Aabc\\z",[multiline,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","\\Aabc\\z",[multiline]))), 
?line <<"qqq
abc">> = iolist_to_binary(join(re:split("qqq
abc","\\Aabc\\z",[multiline,trim]))), 
?line <<"qqq
abc">> = iolist_to_binary(join(re:split("qqq
abc","\\Aabc\\z",[multiline,{parts,2}]))), 
?line <<"qqq
abc">> = iolist_to_binary(join(re:split("qqq
abc","\\Aabc\\z",[multiline]))), 
?line <<"abc
zzz">> = iolist_to_binary(join(re:split("abc
zzz","\\Aabc\\z",[multiline,trim]))), 
?line <<"abc
zzz">> = iolist_to_binary(join(re:split("abc
zzz","\\Aabc\\z",[multiline,{parts,2}]))), 
?line <<"abc
zzz">> = iolist_to_binary(join(re:split("abc
zzz","\\Aabc\\z",[multiline]))), 
?line <<"qqq
abc
zzz">> = iolist_to_binary(join(re:split("qqq
abc
zzz","\\Aabc\\z",[multiline,trim]))), 
?line <<"qqq
abc
zzz">> = iolist_to_binary(join(re:split("qqq
abc
zzz","\\Aabc\\z",[multiline,{parts,2}]))), 
?line <<"qqq
abc
zzz">> = iolist_to_binary(join(re:split("qqq
abc
zzz","\\Aabc\\z",[multiline]))), 
?line <<"1:.23">> = iolist_to_binary(join(re:split("1.230003938","(?>(\\.\\d\\d[1-9]?))\\d+",[trim]))), 
?line <<"1:.23:">> = iolist_to_binary(join(re:split("1.230003938","(?>(\\.\\d\\d[1-9]?))\\d+",[{parts,
                                                                                                                                                                                                                              2}]))), 
?line <<"1:.23:">> = iolist_to_binary(join(re:split("1.230003938","(?>(\\.\\d\\d[1-9]?))\\d+",[]))), 
?line <<"1:.875">> = iolist_to_binary(join(re:split("1.875000282","(?>(\\.\\d\\d[1-9]?))\\d+",[trim]))), 
?line <<"1:.875:">> = iolist_to_binary(join(re:split("1.875000282","(?>(\\.\\d\\d[1-9]?))\\d+",[{parts,
                                                                                                                                                                                                                              2}]))), 
?line <<"1:.875:">> = iolist_to_binary(join(re:split("1.875000282","(?>(\\.\\d\\d[1-9]?))\\d+",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?>(\\.\\d\\d[1-9]?))\\d+",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?>(\\.\\d\\d[1-9]?))\\d+",[{parts,
                                                                                                                                                                                                                              2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?>(\\.\\d\\d[1-9]?))\\d+",[]))), 
?line <<"1.235">> = iolist_to_binary(join(re:split("1.235","(?>(\\.\\d\\d[1-9]?))\\d+",[trim]))), 
?line <<"1.235">> = iolist_to_binary(join(re:split("1.235","(?>(\\.\\d\\d[1-9]?))\\d+",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<"1.235">> = iolist_to_binary(join(re:split("1.235","(?>(\\.\\d\\d[1-9]?))\\d+",[]))), 
?line <<":party">> = iolist_to_binary(join(re:split("now is the time for all good men to come to the aid of the party","^((?>\\w+)|(?>\\s+))*$",[trim]))), 
?line <<":party:">> = iolist_to_binary(join(re:split("now is the time for all good men to come to the aid of the party","^((?>\\w+)|(?>\\s+))*$",[{parts,
                                                                                                                                                                                                                                                                                                                                 2}]))), 
?line <<":party:">> = iolist_to_binary(join(re:split("now is the time for all good men to come to the aid of the party","^((?>\\w+)|(?>\\s+))*$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^((?>\\w+)|(?>\\s+))*$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^((?>\\w+)|(?>\\s+))*$",[{parts,
                                                                                                                                                                                                                       2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^((?>\\w+)|(?>\\s+))*$",[]))), 
?line <<"this is not a line with only words and spaces!">> = iolist_to_binary(join(re:split("this is not a line with only words and spaces!","^((?>\\w+)|(?>\\s+))*$",[trim]))), 
?line <<"this is not a line with only words and spaces!">> = iolist_to_binary(join(re:split("this is not a line with only words and spaces!","^((?>\\w+)|(?>\\s+))*$",[{parts,
                                                                                                                                                                                                                                                                                             2}]))), 
?line <<"this is not a line with only words and spaces!">> = iolist_to_binary(join(re:split("this is not a line with only words and spaces!","^((?>\\w+)|(?>\\s+))*$",[]))), 
?line <<":12345:a">> = iolist_to_binary(join(re:split("12345a","(\\d+)(\\w)",[trim]))), 
?line <<":12345:a:">> = iolist_to_binary(join(re:split("12345a","(\\d+)(\\w)",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":12345:a:">> = iolist_to_binary(join(re:split("12345a","(\\d+)(\\w)",[]))), 
?line <<":1234:5:+">> = iolist_to_binary(join(re:split("12345+","(\\d+)(\\w)",[trim]))), 
?line <<":1234:5:+">> = iolist_to_binary(join(re:split("12345+","(\\d+)(\\w)",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":1234:5:+">> = iolist_to_binary(join(re:split("12345+","(\\d+)(\\w)",[]))), 
?line <<":12345:a">> = iolist_to_binary(join(re:split("12345a","((?>\\d+))(\\w)",[trim]))), 
?line <<":12345:a:">> = iolist_to_binary(join(re:split("12345a","((?>\\d+))(\\w)",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<":12345:a:">> = iolist_to_binary(join(re:split("12345a","((?>\\d+))(\\w)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","((?>\\d+))(\\w)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","((?>\\d+))(\\w)",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","((?>\\d+))(\\w)",[]))), 
?line <<"12345+">> = iolist_to_binary(join(re:split("12345+","((?>\\d+))(\\w)",[trim]))), 
?line <<"12345+">> = iolist_to_binary(join(re:split("12345+","((?>\\d+))(\\w)",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"12345+">> = iolist_to_binary(join(re:split("12345+","((?>\\d+))(\\w)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaab","(?>a+)b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaab","(?>a+)b",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaab","(?>a+)b",[]))), 
?line <<":aaab">> = iolist_to_binary(join(re:split("aaab","((?>a+)b)",[trim]))), 
?line <<":aaab:">> = iolist_to_binary(join(re:split("aaab","((?>a+)b)",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":aaab:">> = iolist_to_binary(join(re:split("aaab","((?>a+)b)",[]))), 
?line <<":aaa">> = iolist_to_binary(join(re:split("aaab","(?>(a+))b",[trim]))), 
?line <<":aaa:">> = iolist_to_binary(join(re:split("aaab","(?>(a+))b",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":aaa:">> = iolist_to_binary(join(re:split("aaab","(?>(a+))b",[]))), 
?line <<"aaa:ccc">> = iolist_to_binary(join(re:split("aaabbbccc","(?>b)+",[trim]))), 
?line <<"aaa:ccc">> = iolist_to_binary(join(re:split("aaabbbccc","(?>b)+",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"aaa:ccc">> = iolist_to_binary(join(re:split("aaabbbccc","(?>b)+",[]))), 
?line <<"::::d">> = iolist_to_binary(join(re:split("aaabbbbccccd","(?>a+|b+|c+)*c",[trim]))), 
?line <<":cccd">> = iolist_to_binary(join(re:split("aaabbbbccccd","(?>a+|b+|c+)*c",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<"::::d">> = iolist_to_binary(join(re:split("aaabbbbccccd","(?>a+|b+|c+)*c",[]))), 
?line <<"((:x">> = iolist_to_binary(join(re:split("((abc(ade)ufh()()x","((?>[^()]+)|\\([^()]*\\))+",[trim]))), 
?line <<"((:x:">> = iolist_to_binary(join(re:split("((abc(ade)ufh()()x","((?>[^()]+)|\\([^()]*\\))+",[{parts,
                                                                                                                                                                                                                                            2}]))), 
?line <<"((:x:">> = iolist_to_binary(join(re:split("((abc(ade)ufh()()x","((?>[^()]+)|\\([^()]*\\))+",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("(abc)","\\(((?>[^()]+)|\\([^()]+\\))+\\)",[trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("(abc)","\\(((?>[^()]+)|\\([^()]+\\))+\\)",[{parts,
                                                                                                                                                                                                                                2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("(abc)","\\(((?>[^()]+)|\\([^()]+\\))+\\)",[]))), 
?line <<":xyz">> = iolist_to_binary(join(re:split("(abc(def)xyz)","\\(((?>[^()]+)|\\([^()]+\\))+\\)",[trim]))), 
?line <<":xyz:">> = iolist_to_binary(join(re:split("(abc(def)xyz)","\\(((?>[^()]+)|\\([^()]+\\))+\\)",[{parts,
                                                                                                                                                                                                                                                2}]))), 
?line <<":xyz:">> = iolist_to_binary(join(re:split("(abc(def)xyz)","\\(((?>[^()]+)|\\([^()]+\\))+\\)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\(((?>[^()]+)|\\([^()]+\\))+\\)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\(((?>[^()]+)|\\([^()]+\\))+\\)",[{parts,
                                                                                                                                                                                                                                            2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\(((?>[^()]+)|\\([^()]+\\))+\\)",[]))), 
?line <<"((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","\\(((?>[^()]+)|\\([^()]+\\))+\\)",[trim]))), 
?line <<"((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","\\(((?>[^()]+)|\\([^()]+\\))+\\)",[{parts,
                                                                                                                                                                                                                                                                                                                      2}]))), 
?line <<"((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","\\(((?>[^()]+)|\\([^()]+\\))+\\)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab","a(?-i)b",[caseless,
                                                                                                                                                                  trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","a(?-i)b",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","a(?-i)b",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("Ab","a(?-i)b",[caseless,
                                                                                                                                                                  trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("Ab","a(?-i)b",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("Ab","a(?-i)b",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?-i)b",[caseless,
                                                                                                                                                                                    trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?-i)b",[caseless,
                                                                                                                                                                                      {parts,
                                                                                                                                                                                       2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?-i)b",[caseless]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","a(?-i)b",[caseless,
                                                                                                                                                                  trim]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","a(?-i)b",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","a(?-i)b",[caseless]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","a(?-i)b",[caseless,
                                                                                                                                                                  trim]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","a(?-i)b",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","a(?-i)b",[caseless]))), 
?line <<":a bc">> = iolist_to_binary(join(re:split("a bcd e","(a (?x)b c)d e",[trim]))), 
?line <<":a bc:">> = iolist_to_binary(join(re:split("a bcd e","(a (?x)b c)d e",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":a bc:">> = iolist_to_binary(join(re:split("a bcd e","(a (?x)b c)d e",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a (?x)b c)d e",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a (?x)b c)d e",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a (?x)b c)d e",[]))), 
?line <<"a b cd e">> = iolist_to_binary(join(re:split("a b cd e","(a (?x)b c)d e",[trim]))), 
?line <<"a b cd e">> = iolist_to_binary(join(re:split("a b cd e","(a (?x)b c)d e",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"a b cd e">> = iolist_to_binary(join(re:split("a b cd e","(a (?x)b c)d e",[]))), 
?line <<"abcd e">> = iolist_to_binary(join(re:split("abcd e","(a (?x)b c)d e",[trim]))), 
?line <<"abcd e">> = iolist_to_binary(join(re:split("abcd e","(a (?x)b c)d e",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"abcd e">> = iolist_to_binary(join(re:split("abcd e","(a (?x)b c)d e",[]))), 
?line <<"a bcde">> = iolist_to_binary(join(re:split("a bcde","(a (?x)b c)d e",[trim]))), 
?line <<"a bcde">> = iolist_to_binary(join(re:split("a bcde","(a (?x)b c)d e",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"a bcde">> = iolist_to_binary(join(re:split("a bcde","(a (?x)b c)d e",[]))), 
?line <<":a bcde f">> = iolist_to_binary(join(re:split("a bcde f","(a b(?x)c d (?-x)e f)",[trim]))), 
?line <<":a bcde f:">> = iolist_to_binary(join(re:split("a bcde f","(a b(?x)c d (?-x)e f)",[{parts,
                                                                                                                                                                                                            2}]))), 
?line <<":a bcde f:">> = iolist_to_binary(join(re:split("a bcde f","(a b(?x)c d (?-x)e f)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a b(?x)c d (?-x)e f)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a b(?x)c d (?-x)e f)",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a b(?x)c d (?-x)e f)",[]))), 
?line <<"abcdef">> = iolist_to_binary(join(re:split("abcdef","(a b(?x)c d (?-x)e f)",[trim]))), 
?line <<"abcdef">> = iolist_to_binary(join(re:split("abcdef","(a b(?x)c d (?-x)e f)",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<"abcdef">> = iolist_to_binary(join(re:split("abcdef","(a b(?x)c d (?-x)e f)",[]))), 
?line <<":ab">> = iolist_to_binary(join(re:split("abc","(a(?i)b)c",[trim]))), 
?line <<":ab:">> = iolist_to_binary(join(re:split("abc","(a(?i)b)c",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":ab:">> = iolist_to_binary(join(re:split("abc","(a(?i)b)c",[]))), 
?line <<":aB">> = iolist_to_binary(join(re:split("aBc","(a(?i)b)c",[trim]))), 
?line <<":aB:">> = iolist_to_binary(join(re:split("aBc","(a(?i)b)c",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":aB:">> = iolist_to_binary(join(re:split("aBc","(a(?i)b)c",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a(?i)b)c",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a(?i)b)c",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a(?i)b)c",[]))), 
?line <<"abC">> = iolist_to_binary(join(re:split("abC","(a(?i)b)c",[trim]))), 
?line <<"abC">> = iolist_to_binary(join(re:split("abC","(a(?i)b)c",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"abC">> = iolist_to_binary(join(re:split("abC","(a(?i)b)c",[]))), 
?line <<"aBC">> = iolist_to_binary(join(re:split("aBC","(a(?i)b)c",[trim]))), 
?line <<"aBC">> = iolist_to_binary(join(re:split("aBC","(a(?i)b)c",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"aBC">> = iolist_to_binary(join(re:split("aBC","(a(?i)b)c",[]))), 
?line <<"Abc">> = iolist_to_binary(join(re:split("Abc","(a(?i)b)c",[trim]))), 
?line <<"Abc">> = iolist_to_binary(join(re:split("Abc","(a(?i)b)c",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"Abc">> = iolist_to_binary(join(re:split("Abc","(a(?i)b)c",[]))), 
?line <<"ABc">> = iolist_to_binary(join(re:split("ABc","(a(?i)b)c",[trim]))), 
?line <<"ABc">> = iolist_to_binary(join(re:split("ABc","(a(?i)b)c",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"ABc">> = iolist_to_binary(join(re:split("ABc","(a(?i)b)c",[]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","(a(?i)b)c",[trim]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","(a(?i)b)c",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","(a(?i)b)c",[]))), 
?line <<"AbC">> = iolist_to_binary(join(re:split("AbC","(a(?i)b)c",[trim]))), 
?line <<"AbC">> = iolist_to_binary(join(re:split("AbC","(a(?i)b)c",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"AbC">> = iolist_to_binary(join(re:split("AbC","(a(?i)b)c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","a(?i:b)c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","a(?i:b)c",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","a(?i:b)c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aBc","a(?i:b)c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aBc","a(?i:b)c",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aBc","a(?i:b)c",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?i:b)c",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?i:b)c",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?i:b)c",[]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","a(?i:b)c",[trim]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","a(?i:b)c",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","a(?i:b)c",[]))), 
?line <<"abC">> = iolist_to_binary(join(re:split("abC","a(?i:b)c",[trim]))), 
?line <<"abC">> = iolist_to_binary(join(re:split("abC","a(?i:b)c",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"abC">> = iolist_to_binary(join(re:split("abC","a(?i:b)c",[]))), 
?line <<"aBC">> = iolist_to_binary(join(re:split("aBC","a(?i:b)c",[trim]))), 
?line <<"aBC">> = iolist_to_binary(join(re:split("aBC","a(?i:b)c",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"aBC">> = iolist_to_binary(join(re:split("aBC","a(?i:b)c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aBc","a(?i:b)*c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aBc","a(?i:b)*c",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aBc","a(?i:b)*c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aBBc","a(?i:b)*c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aBBc","a(?i:b)*c",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aBBc","a(?i:b)*c",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?i:b)*c",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?i:b)*c",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?i:b)*c",[]))), 
?line <<"aBC">> = iolist_to_binary(join(re:split("aBC","a(?i:b)*c",[trim]))), 
?line <<"aBC">> = iolist_to_binary(join(re:split("aBC","a(?i:b)*c",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"aBC">> = iolist_to_binary(join(re:split("aBC","a(?i:b)*c",[]))), 
?line <<"aBBC">> = iolist_to_binary(join(re:split("aBBC","a(?i:b)*c",[trim]))), 
?line <<"aBBC">> = iolist_to_binary(join(re:split("aBBC","a(?i:b)*c",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"aBBC">> = iolist_to_binary(join(re:split("aBBC","a(?i:b)*c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcd","a(?=b(?i)c)\\w\\wd",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcd","a(?=b(?i)c)\\w\\wd",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcd","a(?=b(?i)c)\\w\\wd",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abCd","a(?=b(?i)c)\\w\\wd",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abCd","a(?=b(?i)c)\\w\\wd",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abCd","a(?=b(?i)c)\\w\\wd",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?=b(?i)c)\\w\\wd",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?=b(?i)c)\\w\\wd",[{parts,
                                                                                                                                                                                                              2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?=b(?i)c)\\w\\wd",[]))), 
?line <<"aBCd">> = iolist_to_binary(join(re:split("aBCd","a(?=b(?i)c)\\w\\wd",[trim]))), 
?line <<"aBCd">> = iolist_to_binary(join(re:split("aBCd","a(?=b(?i)c)\\w\\wd",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<"aBCd">> = iolist_to_binary(join(re:split("aBCd","a(?=b(?i)c)\\w\\wd",[]))), 
?line <<"abcD">> = iolist_to_binary(join(re:split("abcD","a(?=b(?i)c)\\w\\wd",[trim]))), 
?line <<"abcD">> = iolist_to_binary(join(re:split("abcD","a(?=b(?i)c)\\w\\wd",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<"abcD">> = iolist_to_binary(join(re:split("abcD","a(?=b(?i)c)\\w\\wd",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("more than million","(?s-i:more.*than).*million",[caseless,
                                                                                                                                                                                                                                      trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("more than million","(?s-i:more.*than).*million",[caseless,
                                                                                                                                                                                                                                        {parts,
                                                                                                                                                                                                                                         2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("more than million","(?s-i:more.*than).*million",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("more than MILLION","(?s-i:more.*than).*million",[caseless,
                                                                                                                                                                                                                                      trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("more than MILLION","(?s-i:more.*than).*million",[caseless,
                                                                                                                                                                                                                                        {parts,
                                                                                                                                                                                                                                         2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("more than MILLION","(?s-i:more.*than).*million",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("more 
 than Million","(?s-i:more.*than).*million",[caseless,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("more 
 than Million","(?s-i:more.*than).*million",[caseless,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("more 
 than Million","(?s-i:more.*than).*million",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?s-i:more.*than).*million",[caseless,
                                                                                                                                                                                                                          trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?s-i:more.*than).*million",[caseless,
                                                                                                                                                                                                                            {parts,
                                                                                                                                                                                                                             2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?s-i:more.*than).*million",[caseless]))), 
?line <<"MORE THAN MILLION">> = iolist_to_binary(join(re:split("MORE THAN MILLION","(?s-i:more.*than).*million",[caseless,
                                                                                                                                                                                                                                      trim]))), 
?line <<"MORE THAN MILLION">> = iolist_to_binary(join(re:split("MORE THAN MILLION","(?s-i:more.*than).*million",[caseless,
                                                                                                                                                                                                                                        {parts,
                                                                                                                                                                                                                                         2}]))), 
?line <<"MORE THAN MILLION">> = iolist_to_binary(join(re:split("MORE THAN MILLION","(?s-i:more.*than).*million",[caseless]))), 
?line <<"more 
 than 
 million">> = iolist_to_binary(join(re:split("more 
 than 
 million","(?s-i:more.*than).*million",[caseless,trim]))), 
?line <<"more 
 than 
 million">> = iolist_to_binary(join(re:split("more 
 than 
 million","(?s-i:more.*than).*million",[caseless,{parts,2}]))), 
?line <<"more 
 than 
 million">> = iolist_to_binary(join(re:split("more 
 than 
 million","(?s-i:more.*than).*million",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("more than million","(?:(?s-i)more.*than).*million",[caseless,
                                                                                                                                                                                                                                            trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("more than million","(?:(?s-i)more.*than).*million",[caseless,
                                                                                                                                                                                                                                              {parts,
                                                                                                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("more than million","(?:(?s-i)more.*than).*million",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("more than MILLION","(?:(?s-i)more.*than).*million",[caseless,
                                                                                                                                                                                                                                            trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("more than MILLION","(?:(?s-i)more.*than).*million",[caseless,
                                                                                                                                                                                                                                              {parts,
                                                                                                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("more than MILLION","(?:(?s-i)more.*than).*million",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("more 
 than Million","(?:(?s-i)more.*than).*million",[caseless,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("more 
 than Million","(?:(?s-i)more.*than).*million",[caseless,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("more 
 than Million","(?:(?s-i)more.*than).*million",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(?s-i)more.*than).*million",[caseless,
                                                                                                                                                                                                                                trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(?s-i)more.*than).*million",[caseless,
                                                                                                                                                                                                                                  {parts,
                                                                                                                                                                                                                                   2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(?s-i)more.*than).*million",[caseless]))), 
?line <<"MORE THAN MILLION">> = iolist_to_binary(join(re:split("MORE THAN MILLION","(?:(?s-i)more.*than).*million",[caseless,
                                                                                                                                                                                                                                            trim]))), 
?line <<"MORE THAN MILLION">> = iolist_to_binary(join(re:split("MORE THAN MILLION","(?:(?s-i)more.*than).*million",[caseless,
                                                                                                                                                                                                                                              {parts,
                                                                                                                                                                                                                                               2}]))), 
?line <<"MORE THAN MILLION">> = iolist_to_binary(join(re:split("MORE THAN MILLION","(?:(?s-i)more.*than).*million",[caseless]))), 
?line <<"more 
 than 
 million">> = iolist_to_binary(join(re:split("more 
 than 
 million","(?:(?s-i)more.*than).*million",[caseless,trim]))), 
?line <<"more 
 than 
 million">> = iolist_to_binary(join(re:split("more 
 than 
 million","(?:(?s-i)more.*than).*million",[caseless,{parts,2}]))), 
?line <<"more 
 than 
 million">> = iolist_to_binary(join(re:split("more 
 than 
 million","(?:(?s-i)more.*than).*million",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","(?>a(?i)b+)+c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","(?>a(?i)b+)+c",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","(?>a(?i)b+)+c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aBbc","(?>a(?i)b+)+c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aBbc","(?>a(?i)b+)+c",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aBbc","(?>a(?i)b+)+c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aBBc","(?>a(?i)b+)+c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aBBc","(?>a(?i)b+)+c",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aBBc","(?>a(?i)b+)+c",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?>a(?i)b+)+c",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?>a(?i)b+)+c",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?>a(?i)b+)+c",[]))), 
?line <<"Abc">> = iolist_to_binary(join(re:split("Abc","(?>a(?i)b+)+c",[trim]))), 
?line <<"Abc">> = iolist_to_binary(join(re:split("Abc","(?>a(?i)b+)+c",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<"Abc">> = iolist_to_binary(join(re:split("Abc","(?>a(?i)b+)+c",[]))), 
?line <<"abAb">> = iolist_to_binary(join(re:split("abAb","(?>a(?i)b+)+c",[trim]))), 
?line <<"abAb">> = iolist_to_binary(join(re:split("abAb","(?>a(?i)b+)+c",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"abAb">> = iolist_to_binary(join(re:split("abAb","(?>a(?i)b+)+c",[]))), 
?line <<"abbC">> = iolist_to_binary(join(re:split("abbC","(?>a(?i)b+)+c",[trim]))), 
?line <<"abbC">> = iolist_to_binary(join(re:split("abbC","(?>a(?i)b+)+c",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"abbC">> = iolist_to_binary(join(re:split("abbC","(?>a(?i)b+)+c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","(?=a(?i)b)\\w\\wc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","(?=a(?i)b)\\w\\wc",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","(?=a(?i)b)\\w\\wc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aBc","(?=a(?i)b)\\w\\wc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aBc","(?=a(?i)b)\\w\\wc",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aBc","(?=a(?i)b)\\w\\wc",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?=a(?i)b)\\w\\wc",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?=a(?i)b)\\w\\wc",[{parts,
                                                                                                                                                                                                            2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?=a(?i)b)\\w\\wc",[]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?=a(?i)b)\\w\\wc",[trim]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?=a(?i)b)\\w\\wc",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?=a(?i)b)\\w\\wc",[]))), 
?line <<"abC">> = iolist_to_binary(join(re:split("abC","(?=a(?i)b)\\w\\wc",[trim]))), 
?line <<"abC">> = iolist_to_binary(join(re:split("abC","(?=a(?i)b)\\w\\wc",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<"abC">> = iolist_to_binary(join(re:split("abC","(?=a(?i)b)\\w\\wc",[]))), 
?line <<"aBC">> = iolist_to_binary(join(re:split("aBC","(?=a(?i)b)\\w\\wc",[trim]))), 
?line <<"aBC">> = iolist_to_binary(join(re:split("aBC","(?=a(?i)b)\\w\\wc",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<"aBC">> = iolist_to_binary(join(re:split("aBC","(?=a(?i)b)\\w\\wc",[]))), 
?line <<"ab:xx">> = iolist_to_binary(join(re:split("abxxc","(?<=a(?i)b)(\\w\\w)c",[trim]))), 
?line <<"ab:xx:">> = iolist_to_binary(join(re:split("abxxc","(?<=a(?i)b)(\\w\\w)c",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<"ab:xx:">> = iolist_to_binary(join(re:split("abxxc","(?<=a(?i)b)(\\w\\w)c",[]))), 
?line <<"aB:xx">> = iolist_to_binary(join(re:split("aBxxc","(?<=a(?i)b)(\\w\\w)c",[trim]))), 
?line <<"aB:xx:">> = iolist_to_binary(join(re:split("aBxxc","(?<=a(?i)b)(\\w\\w)c",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<"aB:xx:">> = iolist_to_binary(join(re:split("aBxxc","(?<=a(?i)b)(\\w\\w)c",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=a(?i)b)(\\w\\w)c",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=a(?i)b)(\\w\\w)c",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=a(?i)b)(\\w\\w)c",[]))), 
?line <<"Abxxc">> = iolist_to_binary(join(re:split("Abxxc","(?<=a(?i)b)(\\w\\w)c",[trim]))), 
?line <<"Abxxc">> = iolist_to_binary(join(re:split("Abxxc","(?<=a(?i)b)(\\w\\w)c",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<"Abxxc">> = iolist_to_binary(join(re:split("Abxxc","(?<=a(?i)b)(\\w\\w)c",[]))), 
?line <<"ABxxc">> = iolist_to_binary(join(re:split("ABxxc","(?<=a(?i)b)(\\w\\w)c",[trim]))), 
?line <<"ABxxc">> = iolist_to_binary(join(re:split("ABxxc","(?<=a(?i)b)(\\w\\w)c",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<"ABxxc">> = iolist_to_binary(join(re:split("ABxxc","(?<=a(?i)b)(\\w\\w)c",[]))), 
?line <<"abxxC">> = iolist_to_binary(join(re:split("abxxC","(?<=a(?i)b)(\\w\\w)c",[trim]))), 
?line <<"abxxC">> = iolist_to_binary(join(re:split("abxxC","(?<=a(?i)b)(\\w\\w)c",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<"abxxC">> = iolist_to_binary(join(re:split("abxxC","(?<=a(?i)b)(\\w\\w)c",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aA","(?:(a)|b)(?(1)A|B)",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aA","(?:(a)|b)(?(1)A|B)",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aA","(?:(a)|b)(?(1)A|B)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("bB","(?:(a)|b)(?(1)A|B)",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("bB","(?:(a)|b)(?(1)A|B)",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("bB","(?:(a)|b)(?(1)A|B)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(a)|b)(?(1)A|B)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(a)|b)(?(1)A|B)",[{parts,
                                                                                                                                                                                                            2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(a)|b)(?(1)A|B)",[]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","(?:(a)|b)(?(1)A|B)",[trim]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","(?:(a)|b)(?(1)A|B)",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","(?:(a)|b)(?(1)A|B)",[]))), 
?line <<"bA">> = iolist_to_binary(join(re:split("bA","(?:(a)|b)(?(1)A|B)",[trim]))), 
?line <<"bA">> = iolist_to_binary(join(re:split("bA","(?:(a)|b)(?(1)A|B)",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"bA">> = iolist_to_binary(join(re:split("bA","(?:(a)|b)(?(1)A|B)",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aa","^(a)?(?(1)a|b)+$",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aa","^(a)?(?(1)a|b)+$",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aa","^(a)?(?(1)a|b)+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","^(a)?(?(1)a|b)+$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","^(a)?(?(1)a|b)+$",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","^(a)?(?(1)a|b)+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("bb","^(a)?(?(1)a|b)+$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("bb","^(a)?(?(1)a|b)+$",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("bb","^(a)?(?(1)a|b)+$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a)?(?(1)a|b)+$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a)?(?(1)a|b)+$",[{parts,
                                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a)?(?(1)a|b)+$",[]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","^(a)?(?(1)a|b)+$",[trim]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","^(a)?(?(1)a|b)+$",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","^(a)?(?(1)a|b)+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc:","^(?(?=abc)\\w{3}:|\\d\\d)$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc:","^(?(?=abc)\\w{3}:|\\d\\d)$",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc:","^(?(?=abc)\\w{3}:|\\d\\d)$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("12","^(?(?=abc)\\w{3}:|\\d\\d)$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("12","^(?(?=abc)\\w{3}:|\\d\\d)$",[{parts,
                                                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("12","^(?(?=abc)\\w{3}:|\\d\\d)$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?(?=abc)\\w{3}:|\\d\\d)$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?(?=abc)\\w{3}:|\\d\\d)$",[{parts,
                                                                                                                                                                                                                                2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?(?=abc)\\w{3}:|\\d\\d)$",[]))), 
?line <<"123">> = iolist_to_binary(join(re:split("123","^(?(?=abc)\\w{3}:|\\d\\d)$",[trim]))), 
?line <<"123">> = iolist_to_binary(join(re:split("123","^(?(?=abc)\\w{3}:|\\d\\d)$",[{parts,
                                                                                                                                                                                                                2}]))), 
?line <<"123">> = iolist_to_binary(join(re:split("123","^(?(?=abc)\\w{3}:|\\d\\d)$",[]))), 
?line <<"xyz">> = iolist_to_binary(join(re:split("xyz","^(?(?=abc)\\w{3}:|\\d\\d)$",[trim]))), 
?line <<"xyz">> = iolist_to_binary(join(re:split("xyz","^(?(?=abc)\\w{3}:|\\d\\d)$",[{parts,
                                                                                                                                                                                                                2}]))), 
?line <<"xyz">> = iolist_to_binary(join(re:split("xyz","^(?(?=abc)\\w{3}:|\\d\\d)$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc:","^(?(?!abc)\\d\\d|\\w{3}:)$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc:","^(?(?!abc)\\d\\d|\\w{3}:)$",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc:","^(?(?!abc)\\d\\d|\\w{3}:)$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("12","^(?(?!abc)\\d\\d|\\w{3}:)$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("12","^(?(?!abc)\\d\\d|\\w{3}:)$",[{parts,
                                                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("12","^(?(?!abc)\\d\\d|\\w{3}:)$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?(?!abc)\\d\\d|\\w{3}:)$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?(?!abc)\\d\\d|\\w{3}:)$",[{parts,
                                                                                                                                                                                                                                2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?(?!abc)\\d\\d|\\w{3}:)$",[]))), 
?line <<"123">> = iolist_to_binary(join(re:split("123","^(?(?!abc)\\d\\d|\\w{3}:)$",[trim]))), 
?line <<"123">> = iolist_to_binary(join(re:split("123","^(?(?!abc)\\d\\d|\\w{3}:)$",[{parts,
                                                                                                                                                                                                                2}]))), 
?line <<"123">> = iolist_to_binary(join(re:split("123","^(?(?!abc)\\d\\d|\\w{3}:)$",[]))), 
?line <<"xyz">> = iolist_to_binary(join(re:split("xyz","^(?(?!abc)\\d\\d|\\w{3}:)$",[trim]))), 
?line <<"xyz">> = iolist_to_binary(join(re:split("xyz","^(?(?!abc)\\d\\d|\\w{3}:)$",[{parts,
                                                                                                                                                                                                                2}]))), 
?line <<"xyz">> = iolist_to_binary(join(re:split("xyz","^(?(?!abc)\\d\\d|\\w{3}:)$",[]))), 
?line <<"foo">> = iolist_to_binary(join(re:split("foobar","(?(?<=foo)bar|cat)",[trim]))), 
?line <<"foo:">> = iolist_to_binary(join(re:split("foobar","(?(?<=foo)bar|cat)",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"foo:">> = iolist_to_binary(join(re:split("foobar","(?(?<=foo)bar|cat)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("cat","(?(?<=foo)bar|cat)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("cat","(?(?<=foo)bar|cat)",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("cat","(?(?<=foo)bar|cat)",[]))), 
?line <<"f">> = iolist_to_binary(join(re:split("fcat","(?(?<=foo)bar|cat)",[trim]))), 
?line <<"f:">> = iolist_to_binary(join(re:split("fcat","(?(?<=foo)bar|cat)",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"f:">> = iolist_to_binary(join(re:split("fcat","(?(?<=foo)bar|cat)",[]))), 
?line <<"fo">> = iolist_to_binary(join(re:split("focat","(?(?<=foo)bar|cat)",[trim]))), 
?line <<"fo:">> = iolist_to_binary(join(re:split("focat","(?(?<=foo)bar|cat)",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<"fo:">> = iolist_to_binary(join(re:split("focat","(?(?<=foo)bar|cat)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?(?<=foo)bar|cat)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?(?<=foo)bar|cat)",[{parts,
                                                                                                                                                                                                            2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?(?<=foo)bar|cat)",[]))), 
?line <<"foocat">> = iolist_to_binary(join(re:split("foocat","(?(?<=foo)bar|cat)",[trim]))), 
?line <<"foocat">> = iolist_to_binary(join(re:split("foocat","(?(?<=foo)bar|cat)",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"foocat">> = iolist_to_binary(join(re:split("foocat","(?(?<=foo)bar|cat)",[]))), 
?line <<"foo">> = iolist_to_binary(join(re:split("foobar","(?(?<!foo)cat|bar)",[trim]))), 
?line <<"foo:">> = iolist_to_binary(join(re:split("foobar","(?(?<!foo)cat|bar)",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"foo:">> = iolist_to_binary(join(re:split("foobar","(?(?<!foo)cat|bar)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("cat","(?(?<!foo)cat|bar)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("cat","(?(?<!foo)cat|bar)",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("cat","(?(?<!foo)cat|bar)",[]))), 
?line <<"f">> = iolist_to_binary(join(re:split("fcat","(?(?<!foo)cat|bar)",[trim]))), 
?line <<"f:">> = iolist_to_binary(join(re:split("fcat","(?(?<!foo)cat|bar)",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"f:">> = iolist_to_binary(join(re:split("fcat","(?(?<!foo)cat|bar)",[]))), 
?line <<"fo">> = iolist_to_binary(join(re:split("focat","(?(?<!foo)cat|bar)",[trim]))), 
?line <<"fo:">> = iolist_to_binary(join(re:split("focat","(?(?<!foo)cat|bar)",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<"fo:">> = iolist_to_binary(join(re:split("focat","(?(?<!foo)cat|bar)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?(?<!foo)cat|bar)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?(?<!foo)cat|bar)",[{parts,
                                                                                                                                                                                                            2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?(?<!foo)cat|bar)",[]))), 
?line <<"foocat">> = iolist_to_binary(join(re:split("foocat","(?(?<!foo)cat|bar)",[trim]))), 
?line <<"foocat">> = iolist_to_binary(join(re:split("foocat","(?(?<!foo)cat|bar)",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"foocat">> = iolist_to_binary(join(re:split("foocat","(?(?<!foo)cat|bar)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcd","( \\( )? [^()]+ (?(1) \\) |) ",[extended,
                                                                                                                                                                                                                    trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abcd","( \\( )? [^()]+ (?(1) \\) |) ",[extended,
                                                                                                                                                                                                                      {parts,
                                                                                                                                                                                                                       2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abcd","( \\( )? [^()]+ (?(1) \\) |) ",[extended]))), 
?line <<":(">> = iolist_to_binary(join(re:split("(abcd)","( \\( )? [^()]+ (?(1) \\) |) ",[extended,
                                                                                                                                                                                                                        trim]))), 
?line <<":(:">> = iolist_to_binary(join(re:split("(abcd)","( \\( )? [^()]+ (?(1) \\) |) ",[extended,
                                                                                                                                                                                                                          {parts,
                                                                                                                                                                                                                           2}]))), 
?line <<":(:">> = iolist_to_binary(join(re:split("(abcd)","( \\( )? [^()]+ (?(1) \\) |) ",[extended]))), 
?line <<":::(">> = iolist_to_binary(join(re:split("the quick (abcd) fox","( \\( )? [^()]+ (?(1) \\) |) ",[extended,
                                                                                                                                                                                                                                                    trim]))), 
?line <<"::(abcd) fox">> = iolist_to_binary(join(re:split("the quick (abcd) fox","( \\( )? [^()]+ (?(1) \\) |) ",[extended,
                                                                                                                                                                                                                                                      {parts,
                                                                                                                                                                                                                                                       2}]))), 
?line <<":::(:::">> = iolist_to_binary(join(re:split("the quick (abcd) fox","( \\( )? [^()]+ (?(1) \\) |) ",[extended]))), 
?line <<"(">> = iolist_to_binary(join(re:split("(abcd","( \\( )? [^()]+ (?(1) \\) |) ",[extended,
                                                                                                                                                                                                                      trim]))), 
?line <<"(::">> = iolist_to_binary(join(re:split("(abcd","( \\( )? [^()]+ (?(1) \\) |) ",[extended,
                                                                                                                                                                                                                        {parts,
                                                                                                                                                                                                                         2}]))), 
?line <<"(::">> = iolist_to_binary(join(re:split("(abcd","( \\( )? [^()]+ (?(1) \\) |) ",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcd","( \\( )? [^()]+ (?(1) \\) ) ",[extended,
                                                                                                                                                                                                                  trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abcd","( \\( )? [^()]+ (?(1) \\) ) ",[extended,
                                                                                                                                                                                                                    {parts,
                                                                                                                                                                                                                     2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abcd","( \\( )? [^()]+ (?(1) \\) ) ",[extended]))), 
?line <<":(">> = iolist_to_binary(join(re:split("(abcd)","( \\( )? [^()]+ (?(1) \\) ) ",[extended,
                                                                                                                                                                                                                      trim]))), 
?line <<":(:">> = iolist_to_binary(join(re:split("(abcd)","( \\( )? [^()]+ (?(1) \\) ) ",[extended,
                                                                                                                                                                                                                        {parts,
                                                                                                                                                                                                                         2}]))), 
?line <<":(:">> = iolist_to_binary(join(re:split("(abcd)","( \\( )? [^()]+ (?(1) \\) ) ",[extended]))), 
?line <<":::(">> = iolist_to_binary(join(re:split("the quick (abcd) fox","( \\( )? [^()]+ (?(1) \\) ) ",[extended,
                                                                                                                                                                                                                                                  trim]))), 
?line <<"::(abcd) fox">> = iolist_to_binary(join(re:split("the quick (abcd) fox","( \\( )? [^()]+ (?(1) \\) ) ",[extended,
                                                                                                                                                                                                                                                    {parts,
                                                                                                                                                                                                                                                     2}]))), 
?line <<":::(:::">> = iolist_to_binary(join(re:split("the quick (abcd) fox","( \\( )? [^()]+ (?(1) \\) ) ",[extended]))), 
?line <<"(">> = iolist_to_binary(join(re:split("(abcd","( \\( )? [^()]+ (?(1) \\) ) ",[extended,
                                                                                                                                                                                                                    trim]))), 
?line <<"(::">> = iolist_to_binary(join(re:split("(abcd","( \\( )? [^()]+ (?(1) \\) ) ",[extended,
                                                                                                                                                                                                                      {parts,
                                                                                                                                                                                                                       2}]))), 
?line <<"(::">> = iolist_to_binary(join(re:split("(abcd","( \\( )? [^()]+ (?(1) \\) ) ",[extended]))), 
?line <<":1:2">> = iolist_to_binary(join(re:split("12","^(?(2)a|(1)(2))+$",[trim]))), 
?line <<":1:2:">> = iolist_to_binary(join(re:split("12","^(?(2)a|(1)(2))+$",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<":1:2:">> = iolist_to_binary(join(re:split("12","^(?(2)a|(1)(2))+$",[]))), 
?line <<":1:2">> = iolist_to_binary(join(re:split("12a","^(?(2)a|(1)(2))+$",[trim]))), 
?line <<":1:2:">> = iolist_to_binary(join(re:split("12a","^(?(2)a|(1)(2))+$",[{parts,
                                                                                                                                                                                           2}]))), 
?line <<":1:2:">> = iolist_to_binary(join(re:split("12a","^(?(2)a|(1)(2))+$",[]))), 
?line <<":1:2">> = iolist_to_binary(join(re:split("12aa","^(?(2)a|(1)(2))+$",[trim]))), 
?line <<":1:2:">> = iolist_to_binary(join(re:split("12aa","^(?(2)a|(1)(2))+$",[{parts,
                                                                                                                                                                                             2}]))), 
?line <<":1:2:">> = iolist_to_binary(join(re:split("12aa","^(?(2)a|(1)(2))+$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?(2)a|(1)(2))+$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?(2)a|(1)(2))+$",[{parts,
                                                                                                                                                                                                           2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?(2)a|(1)(2))+$",[]))), 
?line <<"1234">> = iolist_to_binary(join(re:split("1234","^(?(2)a|(1)(2))+$",[trim]))), 
?line <<"1234">> = iolist_to_binary(join(re:split("1234","^(?(2)a|(1)(2))+$",[{parts,
                                                                                                                                                                                             2}]))), 
?line <<"1234">> = iolist_to_binary(join(re:split("1234","^(?(2)a|(1)(2))+$",[]))), 
?line <<":blah">> = iolist_to_binary(join(re:split("blah blah","((?i)blah)\\s+\\1",[trim]))), 
?line <<":blah:">> = iolist_to_binary(join(re:split("blah blah","((?i)blah)\\s+\\1",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<":blah:">> = iolist_to_binary(join(re:split("blah blah","((?i)blah)\\s+\\1",[]))), 
?line <<":BLAH">> = iolist_to_binary(join(re:split("BLAH BLAH","((?i)blah)\\s+\\1",[trim]))), 
?line <<":BLAH:">> = iolist_to_binary(join(re:split("BLAH BLAH","((?i)blah)\\s+\\1",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<":BLAH:">> = iolist_to_binary(join(re:split("BLAH BLAH","((?i)blah)\\s+\\1",[]))), 
?line <<":Blah">> = iolist_to_binary(join(re:split("Blah Blah","((?i)blah)\\s+\\1",[trim]))), 
?line <<":Blah:">> = iolist_to_binary(join(re:split("Blah Blah","((?i)blah)\\s+\\1",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<":Blah:">> = iolist_to_binary(join(re:split("Blah Blah","((?i)blah)\\s+\\1",[]))), 
?line <<":blaH">> = iolist_to_binary(join(re:split("blaH blaH","((?i)blah)\\s+\\1",[trim]))), 
?line <<":blaH:">> = iolist_to_binary(join(re:split("blaH blaH","((?i)blah)\\s+\\1",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<":blaH:">> = iolist_to_binary(join(re:split("blaH blaH","((?i)blah)\\s+\\1",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","((?i)blah)\\s+\\1",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","((?i)blah)\\s+\\1",[{parts,
                                                                                                                                                                                                            2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","((?i)blah)\\s+\\1",[]))), 
?line <<"blah BLAH">> = iolist_to_binary(join(re:split("blah BLAH","((?i)blah)\\s+\\1",[trim]))), 
?line <<"blah BLAH">> = iolist_to_binary(join(re:split("blah BLAH","((?i)blah)\\s+\\1",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<"blah BLAH">> = iolist_to_binary(join(re:split("blah BLAH","((?i)blah)\\s+\\1",[]))), 
?line <<"Blah blah">> = iolist_to_binary(join(re:split("Blah blah","((?i)blah)\\s+\\1",[trim]))), 
?line <<"Blah blah">> = iolist_to_binary(join(re:split("Blah blah","((?i)blah)\\s+\\1",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<"Blah blah">> = iolist_to_binary(join(re:split("Blah blah","((?i)blah)\\s+\\1",[]))), 
?line <<"blaH blah">> = iolist_to_binary(join(re:split("blaH blah","((?i)blah)\\s+\\1",[trim]))), 
?line <<"blaH blah">> = iolist_to_binary(join(re:split("blaH blah","((?i)blah)\\s+\\1",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<"blaH blah">> = iolist_to_binary(join(re:split("blaH blah","((?i)blah)\\s+\\1",[]))), 
?line <<":blah">> = iolist_to_binary(join(re:split("blah blah","((?i)blah)\\s+(?i:\\1)",[trim]))), 
?line <<":blah:">> = iolist_to_binary(join(re:split("blah blah","((?i)blah)\\s+(?i:\\1)",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<":blah:">> = iolist_to_binary(join(re:split("blah blah","((?i)blah)\\s+(?i:\\1)",[]))), 
?line <<":BLAH">> = iolist_to_binary(join(re:split("BLAH BLAH","((?i)blah)\\s+(?i:\\1)",[trim]))), 
?line <<":BLAH:">> = iolist_to_binary(join(re:split("BLAH BLAH","((?i)blah)\\s+(?i:\\1)",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<":BLAH:">> = iolist_to_binary(join(re:split("BLAH BLAH","((?i)blah)\\s+(?i:\\1)",[]))), 
?line <<":Blah">> = iolist_to_binary(join(re:split("Blah Blah","((?i)blah)\\s+(?i:\\1)",[trim]))), 
?line <<":Blah:">> = iolist_to_binary(join(re:split("Blah Blah","((?i)blah)\\s+(?i:\\1)",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<":Blah:">> = iolist_to_binary(join(re:split("Blah Blah","((?i)blah)\\s+(?i:\\1)",[]))), 
?line <<":blaH">> = iolist_to_binary(join(re:split("blaH blaH","((?i)blah)\\s+(?i:\\1)",[trim]))), 
?line <<":blaH:">> = iolist_to_binary(join(re:split("blaH blaH","((?i)blah)\\s+(?i:\\1)",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<":blaH:">> = iolist_to_binary(join(re:split("blaH blaH","((?i)blah)\\s+(?i:\\1)",[]))), 
?line <<":blah">> = iolist_to_binary(join(re:split("blah BLAH","((?i)blah)\\s+(?i:\\1)",[trim]))), 
?line <<":blah:">> = iolist_to_binary(join(re:split("blah BLAH","((?i)blah)\\s+(?i:\\1)",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<":blah:">> = iolist_to_binary(join(re:split("blah BLAH","((?i)blah)\\s+(?i:\\1)",[]))), 
?line <<":Blah">> = iolist_to_binary(join(re:split("Blah blah","((?i)blah)\\s+(?i:\\1)",[trim]))), 
?line <<":Blah:">> = iolist_to_binary(join(re:split("Blah blah","((?i)blah)\\s+(?i:\\1)",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<":Blah:">> = iolist_to_binary(join(re:split("Blah blah","((?i)blah)\\s+(?i:\\1)",[]))), 
?line <<":blaH">> = iolist_to_binary(join(re:split("blaH blah","((?i)blah)\\s+(?i:\\1)",[trim]))), 
?line <<":blaH:">> = iolist_to_binary(join(re:split("blaH blah","((?i)blah)\\s+(?i:\\1)",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<":blaH:">> = iolist_to_binary(join(re:split("blaH blah","((?i)blah)\\s+(?i:\\1)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","(?>a*)*",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","(?>a*)*",[{parts,
                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","(?>a*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aa","(?>a*)*",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aa","(?>a*)*",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aa","(?>a*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaa","(?>a*)*",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","(?>a*)*",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","(?>a*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","(abc|)+",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abc","(abc|)+",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abc","(abc|)+",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcabc","(abc|)+",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abcabc","(abc|)+",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abcabc","(abc|)+",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcabcabc","(abc|)+",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abcabcabc","(abc|)+",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abcabcabc","(abc|)+",[]))), 
?line <<"x::y::z">> = iolist_to_binary(join(re:split("xyz","(abc|)+",[trim]))), 
?line <<"x::yz">> = iolist_to_binary(join(re:split("xyz","(abc|)+",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"x::y::z::">> = iolist_to_binary(join(re:split("xyz","(abc|)+",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","([a]*)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","([a]*)*",[{parts,
                                                                                                                                                                  2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","([a]*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaaa","([a]*)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("aaaaa","([a]*)*",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("aaaaa","([a]*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","([ab]*)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","([ab]*)*",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","([ab]*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","([ab]*)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","([ab]*)*",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","([ab]*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ababab","([ab]*)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("ababab","([ab]*)*",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("ababab","([ab]*)*",[]))), 
?line <<"::c::d::e">> = iolist_to_binary(join(re:split("aaaabcde","([ab]*)*",[trim]))), 
?line <<"::cde">> = iolist_to_binary(join(re:split("aaaabcde","([ab]*)*",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<"::c::d::e::">> = iolist_to_binary(join(re:split("aaaabcde","([ab]*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("bbbb","([ab]*)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("bbbb","([ab]*)*",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("bbbb","([ab]*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","([^a]*)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","([^a]*)*",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","([^a]*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("bbbb","([^a]*)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("bbbb","([^a]*)*",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("bbbb","([^a]*)*",[]))), 
?line <<"a::a::a">> = iolist_to_binary(join(re:split("aaa","([^a]*)*",[trim]))), 
?line <<"a::aa">> = iolist_to_binary(join(re:split("aaa","([^a]*)*",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"a::a::a::">> = iolist_to_binary(join(re:split("aaa","([^a]*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("cccc","([^ab]*)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("cccc","([^ab]*)*",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("cccc","([^ab]*)*",[]))), 
?line <<"a::b::a::b">> = iolist_to_binary(join(re:split("abab","([^ab]*)*",[trim]))), 
?line <<"a::bab">> = iolist_to_binary(join(re:split("abab","([^ab]*)*",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"a::b::a::b::">> = iolist_to_binary(join(re:split("abab","([^ab]*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","([a]*?)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","([a]*?)*",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","([a]*?)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaa","([a]*?)*",[trim]))), 
?line <<"::aaa">> = iolist_to_binary(join(re:split("aaaa","([a]*?)*",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"::::::::">> = iolist_to_binary(join(re:split("aaaa","([a]*?)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","([ab]*?)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","([ab]*?)*",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","([ab]*?)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","([ab]*?)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","([ab]*?)*",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","([ab]*?)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abab","([ab]*?)*",[trim]))), 
?line <<"::bab">> = iolist_to_binary(join(re:split("abab","([ab]*?)*",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"::::::::">> = iolist_to_binary(join(re:split("abab","([ab]*?)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("baba","([ab]*?)*",[trim]))), 
?line <<"::aba">> = iolist_to_binary(join(re:split("baba","([ab]*?)*",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"::::::::">> = iolist_to_binary(join(re:split("baba","([ab]*?)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","([^a]*?)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","([^a]*?)*",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("b","([^a]*?)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("bbbb","([^a]*?)*",[trim]))), 
?line <<"::bbb">> = iolist_to_binary(join(re:split("bbbb","([^a]*?)*",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"::::::::">> = iolist_to_binary(join(re:split("bbbb","([^a]*?)*",[]))), 
?line <<"a::a::a">> = iolist_to_binary(join(re:split("aaa","([^a]*?)*",[trim]))), 
?line <<"a::aa">> = iolist_to_binary(join(re:split("aaa","([^a]*?)*",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"a::a::a::">> = iolist_to_binary(join(re:split("aaa","([^a]*?)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("c","([^ab]*?)*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("c","([^ab]*?)*",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("c","([^ab]*?)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("cccc","([^ab]*?)*",[trim]))), 
?line <<"::ccc">> = iolist_to_binary(join(re:split("cccc","([^ab]*?)*",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"::::::::">> = iolist_to_binary(join(re:split("cccc","([^ab]*?)*",[]))), 
?line <<"b::a::b::a">> = iolist_to_binary(join(re:split("baba","([^ab]*?)*",[trim]))), 
?line <<"b::aba">> = iolist_to_binary(join(re:split("baba","([^ab]*?)*",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"b::a::b::a::">> = iolist_to_binary(join(re:split("baba","([^ab]*?)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","(?>a*)*",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","(?>a*)*",[{parts,
                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","(?>a*)*",[]))), 
?line <<":b:c:d:e">> = iolist_to_binary(join(re:split("aaabcde","(?>a*)*",[trim]))), 
?line <<":bcde">> = iolist_to_binary(join(re:split("aaabcde","(?>a*)*",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":b:c:d:e:">> = iolist_to_binary(join(re:split("aaabcde","(?>a*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaaa","((?>a*))*",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("aaaaa","((?>a*))*",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("aaaaa","((?>a*))*",[]))), 
?line <<"::b::b">> = iolist_to_binary(join(re:split("aabbaa","((?>a*))*",[trim]))), 
?line <<"::bbaa">> = iolist_to_binary(join(re:split("aabbaa","((?>a*))*",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"::b::b::">> = iolist_to_binary(join(re:split("aabbaa","((?>a*))*",[]))), 
?line <<"a::a::a::a::a">> = iolist_to_binary(join(re:split("aaaaa","((?>a*?))*",[trim]))), 
?line <<"a::aaaa">> = iolist_to_binary(join(re:split("aaaaa","((?>a*?))*",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"a::a::a::a::a::">> = iolist_to_binary(join(re:split("aaaaa","((?>a*?))*",[]))), 
?line <<"a::a::b::b::a::a">> = iolist_to_binary(join(re:split("aabbaa","((?>a*?))*",[trim]))), 
?line <<"a::abbaa">> = iolist_to_binary(join(re:split("aabbaa","((?>a*?))*",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<"a::a::b::b::a::a::">> = iolist_to_binary(join(re:split("aabbaa","((?>a*?))*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("12-sep-98","(?(?=[^a-z]+[a-z])  \\d{2}-[a-z]{3}-\\d{2}  |  \\d{2}-\\d{2}-\\d{2} ) ",[extended,
                                                                                                                                                                                                                                                                                                                   trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("12-sep-98","(?(?=[^a-z]+[a-z])  \\d{2}-[a-z]{3}-\\d{2}  |  \\d{2}-\\d{2}-\\d{2} ) ",[extended,
                                                                                                                                                                                                                                                                                                                     {parts,
                                                                                                                                                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("12-sep-98","(?(?=[^a-z]+[a-z])  \\d{2}-[a-z]{3}-\\d{2}  |  \\d{2}-\\d{2}-\\d{2} ) ",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("12-09-98","(?(?=[^a-z]+[a-z])  \\d{2}-[a-z]{3}-\\d{2}  |  \\d{2}-\\d{2}-\\d{2} ) ",[extended,
                                                                                                                                                                                                                                                                                                                 trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("12-09-98","(?(?=[^a-z]+[a-z])  \\d{2}-[a-z]{3}-\\d{2}  |  \\d{2}-\\d{2}-\\d{2} ) ",[extended,
                                                                                                                                                                                                                                                                                                                   {parts,
                                                                                                                                                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("12-09-98","(?(?=[^a-z]+[a-z])  \\d{2}-[a-z]{3}-\\d{2}  |  \\d{2}-\\d{2}-\\d{2} ) ",[extended]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?(?=[^a-z]+[a-z])  \\d{2}-[a-z]{3}-\\d{2}  |  \\d{2}-\\d{2}-\\d{2} ) ",[extended,
                                                                                                                                                                                                                                                                                                                       trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?(?=[^a-z]+[a-z])  \\d{2}-[a-z]{3}-\\d{2}  |  \\d{2}-\\d{2}-\\d{2} ) ",[extended,
                                                                                                                                                                                                                                                                                                                         {parts,
                                                                                                                                                                                                                                                                                                                          2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?(?=[^a-z]+[a-z])  \\d{2}-[a-z]{3}-\\d{2}  |  \\d{2}-\\d{2}-\\d{2} ) ",[extended]))), 
?line <<"sep-12-98">> = iolist_to_binary(join(re:split("sep-12-98","(?(?=[^a-z]+[a-z])  \\d{2}-[a-z]{3}-\\d{2}  |  \\d{2}-\\d{2}-\\d{2} ) ",[extended,
                                                                                                                                                                                                                                                                                                                   trim]))), 
?line <<"sep-12-98">> = iolist_to_binary(join(re:split("sep-12-98","(?(?=[^a-z]+[a-z])  \\d{2}-[a-z]{3}-\\d{2}  |  \\d{2}-\\d{2}-\\d{2} ) ",[extended,
                                                                                                                                                                                                                                                                                                                     {parts,
                                                                                                                                                                                                                                                                                                                      2}]))), 
?line <<"sep-12-98">> = iolist_to_binary(join(re:split("sep-12-98","(?(?=[^a-z]+[a-z])  \\d{2}-[a-z]{3}-\\d{2}  |  \\d{2}-\\d{2}-\\d{2} ) ",[extended]))), 
?line <<"foo:foo">> = iolist_to_binary(join(re:split("foobarfoo","(?<=(foo))bar\\1",[trim]))), 
?line <<"foo:foo:">> = iolist_to_binary(join(re:split("foobarfoo","(?<=(foo))bar\\1",[{parts,
                                                                                                                                                                                                     2}]))), 
?line <<"foo:foo:">> = iolist_to_binary(join(re:split("foobarfoo","(?<=(foo))bar\\1",[]))), 
?line <<"foo:foo:tling">> = iolist_to_binary(join(re:split("foobarfootling","(?<=(foo))bar\\1",[trim]))), 
?line <<"foo:foo:tling">> = iolist_to_binary(join(re:split("foobarfootling","(?<=(foo))bar\\1",[{parts,
                                                                                                                                                                                                               2}]))), 
?line <<"foo:foo:tling">> = iolist_to_binary(join(re:split("foobarfootling","(?<=(foo))bar\\1",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=(foo))bar\\1",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=(foo))bar\\1",[{parts,
                                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=(foo))bar\\1",[]))), 
?line <<"foobar">> = iolist_to_binary(join(re:split("foobar","(?<=(foo))bar\\1",[trim]))), 
?line <<"foobar">> = iolist_to_binary(join(re:split("foobar","(?<=(foo))bar\\1",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<"foobar">> = iolist_to_binary(join(re:split("foobar","(?<=(foo))bar\\1",[]))), 
?line <<"barfoo">> = iolist_to_binary(join(re:split("barfoo","(?<=(foo))bar\\1",[trim]))), 
?line <<"barfoo">> = iolist_to_binary(join(re:split("barfoo","(?<=(foo))bar\\1",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<"barfoo">> = iolist_to_binary(join(re:split("barfoo","(?<=(foo))bar\\1",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("saturday","(?i:saturday|sunday)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("saturday","(?i:saturday|sunday)",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("saturday","(?i:saturday|sunday)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("sunday","(?i:saturday|sunday)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("sunday","(?i:saturday|sunday)",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("sunday","(?i:saturday|sunday)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("Saturday","(?i:saturday|sunday)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("Saturday","(?i:saturday|sunday)",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("Saturday","(?i:saturday|sunday)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("Sunday","(?i:saturday|sunday)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("Sunday","(?i:saturday|sunday)",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("Sunday","(?i:saturday|sunday)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("SATURDAY","(?i:saturday|sunday)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("SATURDAY","(?i:saturday|sunday)",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("SATURDAY","(?i:saturday|sunday)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("SUNDAY","(?i:saturday|sunday)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("SUNDAY","(?i:saturday|sunday)",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("SUNDAY","(?i:saturday|sunday)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("SunDay","(?i:saturday|sunday)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("SunDay","(?i:saturday|sunday)",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("SunDay","(?i:saturday|sunday)",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abcx","(a(?i)bc|BB)x",[trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcx","(a(?i)bc|BB)x",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcx","(a(?i)bc|BB)x",[]))), 
?line <<":aBC">> = iolist_to_binary(join(re:split("aBCx","(a(?i)bc|BB)x",[trim]))), 
?line <<":aBC:">> = iolist_to_binary(join(re:split("aBCx","(a(?i)bc|BB)x",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":aBC:">> = iolist_to_binary(join(re:split("aBCx","(a(?i)bc|BB)x",[]))), 
?line <<":bb">> = iolist_to_binary(join(re:split("bbx","(a(?i)bc|BB)x",[trim]))), 
?line <<":bb:">> = iolist_to_binary(join(re:split("bbx","(a(?i)bc|BB)x",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<":bb:">> = iolist_to_binary(join(re:split("bbx","(a(?i)bc|BB)x",[]))), 
?line <<":BB">> = iolist_to_binary(join(re:split("BBx","(a(?i)bc|BB)x",[trim]))), 
?line <<":BB:">> = iolist_to_binary(join(re:split("BBx","(a(?i)bc|BB)x",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<":BB:">> = iolist_to_binary(join(re:split("BBx","(a(?i)bc|BB)x",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a(?i)bc|BB)x",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a(?i)bc|BB)x",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(a(?i)bc|BB)x",[]))), 
?line <<"abcX">> = iolist_to_binary(join(re:split("abcX","(a(?i)bc|BB)x",[trim]))), 
?line <<"abcX">> = iolist_to_binary(join(re:split("abcX","(a(?i)bc|BB)x",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"abcX">> = iolist_to_binary(join(re:split("abcX","(a(?i)bc|BB)x",[]))), 
?line <<"aBCX">> = iolist_to_binary(join(re:split("aBCX","(a(?i)bc|BB)x",[trim]))), 
?line <<"aBCX">> = iolist_to_binary(join(re:split("aBCX","(a(?i)bc|BB)x",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"aBCX">> = iolist_to_binary(join(re:split("aBCX","(a(?i)bc|BB)x",[]))), 
?line <<"bbX">> = iolist_to_binary(join(re:split("bbX","(a(?i)bc|BB)x",[trim]))), 
?line <<"bbX">> = iolist_to_binary(join(re:split("bbX","(a(?i)bc|BB)x",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<"bbX">> = iolist_to_binary(join(re:split("bbX","(a(?i)bc|BB)x",[]))), 
?line <<"BBX">> = iolist_to_binary(join(re:split("BBX","(a(?i)bc|BB)x",[trim]))), 
?line <<"BBX">> = iolist_to_binary(join(re:split("BBX","(a(?i)bc|BB)x",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<"BBX">> = iolist_to_binary(join(re:split("BBX","(a(?i)bc|BB)x",[]))), 
?line <<":ac">> = iolist_to_binary(join(re:split("ac","^([ab](?i)[cd]|[ef])",[trim]))), 
?line <<":ac:">> = iolist_to_binary(join(re:split("ac","^([ab](?i)[cd]|[ef])",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<":ac:">> = iolist_to_binary(join(re:split("ac","^([ab](?i)[cd]|[ef])",[]))), 
?line <<":aC">> = iolist_to_binary(join(re:split("aC","^([ab](?i)[cd]|[ef])",[trim]))), 
?line <<":aC:">> = iolist_to_binary(join(re:split("aC","^([ab](?i)[cd]|[ef])",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<":aC:">> = iolist_to_binary(join(re:split("aC","^([ab](?i)[cd]|[ef])",[]))), 
?line <<":bD">> = iolist_to_binary(join(re:split("bD","^([ab](?i)[cd]|[ef])",[trim]))), 
?line <<":bD:">> = iolist_to_binary(join(re:split("bD","^([ab](?i)[cd]|[ef])",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<":bD:">> = iolist_to_binary(join(re:split("bD","^([ab](?i)[cd]|[ef])",[]))), 
?line <<":e:lephant">> = iolist_to_binary(join(re:split("elephant","^([ab](?i)[cd]|[ef])",[trim]))), 
?line <<":e:lephant">> = iolist_to_binary(join(re:split("elephant","^([ab](?i)[cd]|[ef])",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<":e:lephant">> = iolist_to_binary(join(re:split("elephant","^([ab](?i)[cd]|[ef])",[]))), 
?line <<":E:urope">> = iolist_to_binary(join(re:split("Europe","^([ab](?i)[cd]|[ef])",[trim]))), 
?line <<":E:urope">> = iolist_to_binary(join(re:split("Europe","^([ab](?i)[cd]|[ef])",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":E:urope">> = iolist_to_binary(join(re:split("Europe","^([ab](?i)[cd]|[ef])",[]))), 
?line <<":f:rog">> = iolist_to_binary(join(re:split("frog","^([ab](?i)[cd]|[ef])",[trim]))), 
?line <<":f:rog">> = iolist_to_binary(join(re:split("frog","^([ab](?i)[cd]|[ef])",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<":f:rog">> = iolist_to_binary(join(re:split("frog","^([ab](?i)[cd]|[ef])",[]))), 
?line <<":F:rance">> = iolist_to_binary(join(re:split("France","^([ab](?i)[cd]|[ef])",[trim]))), 
?line <<":F:rance">> = iolist_to_binary(join(re:split("France","^([ab](?i)[cd]|[ef])",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":F:rance">> = iolist_to_binary(join(re:split("France","^([ab](?i)[cd]|[ef])",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^([ab](?i)[cd]|[ef])",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^([ab](?i)[cd]|[ef])",[{parts,
                                                                                                                                                                                                                2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^([ab](?i)[cd]|[ef])",[]))), 
?line <<"Africa">> = iolist_to_binary(join(re:split("Africa","^([ab](?i)[cd]|[ef])",[trim]))), 
?line <<"Africa">> = iolist_to_binary(join(re:split("Africa","^([ab](?i)[cd]|[ef])",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<"Africa">> = iolist_to_binary(join(re:split("Africa","^([ab](?i)[cd]|[ef])",[]))), 
?line <<":ab">> = iolist_to_binary(join(re:split("ab","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[trim]))), 
?line <<":ab:">> = iolist_to_binary(join(re:split("ab","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[{parts,
                                                                                                                                                                                                                      2}]))), 
?line <<":ab:">> = iolist_to_binary(join(re:split("ab","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[]))), 
?line <<":aBd">> = iolist_to_binary(join(re:split("aBd","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[trim]))), 
?line <<":aBd:">> = iolist_to_binary(join(re:split("aBd","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[{parts,
                                                                                                                                                                                                                        2}]))), 
?line <<":aBd:">> = iolist_to_binary(join(re:split("aBd","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[]))), 
?line <<":xy">> = iolist_to_binary(join(re:split("xy","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[trim]))), 
?line <<":xy:">> = iolist_to_binary(join(re:split("xy","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[{parts,
                                                                                                                                                                                                                      2}]))), 
?line <<":xy:">> = iolist_to_binary(join(re:split("xy","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[]))), 
?line <<":xY">> = iolist_to_binary(join(re:split("xY","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[trim]))), 
?line <<":xY:">> = iolist_to_binary(join(re:split("xY","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[{parts,
                                                                                                                                                                                                                      2}]))), 
?line <<":xY:">> = iolist_to_binary(join(re:split("xY","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[]))), 
?line <<":z:ebra">> = iolist_to_binary(join(re:split("zebra","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[trim]))), 
?line <<":z:ebra">> = iolist_to_binary(join(re:split("zebra","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[{parts,
                                                                                                                                                                                                                            2}]))), 
?line <<":z:ebra">> = iolist_to_binary(join(re:split("zebra","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[]))), 
?line <<":Z:ambesi">> = iolist_to_binary(join(re:split("Zambesi","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[trim]))), 
?line <<":Z:ambesi">> = iolist_to_binary(join(re:split("Zambesi","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[{parts,
                                                                                                                                                                                                                                2}]))), 
?line <<":Z:ambesi">> = iolist_to_binary(join(re:split("Zambesi","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[{parts,
                                                                                                                                                                                                                                        2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[]))), 
?line <<"aCD">> = iolist_to_binary(join(re:split("aCD","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[trim]))), 
?line <<"aCD">> = iolist_to_binary(join(re:split("aCD","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[{parts,
                                                                                                                                                                                                                        2}]))), 
?line <<"aCD">> = iolist_to_binary(join(re:split("aCD","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[]))), 
?line <<"XY">> = iolist_to_binary(join(re:split("XY","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[trim]))), 
?line <<"XY">> = iolist_to_binary(join(re:split("XY","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[{parts,
                                                                                                                                                                                                                      2}]))), 
?line <<"XY">> = iolist_to_binary(join(re:split("XY","^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)",[]))), 
?line <<"foo
">> = iolist_to_binary(join(re:split("foo
bar","(?<=foo\\n)^bar",[multiline,trim]))), 
?line <<"foo
:">> = iolist_to_binary(join(re:split("foo
bar","(?<=foo\\n)^bar",[multiline,{parts,2}]))), 
?line <<"foo
:">> = iolist_to_binary(join(re:split("foo
bar","(?<=foo\\n)^bar",[multiline]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=foo\\n)^bar",[multiline,
                                                                                                                                                                                                     trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=foo\\n)^bar",[multiline,
                                                                                                                                                                                                       {parts,
                                                                                                                                                                                                        2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=foo\\n)^bar",[multiline]))), 
?line <<"bar">> = iolist_to_binary(join(re:split("bar","(?<=foo\\n)^bar",[multiline,
                                                                                                                                                                                     trim]))), 
?line <<"bar">> = iolist_to_binary(join(re:split("bar","(?<=foo\\n)^bar",[multiline,
                                                                                                                                                                                       {parts,
                                                                                                                                                                                        2}]))), 
?line <<"bar">> = iolist_to_binary(join(re:split("bar","(?<=foo\\n)^bar",[multiline]))), 
?line <<"baz
bar">> = iolist_to_binary(join(re:split("baz
bar","(?<=foo\\n)^bar",[multiline,trim]))), 
?line <<"baz
bar">> = iolist_to_binary(join(re:split("baz
bar","(?<=foo\\n)^bar",[multiline,{parts,2}]))), 
?line <<"baz
bar">> = iolist_to_binary(join(re:split("baz
bar","(?<=foo\\n)^bar",[multiline]))), 
?line <<"bar">> = iolist_to_binary(join(re:split("barbaz","(?<=(?<!foo)bar)baz",[trim]))), 
?line <<"bar:">> = iolist_to_binary(join(re:split("barbaz","(?<=(?<!foo)bar)baz",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<"bar:">> = iolist_to_binary(join(re:split("barbaz","(?<=(?<!foo)bar)baz",[]))), 
?line <<"barbar">> = iolist_to_binary(join(re:split("barbarbaz","(?<=(?<!foo)bar)baz",[trim]))), 
?line <<"barbar:">> = iolist_to_binary(join(re:split("barbarbaz","(?<=(?<!foo)bar)baz",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<"barbar:">> = iolist_to_binary(join(re:split("barbarbaz","(?<=(?<!foo)bar)baz",[]))), 
?line <<"koobar">> = iolist_to_binary(join(re:split("koobarbaz","(?<=(?<!foo)bar)baz",[trim]))), 
?line <<"koobar:">> = iolist_to_binary(join(re:split("koobarbaz","(?<=(?<!foo)bar)baz",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<"koobar:">> = iolist_to_binary(join(re:split("koobarbaz","(?<=(?<!foo)bar)baz",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=(?<!foo)bar)baz",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=(?<!foo)bar)baz",[{parts,
                                                                                                                                                                                                              2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=(?<!foo)bar)baz",[]))), 
?line <<"baz">> = iolist_to_binary(join(re:split("baz","(?<=(?<!foo)bar)baz",[trim]))), 
?line <<"baz">> = iolist_to_binary(join(re:split("baz","(?<=(?<!foo)bar)baz",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"baz">> = iolist_to_binary(join(re:split("baz","(?<=(?<!foo)bar)baz",[]))), 
?line <<"foobarbaz">> = iolist_to_binary(join(re:split("foobarbaz","(?<=(?<!foo)bar)baz",[trim]))), 
?line <<"foobarbaz">> = iolist_to_binary(join(re:split("foobarbaz","(?<=(?<!foo)bar)baz",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<"foobarbaz">> = iolist_to_binary(join(re:split("foobarbaz","(?<=(?<!foo)bar)baz",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","^(a\\1?){4}$",[trim]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","^(a\\1?){4}$",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","^(a\\1?){4}$",[]))), 
?line <<"aa">> = iolist_to_binary(join(re:split("aa","^(a\\1?){4}$",[trim]))), 
?line <<"aa">> = iolist_to_binary(join(re:split("aa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"aa">> = iolist_to_binary(join(re:split("aa","^(a\\1?){4}$",[]))), 
?line <<"aaa">> = iolist_to_binary(join(re:split("aaa","^(a\\1?){4}$",[trim]))), 
?line <<"aaa">> = iolist_to_binary(join(re:split("aaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<"aaa">> = iolist_to_binary(join(re:split("aaa","^(a\\1?){4}$",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaa","^(a\\1?){4}$",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaa","^(a\\1?){4}$",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaaa","^(a\\1?){4}$",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaaa","^(a\\1?){4}$",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaaaaa","^(a\\1?){4}$",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aaaaaaa","^(a\\1?){4}$",[]))), 
?line <<"aaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaa","^(a\\1?){4}$",[trim]))), 
?line <<"aaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<"aaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaa","^(a\\1?){4}$",[]))), 
?line <<"aaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaa","^(a\\1?){4}$",[trim]))), 
?line <<"aaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"aaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaa","^(a\\1?){4}$",[]))), 
?line <<":aaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaa","^(a\\1?){4}$",[trim]))), 
?line <<":aaaa:">> = iolist_to_binary(join(re:split("aaaaaaaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<":aaaa:">> = iolist_to_binary(join(re:split("aaaaaaaaaa","^(a\\1?){4}$",[]))), 
?line <<"aaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaa","^(a\\1?){4}$",[trim]))), 
?line <<"aaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"aaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaa","^(a\\1?){4}$",[]))), 
?line <<"aaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaa","^(a\\1?){4}$",[trim]))), 
?line <<"aaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<"aaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaa","^(a\\1?){4}$",[]))), 
?line <<"aaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaa","^(a\\1?){4}$",[trim]))), 
?line <<"aaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<"aaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaa","^(a\\1?){4}$",[]))), 
?line <<"aaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaa","^(a\\1?){4}$",[trim]))), 
?line <<"aaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<"aaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaa","^(a\\1?){4}$",[]))), 
?line <<"aaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaa","^(a\\1?){4}$",[trim]))), 
?line <<"aaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<"aaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaa","^(a\\1?){4}$",[]))), 
?line <<"aaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaa","^(a\\1?){4}$",[trim]))), 
?line <<"aaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                                            2}]))), 
?line <<"aaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaa","^(a\\1?){4}$",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                     2}]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<"aa">> = iolist_to_binary(join(re:split("aa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<"aa">> = iolist_to_binary(join(re:split("aa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                       2}]))), 
?line <<"aa">> = iolist_to_binary(join(re:split("aa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<"aaa">> = iolist_to_binary(join(re:split("aaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<"aaa">> = iolist_to_binary(join(re:split("aaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                         2}]))), 
?line <<"aaa">> = iolist_to_binary(join(re:split("aaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<":a:a:a:a">> = iolist_to_binary(join(re:split("aaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<":a:a:a:a:">> = iolist_to_binary(join(re:split("aaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                           2}]))), 
?line <<":a:a:a:a:">> = iolist_to_binary(join(re:split("aaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<":a:aa:a:a">> = iolist_to_binary(join(re:split("aaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<":a:aa:a:a:">> = iolist_to_binary(join(re:split("aaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                             2}]))), 
?line <<":a:aa:a:a:">> = iolist_to_binary(join(re:split("aaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<":a:aa:a:aa">> = iolist_to_binary(join(re:split("aaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<":a:aa:a:aa:">> = iolist_to_binary(join(re:split("aaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                               2}]))), 
?line <<":a:aa:a:aa:">> = iolist_to_binary(join(re:split("aaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<":a:aa:aaa:a">> = iolist_to_binary(join(re:split("aaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<":a:aa:aaa:a:">> = iolist_to_binary(join(re:split("aaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                                 2}]))), 
?line <<":a:aa:aaa:a:">> = iolist_to_binary(join(re:split("aaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<"aaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<"aaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                                   2}]))), 
?line <<"aaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<"aaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<"aaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                                     2}]))), 
?line <<"aaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<":a:aa:aaa:aaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<":a:aa:aaa:aaaa:">> = iolist_to_binary(join(re:split("aaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                                       2}]))), 
?line <<":a:aa:aaa:aaaa:">> = iolist_to_binary(join(re:split("aaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<"aaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<"aaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                                         2}]))), 
?line <<"aaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<"aaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<"aaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                                           2}]))), 
?line <<"aaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<"aaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<"aaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                                             2}]))), 
?line <<"aaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<"aaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<"aaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                                               2}]))), 
?line <<"aaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<"aaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<"aaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                                                 2}]))), 
?line <<"aaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<"aaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[trim]))), 
?line <<"aaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[{parts,
                                                                                                                                                                                                                                                   2}]))), 
?line <<"aaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaa","^(a\\1?)(a\\1?)(a\\2?)(a\\3?)$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","abc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","abc",[{parts,
                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","abc",[]))), 
?line <<"x:y">> = iolist_to_binary(join(re:split("xabcy","abc",[trim]))), 
?line <<"x:y">> = iolist_to_binary(join(re:split("xabcy","abc",[{parts,
                                                                                                                                                                  2}]))), 
?line <<"x:y">> = iolist_to_binary(join(re:split("xabcy","abc",[]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ababc","abc",[trim]))), 
?line <<"ab:">> = iolist_to_binary(join(re:split("ababc","abc",[{parts,
                                                                                                                                                                  2}]))), 
?line <<"ab:">> = iolist_to_binary(join(re:split("ababc","abc",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc",[]))), 
?line <<"xbc">> = iolist_to_binary(join(re:split("xbc","abc",[trim]))), 
?line <<"xbc">> = iolist_to_binary(join(re:split("xbc","abc",[{parts,
                                                                                                                                                              2}]))), 
?line <<"xbc">> = iolist_to_binary(join(re:split("xbc","abc",[]))), 
?line <<"axc">> = iolist_to_binary(join(re:split("axc","abc",[trim]))), 
?line <<"axc">> = iolist_to_binary(join(re:split("axc","abc",[{parts,
                                                                                                                                                              2}]))), 
?line <<"axc">> = iolist_to_binary(join(re:split("axc","abc",[]))), 
?line <<"abx">> = iolist_to_binary(join(re:split("abx","abc",[trim]))), 
?line <<"abx">> = iolist_to_binary(join(re:split("abx","abc",[{parts,
                                                                                                                                                              2}]))), 
?line <<"abx">> = iolist_to_binary(join(re:split("abx","abc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","ab*c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","ab*c",[{parts,
                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","ab*c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","ab*bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","ab*bc",[{parts,
                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","ab*bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abbc","ab*bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbc","ab*bc",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbc","ab*bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abbbbc","ab*bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab*bc",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab*bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abbbbc",".{1}",[trim]))), 
?line <<":bbbbc">> = iolist_to_binary(join(re:split("abbbbc",".{1}",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"::::::">> = iolist_to_binary(join(re:split("abbbbc",".{1}",[]))), 
?line <<":bc">> = iolist_to_binary(join(re:split("abbbbc",".{3,4}",[trim]))), 
?line <<":bc">> = iolist_to_binary(join(re:split("abbbbc",".{3,4}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":bc">> = iolist_to_binary(join(re:split("abbbbc",".{3,4}",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abbbbc","ab{0,}bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab{0,}bc",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab{0,}bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abbc","ab+bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbc","ab+bc",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbc","ab+bc",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab+bc",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab+bc",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab+bc",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","ab+bc",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","ab+bc",[{parts,
                                                                                                                                                                  2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","ab+bc",[]))), 
?line <<"abq">> = iolist_to_binary(join(re:split("abq","ab+bc",[trim]))), 
?line <<"abq">> = iolist_to_binary(join(re:split("abq","ab+bc",[{parts,
                                                                                                                                                                  2}]))), 
?line <<"abq">> = iolist_to_binary(join(re:split("abq","ab+bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abbbbc","ab+bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab+bc",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab+bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abbbbc","ab{1,}bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab{1,}bc",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab{1,}bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abbbbc","ab{1,3}bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab{1,3}bc",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab{1,3}bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abbbbc","ab{3,4}bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab{3,4}bc",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbbbc","ab{3,4}bc",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab{4,5}bc",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab{4,5}bc",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab{4,5}bc",[]))), 
?line <<"abq">> = iolist_to_binary(join(re:split("abq","ab{4,5}bc",[trim]))), 
?line <<"abq">> = iolist_to_binary(join(re:split("abq","ab{4,5}bc",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"abq">> = iolist_to_binary(join(re:split("abq","ab{4,5}bc",[]))), 
?line <<"abbbbc">> = iolist_to_binary(join(re:split("abbbbc","ab{4,5}bc",[trim]))), 
?line <<"abbbbc">> = iolist_to_binary(join(re:split("abbbbc","ab{4,5}bc",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"abbbbc">> = iolist_to_binary(join(re:split("abbbbc","ab{4,5}bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abbc","ab?bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbc","ab?bc",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abbc","ab?bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","ab?bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","ab?bc",[{parts,
                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","ab?bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","ab{0,1}bc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","ab{0,1}bc",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","ab{0,1}bc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","ab?c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","ab?c",[{parts,
                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","ab?c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","ab{0,1}c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","ab{0,1}c",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","ab{0,1}c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","^abc$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^abc$",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^abc$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^abc$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^abc$",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^abc$",[]))), 
?line <<"abbbbc">> = iolist_to_binary(join(re:split("abbbbc","^abc$",[trim]))), 
?line <<"abbbbc">> = iolist_to_binary(join(re:split("abbbbc","^abc$",[{parts,
                                                                                                                                                                         2}]))), 
?line <<"abbbbc">> = iolist_to_binary(join(re:split("abbbbc","^abc$",[]))), 
?line <<"abcc">> = iolist_to_binary(join(re:split("abcc","^abc$",[trim]))), 
?line <<"abcc">> = iolist_to_binary(join(re:split("abcc","^abc$",[{parts,
                                                                                                                                                                     2}]))), 
?line <<"abcc">> = iolist_to_binary(join(re:split("abcc","^abc$",[]))), 
?line <<":c">> = iolist_to_binary(join(re:split("abcc","^abc",[trim]))), 
?line <<":c">> = iolist_to_binary(join(re:split("abcc","^abc",[{parts,
                                                                                                                                                                  2}]))), 
?line <<":c">> = iolist_to_binary(join(re:split("abcc","^abc",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("aabc","abc$",[trim]))), 
?line <<"a:">> = iolist_to_binary(join(re:split("aabc","abc$",[{parts,
                                                                                                                                                                   2}]))), 
?line <<"a:">> = iolist_to_binary(join(re:split("aabc","abc$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc$",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc$",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("aabc","abc$",[trim]))), 
?line <<"a:">> = iolist_to_binary(join(re:split("aabc","abc$",[{parts,
                                                                                                                                                                   2}]))), 
?line <<"a:">> = iolist_to_binary(join(re:split("aabc","abc$",[]))), 
?line <<"aabcd">> = iolist_to_binary(join(re:split("aabcd","abc$",[trim]))), 
?line <<"aabcd">> = iolist_to_binary(join(re:split("aabcd","abc$",[{parts,
                                                                                                                                                                     2}]))), 
?line <<"aabcd">> = iolist_to_binary(join(re:split("aabcd","abc$",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^",[{parts,
                                                                                                                                                          2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","$",[trim]))), 
?line <<"abc:">> = iolist_to_binary(join(re:split("abc","$",[{parts,
                                                                                                                                                           2}]))), 
?line <<"abc:">> = iolist_to_binary(join(re:split("abc","$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","a.c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","a.c",[{parts,
                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","a.c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("axc","a.c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("axc","a.c",[{parts,
                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("axc","a.c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("axyzc","a.*c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("axyzc","a.*c",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("axyzc","a.*c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abd","a[bc]d",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abd","a[bc]d",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abd","a[bc]d",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[bc]d",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[bc]d",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[bc]d",[]))), 
?line <<"axyzd">> = iolist_to_binary(join(re:split("axyzd","a[bc]d",[trim]))), 
?line <<"axyzd">> = iolist_to_binary(join(re:split("axyzd","a[bc]d",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"axyzd">> = iolist_to_binary(join(re:split("axyzd","a[bc]d",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","a[bc]d",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","a[bc]d",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","a[bc]d",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ace","a[b-d]e",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ace","a[b-d]e",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ace","a[b-d]e",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("aac","a[b-d]",[trim]))), 
?line <<"a:">> = iolist_to_binary(join(re:split("aac","a[b-d]",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"a:">> = iolist_to_binary(join(re:split("aac","a[b-d]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a-","a[-b]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-","a[-b]",[{parts,
                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-","a[-b]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a-","a[b-]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-","a[b-]",[{parts,
                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-","a[b-]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a]","a]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a]","a]",[{parts,
                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a]","a]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a]b","a[]]b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a]b","a[]]b",[{parts,
                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a]b","a[]]b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aed","a[^bc]d",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aed","a[^bc]d",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aed","a[^bc]d",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[^bc]d",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[^bc]d",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[^bc]d",[]))), 
?line <<"abd">> = iolist_to_binary(join(re:split("abd","a[^bc]d",[trim]))), 
?line <<"abd">> = iolist_to_binary(join(re:split("abd","a[^bc]d",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"abd">> = iolist_to_binary(join(re:split("abd","a[^bc]d",[]))), 
?line <<"abd">> = iolist_to_binary(join(re:split("abd","a[^bc]d",[trim]))), 
?line <<"abd">> = iolist_to_binary(join(re:split("abd","a[^bc]d",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"abd">> = iolist_to_binary(join(re:split("abd","a[^bc]d",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("adc","a[^-b]c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("adc","a[^-b]c",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("adc","a[^-b]c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("adc","a[^]b]c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("adc","a[^]b]c",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("adc","a[^]b]c",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[^]b]c",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[^]b]c",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[^]b]c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a-c","a[^]b]c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-c","a[^]b]c",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-c","a[^]b]c",[]))), 
?line <<"a]c">> = iolist_to_binary(join(re:split("a]c","a[^]b]c",[trim]))), 
?line <<"a]c">> = iolist_to_binary(join(re:split("a]c","a[^]b]c",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"a]c">> = iolist_to_binary(join(re:split("a]c","a[^]b]c",[]))), 
?line <<":-">> = iolist_to_binary(join(re:split("a-","\\ba\\b",[trim]))), 
?line <<":-">> = iolist_to_binary(join(re:split("a-","\\ba\\b",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":-">> = iolist_to_binary(join(re:split("a-","\\ba\\b",[]))), 
?line <<"-">> = iolist_to_binary(join(re:split("-a","\\ba\\b",[trim]))), 
?line <<"-:">> = iolist_to_binary(join(re:split("-a","\\ba\\b",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"-:">> = iolist_to_binary(join(re:split("-a","\\ba\\b",[]))), 
?line <<"-:-">> = iolist_to_binary(join(re:split("-a-","\\ba\\b",[trim]))), 
?line <<"-:-">> = iolist_to_binary(join(re:split("-a-","\\ba\\b",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"-:-">> = iolist_to_binary(join(re:split("-a-","\\ba\\b",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\by\\b",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\by\\b",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\by\\b",[]))), 
?line <<"xy">> = iolist_to_binary(join(re:split("xy","\\by\\b",[trim]))), 
?line <<"xy">> = iolist_to_binary(join(re:split("xy","\\by\\b",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"xy">> = iolist_to_binary(join(re:split("xy","\\by\\b",[]))), 
?line <<"yz">> = iolist_to_binary(join(re:split("yz","\\by\\b",[trim]))), 
?line <<"yz">> = iolist_to_binary(join(re:split("yz","\\by\\b",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"yz">> = iolist_to_binary(join(re:split("yz","\\by\\b",[]))), 
?line <<"xyz">> = iolist_to_binary(join(re:split("xyz","\\by\\b",[trim]))), 
?line <<"xyz">> = iolist_to_binary(join(re:split("xyz","\\by\\b",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"xyz">> = iolist_to_binary(join(re:split("xyz","\\by\\b",[]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","\\Ba\\B",[trim]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","\\Ba\\B",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","\\Ba\\B",[]))), 
?line <<"a-">> = iolist_to_binary(join(re:split("a-","\\Ba\\B",[trim]))), 
?line <<"a-">> = iolist_to_binary(join(re:split("a-","\\Ba\\B",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"a-">> = iolist_to_binary(join(re:split("a-","\\Ba\\B",[]))), 
?line <<"-a">> = iolist_to_binary(join(re:split("-a","\\Ba\\B",[trim]))), 
?line <<"-a">> = iolist_to_binary(join(re:split("-a","\\Ba\\B",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"-a">> = iolist_to_binary(join(re:split("-a","\\Ba\\B",[]))), 
?line <<"-a-">> = iolist_to_binary(join(re:split("-a-","\\Ba\\B",[trim]))), 
?line <<"-a-">> = iolist_to_binary(join(re:split("-a-","\\Ba\\B",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"-a-">> = iolist_to_binary(join(re:split("-a-","\\Ba\\B",[]))), 
?line <<"x">> = iolist_to_binary(join(re:split("xy","\\By\\b",[trim]))), 
?line <<"x:">> = iolist_to_binary(join(re:split("xy","\\By\\b",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"x:">> = iolist_to_binary(join(re:split("xy","\\By\\b",[]))), 
?line <<":z">> = iolist_to_binary(join(re:split("yz","\\by\\B",[trim]))), 
?line <<":z">> = iolist_to_binary(join(re:split("yz","\\by\\B",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":z">> = iolist_to_binary(join(re:split("yz","\\by\\B",[]))), 
?line <<"x:z">> = iolist_to_binary(join(re:split("xyz","\\By\\B",[trim]))), 
?line <<"x:z">> = iolist_to_binary(join(re:split("xyz","\\By\\B",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"x:z">> = iolist_to_binary(join(re:split("xyz","\\By\\B",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","\\w",[{parts,
                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("-","\\W",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","\\W",[{parts,
                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","\\W",[]))), 
?line <<"::::Failers">> = iolist_to_binary(join(re:split("*** Failers","\\W",[trim]))), 
?line <<":** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\W",[{parts,
                                                                                                                                                                               2}]))), 
?line <<"::::Failers">> = iolist_to_binary(join(re:split("*** Failers","\\W",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("-","\\W",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","\\W",[{parts,
                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","\\W",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","\\W",[trim]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","\\W",[{parts,
                                                                                                                                                           2}]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","\\W",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a b","a\\sb",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a b","a\\sb",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a b","a\\sb",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a-b","a\\Sb",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-b","a\\Sb",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-b","a\\Sb",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a\\Sb",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a\\Sb",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a\\Sb",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a-b","a\\Sb",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-b","a\\Sb",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-b","a\\Sb",[]))), 
?line <<"a b">> = iolist_to_binary(join(re:split("a b","a\\Sb",[trim]))), 
?line <<"a b">> = iolist_to_binary(join(re:split("a b","a\\Sb",[{parts,
                                                                                                                                                                   2}]))), 
?line <<"a b">> = iolist_to_binary(join(re:split("a b","a\\Sb",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("1","\\d",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("1","\\d",[{parts,
                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("1","\\d",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("-","\\D",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","\\D",[{parts,
                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","\\D",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("*** Failers","\\D",[trim]))), 
?line <<":** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\D",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":::::::::::">> = iolist_to_binary(join(re:split("*** Failers","\\D",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("-","\\D",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","\\D",[{parts,
                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","\\D",[]))), 
?line <<"1">> = iolist_to_binary(join(re:split("1","\\D",[trim]))), 
?line <<"1">> = iolist_to_binary(join(re:split("1","\\D",[{parts,
                                                                                                                                                           2}]))), 
?line <<"1">> = iolist_to_binary(join(re:split("1","\\D",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","[\\w]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","[\\w]",[{parts,
                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","[\\w]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("-","[\\W]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","[\\W]",[{parts,
                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","[\\W]",[]))), 
?line <<"::::Failers">> = iolist_to_binary(join(re:split("*** Failers","[\\W]",[trim]))), 
?line <<":** Failers">> = iolist_to_binary(join(re:split("*** Failers","[\\W]",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<"::::Failers">> = iolist_to_binary(join(re:split("*** Failers","[\\W]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("-","[\\W]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","[\\W]",[{parts,
                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","[\\W]",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","[\\W]",[trim]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","[\\W]",[{parts,
                                                                                                                                                               2}]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","[\\W]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a b","a[\\s]b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a b","a[\\s]b",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a b","a[\\s]b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a-b","a[\\S]b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-b","a[\\S]b",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-b","a[\\S]b",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[\\S]b",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[\\S]b",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[\\S]b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a-b","a[\\S]b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-b","a[\\S]b",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a-b","a[\\S]b",[]))), 
?line <<"a b">> = iolist_to_binary(join(re:split("a b","a[\\S]b",[trim]))), 
?line <<"a b">> = iolist_to_binary(join(re:split("a b","a[\\S]b",[{parts,
                                                                                                                                                                       2}]))), 
?line <<"a b">> = iolist_to_binary(join(re:split("a b","a[\\S]b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("1","[\\d]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("1","[\\d]",[{parts,
                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("1","[\\d]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("-","[\\D]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","[\\D]",[{parts,
                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","[\\D]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("*** Failers","[\\D]",[trim]))), 
?line <<":** Failers">> = iolist_to_binary(join(re:split("*** Failers","[\\D]",[{parts,
                                                                                                                                                                                   2}]))), 
?line <<":::::::::::">> = iolist_to_binary(join(re:split("*** Failers","[\\D]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("-","[\\D]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","[\\D]",[{parts,
                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","[\\D]",[]))), 
?line <<"1">> = iolist_to_binary(join(re:split("1","[\\D]",[trim]))), 
?line <<"1">> = iolist_to_binary(join(re:split("1","[\\D]",[{parts,
                                                                                                                                                               2}]))), 
?line <<"1">> = iolist_to_binary(join(re:split("1","[\\D]",[]))), 
?line <<":c">> = iolist_to_binary(join(re:split("abc","ab|cd",[trim]))), 
?line <<":c">> = iolist_to_binary(join(re:split("abc","ab|cd",[{parts,
                                                                                                                                                                  2}]))), 
?line <<":c">> = iolist_to_binary(join(re:split("abc","ab|cd",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcd","ab|cd",[trim]))), 
?line <<":cd">> = iolist_to_binary(join(re:split("abcd","ab|cd",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abcd","ab|cd",[]))), 
?line <<"d">> = iolist_to_binary(join(re:split("def","()ef",[trim]))), 
?line <<"d::">> = iolist_to_binary(join(re:split("def","()ef",[{parts,
                                                                                                                                                                2}]))), 
?line <<"d::">> = iolist_to_binary(join(re:split("def","()ef",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a(b","a\\(b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a(b","a\\(b",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a(b","a\\(b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab","a\\(*b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","a\\(*b",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","a\\(*b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a((b","a\\(*b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a((b","a\\(*b",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a((b","a\\(*b",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","a\\\\b",[trim]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","a\\\\b",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","a\\\\b",[]))), 
?line <<":a:a:bc">> = iolist_to_binary(join(re:split("abc","((a))",[trim]))), 
?line <<":a:a:bc">> = iolist_to_binary(join(re:split("abc","((a))",[{parts,
                                                                                                                                                                  2}]))), 
?line <<":a:a:bc">> = iolist_to_binary(join(re:split("abc","((a))",[]))), 
?line <<":a:c">> = iolist_to_binary(join(re:split("abc","(a)b(c)",[trim]))), 
?line <<":a:c:">> = iolist_to_binary(join(re:split("abc","(a)b(c)",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":a:c:">> = iolist_to_binary(join(re:split("abc","(a)b(c)",[]))), 
?line <<"aabb">> = iolist_to_binary(join(re:split("aabbabc","a+b+c",[trim]))), 
?line <<"aabb:">> = iolist_to_binary(join(re:split("aabbabc","a+b+c",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"aabb:">> = iolist_to_binary(join(re:split("aabbabc","a+b+c",[]))), 
?line <<"aabb">> = iolist_to_binary(join(re:split("aabbabc","a{1,}b{1,}c",[trim]))), 
?line <<"aabb:">> = iolist_to_binary(join(re:split("aabbabc","a{1,}b{1,}c",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<"aabb:">> = iolist_to_binary(join(re:split("aabbabc","a{1,}b{1,}c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcabc","a.+?c",[trim]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abcabc","a.+?c",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abcabc","a.+?c",[]))), 
?line <<":b">> = iolist_to_binary(join(re:split("ab","(a+|b)*",[trim]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("ab","(a+|b)*",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("ab","(a+|b)*",[]))), 
?line <<":b">> = iolist_to_binary(join(re:split("ab","(a+|b){0,}",[trim]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("ab","(a+|b){0,}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("ab","(a+|b){0,}",[]))), 
?line <<":b">> = iolist_to_binary(join(re:split("ab","(a+|b)+",[trim]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("ab","(a+|b)+",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("ab","(a+|b)+",[]))), 
?line <<":b">> = iolist_to_binary(join(re:split("ab","(a+|b){1,}",[trim]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("ab","(a+|b){1,}",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("ab","(a+|b){1,}",[]))), 
?line <<":a::b">> = iolist_to_binary(join(re:split("ab","(a+|b)?",[trim]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("ab","(a+|b)?",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":a::b:">> = iolist_to_binary(join(re:split("ab","(a+|b)?",[]))), 
?line <<":a::b">> = iolist_to_binary(join(re:split("ab","(a+|b){0,1}",[trim]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("ab","(a+|b){0,1}",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":a::b:">> = iolist_to_binary(join(re:split("ab","(a+|b){0,1}",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("cde","[^ab]*",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("cde","[^ab]*",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("cde","[^ab]*",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc",[]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","abc",[trim]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","abc",[{parts,
                                                                                                                                                          2}]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","abc",[]))), 
?line <<":c">> = iolist_to_binary(join(re:split("abbbcd","([abc])*d",[trim]))), 
?line <<":c:">> = iolist_to_binary(join(re:split("abbbcd","([abc])*d",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":c:">> = iolist_to_binary(join(re:split("abbbcd","([abc])*d",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("abcd","([abc])*bcd",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("abcd","([abc])*bcd",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("abcd","([abc])*bcd",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("e","a|b|c|d|e",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("e","a|b|c|d|e",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("e","a|b|c|d|e",[]))), 
?line <<":e">> = iolist_to_binary(join(re:split("ef","(a|b|c|d|e)f",[trim]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("ef","(a|b|c|d|e)f",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("ef","(a|b|c|d|e)f",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcdefg","abcd*efg",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcdefg","abcd*efg",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcdefg","abcd*efg",[]))), 
?line <<"x:y:z">> = iolist_to_binary(join(re:split("xabyabbbz","ab*",[trim]))), 
?line <<"x:yabbbz">> = iolist_to_binary(join(re:split("xabyabbbz","ab*",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"x:y:z">> = iolist_to_binary(join(re:split("xabyabbbz","ab*",[]))), 
?line <<"x:y:z">> = iolist_to_binary(join(re:split("xayabbbz","ab*",[trim]))), 
?line <<"x:yabbbz">> = iolist_to_binary(join(re:split("xayabbbz","ab*",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"x:y:z">> = iolist_to_binary(join(re:split("xayabbbz","ab*",[]))), 
?line <<"ab:cd">> = iolist_to_binary(join(re:split("abcde","(ab|cd)e",[trim]))), 
?line <<"ab:cd:">> = iolist_to_binary(join(re:split("abcde","(ab|cd)e",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"ab:cd:">> = iolist_to_binary(join(re:split("abcde","(ab|cd)e",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("hij","[abhgefdc]ij",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("hij","[abhgefdc]ij",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("hij","[abhgefdc]ij",[]))), 
?line <<"abcd">> = iolist_to_binary(join(re:split("abcdef","(abc|)ef",[trim]))), 
?line <<"abcd::">> = iolist_to_binary(join(re:split("abcdef","(abc|)ef",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"abcd::">> = iolist_to_binary(join(re:split("abcdef","(abc|)ef",[]))), 
?line <<"a:b">> = iolist_to_binary(join(re:split("abcd","(a|b)c*d",[trim]))), 
?line <<"a:b:">> = iolist_to_binary(join(re:split("abcd","(a|b)c*d",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"a:b:">> = iolist_to_binary(join(re:split("abcd","(a|b)c*d",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("abc","(ab|ab*)bc",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("abc","(ab|ab*)bc",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("abc","(ab|ab*)bc",[]))), 
?line <<":bc">> = iolist_to_binary(join(re:split("abc","a([bc]*)c*",[trim]))), 
?line <<":bc:">> = iolist_to_binary(join(re:split("abc","a([bc]*)c*",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":bc:">> = iolist_to_binary(join(re:split("abc","a([bc]*)c*",[]))), 
?line <<":bc:d">> = iolist_to_binary(join(re:split("abcd","a([bc]*)(c*d)",[trim]))), 
?line <<":bc:d:">> = iolist_to_binary(join(re:split("abcd","a([bc]*)(c*d)",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":bc:d:">> = iolist_to_binary(join(re:split("abcd","a([bc]*)(c*d)",[]))), 
?line <<":bc:d">> = iolist_to_binary(join(re:split("abcd","a([bc]+)(c*d)",[trim]))), 
?line <<":bc:d:">> = iolist_to_binary(join(re:split("abcd","a([bc]+)(c*d)",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":bc:d:">> = iolist_to_binary(join(re:split("abcd","a([bc]+)(c*d)",[]))), 
?line <<":b:cd">> = iolist_to_binary(join(re:split("abcd","a([bc]*)(c+d)",[trim]))), 
?line <<":b:cd:">> = iolist_to_binary(join(re:split("abcd","a([bc]*)(c+d)",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":b:cd:">> = iolist_to_binary(join(re:split("abcd","a([bc]*)(c+d)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("adcdcde","a[bcd]*dcdcde",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("adcdcde","a[bcd]*dcdcde",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("adcdcde","a[bcd]*dcdcde",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[bcd]+dcdcde",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[bcd]+dcdcde",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[bcd]+dcdcde",[]))), 
?line <<"abcde">> = iolist_to_binary(join(re:split("abcde","a[bcd]+dcdcde",[trim]))), 
?line <<"abcde">> = iolist_to_binary(join(re:split("abcde","a[bcd]+dcdcde",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<"abcde">> = iolist_to_binary(join(re:split("abcde","a[bcd]+dcdcde",[]))), 
?line <<"adcdcde">> = iolist_to_binary(join(re:split("adcdcde","a[bcd]+dcdcde",[trim]))), 
?line <<"adcdcde">> = iolist_to_binary(join(re:split("adcdcde","a[bcd]+dcdcde",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"adcdcde">> = iolist_to_binary(join(re:split("adcdcde","a[bcd]+dcdcde",[]))), 
?line <<":ab">> = iolist_to_binary(join(re:split("abc","(ab|a)b*c",[trim]))), 
?line <<":ab:">> = iolist_to_binary(join(re:split("abc","(ab|a)b*c",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":ab:">> = iolist_to_binary(join(re:split("abc","(ab|a)b*c",[]))), 
?line <<":abc:a:b:d">> = iolist_to_binary(join(re:split("abcd","((a)(b)c)(d)",[trim]))), 
?line <<":abc:a:b:d:">> = iolist_to_binary(join(re:split("abcd","((a)(b)c)(d)",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<":abc:a:b:d:">> = iolist_to_binary(join(re:split("abcd","((a)(b)c)(d)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("alpha","[a-zA-Z_][a-zA-Z0-9_]*",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("alpha","[a-zA-Z_][a-zA-Z0-9_]*",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("alpha","[a-zA-Z_][a-zA-Z0-9_]*",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("abh","^a(bc+|b[eh])g|.h$",[trim]))), 
?line <<"a::">> = iolist_to_binary(join(re:split("abh","^a(bc+|b[eh])g|.h$",[{parts,
                                                                                                                                                                                             2}]))), 
?line <<"a::">> = iolist_to_binary(join(re:split("abh","^a(bc+|b[eh])g|.h$",[]))), 
?line <<":effgz">> = iolist_to_binary(join(re:split("effgz","(bc+d$|ef*g.|h?i(j|k))",[trim]))), 
?line <<":effgz::">> = iolist_to_binary(join(re:split("effgz","(bc+d$|ef*g.|h?i(j|k))",[{parts,
                                                                                                                                                                                                         2}]))), 
?line <<":effgz::">> = iolist_to_binary(join(re:split("effgz","(bc+d$|ef*g.|h?i(j|k))",[]))), 
?line <<":ij:j">> = iolist_to_binary(join(re:split("ij","(bc+d$|ef*g.|h?i(j|k))",[trim]))), 
?line <<":ij:j:">> = iolist_to_binary(join(re:split("ij","(bc+d$|ef*g.|h?i(j|k))",[{parts,
                                                                                                                                                                                                   2}]))), 
?line <<":ij:j:">> = iolist_to_binary(join(re:split("ij","(bc+d$|ef*g.|h?i(j|k))",[]))), 
?line <<"r:effgz">> = iolist_to_binary(join(re:split("reffgz","(bc+d$|ef*g.|h?i(j|k))",[trim]))), 
?line <<"r:effgz::">> = iolist_to_binary(join(re:split("reffgz","(bc+d$|ef*g.|h?i(j|k))",[{parts,
                                                                                                                                                                                                           2}]))), 
?line <<"r:effgz::">> = iolist_to_binary(join(re:split("reffgz","(bc+d$|ef*g.|h?i(j|k))",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(bc+d$|ef*g.|h?i(j|k))",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(bc+d$|ef*g.|h?i(j|k))",[{parts,
                                                                                                                                                                                                                     2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(bc+d$|ef*g.|h?i(j|k))",[]))), 
?line <<"effg">> = iolist_to_binary(join(re:split("effg","(bc+d$|ef*g.|h?i(j|k))",[trim]))), 
?line <<"effg">> = iolist_to_binary(join(re:split("effg","(bc+d$|ef*g.|h?i(j|k))",[{parts,
                                                                                                                                                                                                       2}]))), 
?line <<"effg">> = iolist_to_binary(join(re:split("effg","(bc+d$|ef*g.|h?i(j|k))",[]))), 
?line <<"bcdd">> = iolist_to_binary(join(re:split("bcdd","(bc+d$|ef*g.|h?i(j|k))",[trim]))), 
?line <<"bcdd">> = iolist_to_binary(join(re:split("bcdd","(bc+d$|ef*g.|h?i(j|k))",[{parts,
                                                                                                                                                                                                       2}]))), 
?line <<"bcdd">> = iolist_to_binary(join(re:split("bcdd","(bc+d$|ef*g.|h?i(j|k))",[]))), 
?line <<":a:a:a:a:a:a:a:a:a:a">> = iolist_to_binary(join(re:split("a","((((((((((a))))))))))",[trim]))), 
?line <<":a:a:a:a:a:a:a:a:a:a:">> = iolist_to_binary(join(re:split("a","((((((((((a))))))))))",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<":a:a:a:a:a:a:a:a:a:a:">> = iolist_to_binary(join(re:split("a","((((((((((a))))))))))",[]))), 
?line <<":a:a:a:a:a:a:a:a:a:a">> = iolist_to_binary(join(re:split("aa","((((((((((a))))))))))\\10",[trim]))), 
?line <<":a:a:a:a:a:a:a:a:a:a:">> = iolist_to_binary(join(re:split("aa","((((((((((a))))))))))\\10",[{parts,
                                                                                                                                                                                                         2}]))), 
?line <<":a:a:a:a:a:a:a:a:a:a:">> = iolist_to_binary(join(re:split("aa","((((((((((a))))))))))\\10",[]))), 
?line <<":a:a:a:a:a:a:a:a:a">> = iolist_to_binary(join(re:split("a","(((((((((a)))))))))",[trim]))), 
?line <<":a:a:a:a:a:a:a:a:a:">> = iolist_to_binary(join(re:split("a","(((((((((a)))))))))",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":a:a:a:a:a:a:a:a:a:">> = iolist_to_binary(join(re:split("a","(((((((((a)))))))))",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","multiple words of text",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","multiple words of text",[{parts,
                                                                                                                                                                                                                    2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","multiple words of text",[]))), 
?line <<"aa">> = iolist_to_binary(join(re:split("aa","multiple words of text",[trim]))), 
?line <<"aa">> = iolist_to_binary(join(re:split("aa","multiple words of text",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"aa">> = iolist_to_binary(join(re:split("aa","multiple words of text",[]))), 
?line <<"uh-uh">> = iolist_to_binary(join(re:split("uh-uh","multiple words of text",[trim]))), 
?line <<"uh-uh">> = iolist_to_binary(join(re:split("uh-uh","multiple words of text",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<"uh-uh">> = iolist_to_binary(join(re:split("uh-uh","multiple words of text",[]))), 
?line <<":, yeah">> = iolist_to_binary(join(re:split("multiple words, yeah","multiple words",[trim]))), 
?line <<":, yeah">> = iolist_to_binary(join(re:split("multiple words, yeah","multiple words",[{parts,
                                                                                                                                                                                                                      2}]))), 
?line <<":, yeah">> = iolist_to_binary(join(re:split("multiple words, yeah","multiple words",[]))), 
?line <<":ab:de">> = iolist_to_binary(join(re:split("abcde","(.*)c(.*)",[trim]))), 
?line <<":ab:de:">> = iolist_to_binary(join(re:split("abcde","(.*)c(.*)",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":ab:de:">> = iolist_to_binary(join(re:split("abcde","(.*)c(.*)",[]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("(a, b)","\\((.*), (.*)\\)",[trim]))), 
?line <<":a:b:">> = iolist_to_binary(join(re:split("(a, b)","\\((.*), (.*)\\)",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<":a:b:">> = iolist_to_binary(join(re:split("(a, b)","\\((.*), (.*)\\)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcd","abcd",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcd","abcd",[{parts,
                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcd","abcd",[]))), 
?line <<":bc">> = iolist_to_binary(join(re:split("abcd","a(bc)d",[trim]))), 
?line <<":bc:">> = iolist_to_binary(join(re:split("abcd","a(bc)d",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":bc:">> = iolist_to_binary(join(re:split("abcd","a(bc)d",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ac","a[-]?c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ac","a[-]?c",[{parts,
                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ac","a[-]?c",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abcabc","(abc)\\1",[trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcabc","(abc)\\1",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcabc","(abc)\\1",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abcabc","([a-c]*)\\1",[trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcabc","([a-c]*)\\1",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abcabc","([a-c]*)\\1",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("a","(a)|\\1",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("a","(a)|\\1",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("a","(a)|\\1",[]))), 
?line <<"*** F:a:ilers">> = iolist_to_binary(join(re:split("*** Failers","(a)|\\1",[trim]))), 
?line <<"*** F:a:ilers">> = iolist_to_binary(join(re:split("*** Failers","(a)|\\1",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<"*** F:a:ilers">> = iolist_to_binary(join(re:split("*** Failers","(a)|\\1",[]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("ab","(a)|\\1",[trim]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("ab","(a)|\\1",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":a:b">> = iolist_to_binary(join(re:split("ab","(a)|\\1",[]))), 
?line <<"x">> = iolist_to_binary(join(re:split("x","(a)|\\1",[trim]))), 
?line <<"x">> = iolist_to_binary(join(re:split("x","(a)|\\1",[{parts,
                                                                                                                                                                   2}]))), 
?line <<"x">> = iolist_to_binary(join(re:split("x","(a)|\\1",[]))), 
?line <<":bb:b:b:cbc:c">> = iolist_to_binary(join(re:split("ababbbcbc","(([a-c])b*?\\2)*",[trim]))), 
?line <<":bb:b:bcbc">> = iolist_to_binary(join(re:split("ababbbcbc","(([a-c])b*?\\2)*",[{parts,
                                                                                                                                                                                                     2}]))), 
?line <<":bb:b:b:cbc:c:">> = iolist_to_binary(join(re:split("ababbbcbc","(([a-c])b*?\\2)*",[]))), 
?line <<":cbc:c">> = iolist_to_binary(join(re:split("ababbbcbc","(([a-c])b*?\\2){3}",[trim]))), 
?line <<":cbc:c:">> = iolist_to_binary(join(re:split("ababbbcbc","(([a-c])b*?\\2){3}",[{parts,
                                                                                                                                                                                                         2}]))), 
?line <<":cbc:c:">> = iolist_to_binary(join(re:split("ababbbcbc","(([a-c])b*?\\2){3}",[]))), 
?line <<"aaaxabaxbaax:bbax:b:a">> = iolist_to_binary(join(re:split("aaaxabaxbaaxbbax","((\\3|b)\\2(a)x)+",[trim]))), 
?line <<"aaaxabaxbaax:bbax:b:a:">> = iolist_to_binary(join(re:split("aaaxabaxbaaxbbax","((\\3|b)\\2(a)x)+",[{parts,
                                                                                                                                                                                                                      2}]))), 
?line <<"aaaxabaxbaax:bbax:b:a:">> = iolist_to_binary(join(re:split("aaaxabaxbaaxbbax","((\\3|b)\\2(a)x)+",[]))), 
?line <<"bbaababbabaaaaa:bba:b:a">> = iolist_to_binary(join(re:split("bbaababbabaaaaabbaaaabba","((\\3|b)\\2(a)){2,}",[trim]))), 
?line <<"bbaababbabaaaaa:bba:b:a:">> = iolist_to_binary(join(re:split("bbaababbabaaaaabbaaaabba","((\\3|b)\\2(a)){2,}",[{parts,
                                                                                                                                                                                                                                          2}]))), 
?line <<"bbaababbabaaaaa:bba:b:a:">> = iolist_to_binary(join(re:split("bbaababbabaaaaabbaaaabba","((\\3|b)\\2(a)){2,}",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABC","abc",[caseless,
                                                                                                                                                            trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","abc",[caseless,
                                                                                                                                                              {parts,
                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","abc",[caseless]))), 
?line <<"X:Y">> = iolist_to_binary(join(re:split("XABCY","abc",[caseless,
                                                                                                                                                                trim]))), 
?line <<"X:Y">> = iolist_to_binary(join(re:split("XABCY","abc",[caseless,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<"X:Y">> = iolist_to_binary(join(re:split("XABCY","abc",[caseless]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("ABABC","abc",[caseless,
                                                                                                                                                                trim]))), 
?line <<"AB:">> = iolist_to_binary(join(re:split("ABABC","abc",[caseless,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<"AB:">> = iolist_to_binary(join(re:split("ABABC","abc",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc",[caseless,
                                                                                                                                                                            trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc",[caseless,
                                                                                                                                                                              {parts,
                                                                                                                                                                               2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","abc",[caseless]))), 
?line <<"aaxabxbaxbbx">> = iolist_to_binary(join(re:split("aaxabxbaxbbx","abc",[caseless,
                                                                                                                                                                              trim]))), 
?line <<"aaxabxbaxbbx">> = iolist_to_binary(join(re:split("aaxabxbaxbbx","abc",[caseless,
                                                                                                                                                                                {parts,
                                                                                                                                                                                 2}]))), 
?line <<"aaxabxbaxbbx">> = iolist_to_binary(join(re:split("aaxabxbaxbbx","abc",[caseless]))), 
?line <<"XBC">> = iolist_to_binary(join(re:split("XBC","abc",[caseless,
                                                                                                                                                            trim]))), 
?line <<"XBC">> = iolist_to_binary(join(re:split("XBC","abc",[caseless,
                                                                                                                                                              {parts,
                                                                                                                                                               2}]))), 
?line <<"XBC">> = iolist_to_binary(join(re:split("XBC","abc",[caseless]))), 
?line <<"AXC">> = iolist_to_binary(join(re:split("AXC","abc",[caseless,
                                                                                                                                                            trim]))), 
?line <<"AXC">> = iolist_to_binary(join(re:split("AXC","abc",[caseless,
                                                                                                                                                              {parts,
                                                                                                                                                               2}]))), 
?line <<"AXC">> = iolist_to_binary(join(re:split("AXC","abc",[caseless]))), 
?line <<"ABX">> = iolist_to_binary(join(re:split("ABX","abc",[caseless,
                                                                                                                                                            trim]))), 
?line <<"ABX">> = iolist_to_binary(join(re:split("ABX","abc",[caseless,
                                                                                                                                                              {parts,
                                                                                                                                                               2}]))), 
?line <<"ABX">> = iolist_to_binary(join(re:split("ABX","abc",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABC","ab*c",[caseless,
                                                                                                                                                              trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","ab*c",[caseless,
                                                                                                                                                                {parts,
                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","ab*c",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABC","ab*bc",[caseless,
                                                                                                                                                                trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","ab*bc",[caseless,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","ab*bc",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABBC","ab*bc",[caseless,
                                                                                                                                                                  trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBC","ab*bc",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBC","ab*bc",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABBBBC","ab*?bc",[caseless,
                                                                                                                                                                        trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBBBC","ab*?bc",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBBBC","ab*?bc",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABBBBC","ab{0,}?bc",[caseless,
                                                                                                                                                                              trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBBBC","ab{0,}?bc",[caseless,
                                                                                                                                                                                {parts,
                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBBBC","ab{0,}?bc",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABBC","ab+?bc",[caseless,
                                                                                                                                                                    trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBC","ab+?bc",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBC","ab+?bc",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab+bc",[caseless,
                                                                                                                                                                                trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab+bc",[caseless,
                                                                                                                                                                                  {parts,
                                                                                                                                                                                   2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab+bc",[caseless]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","ab+bc",[caseless,
                                                                                                                                                                trim]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","ab+bc",[caseless,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","ab+bc",[caseless]))), 
?line <<"ABQ">> = iolist_to_binary(join(re:split("ABQ","ab+bc",[caseless,
                                                                                                                                                                trim]))), 
?line <<"ABQ">> = iolist_to_binary(join(re:split("ABQ","ab+bc",[caseless,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<"ABQ">> = iolist_to_binary(join(re:split("ABQ","ab+bc",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABBBBC","ab+bc",[caseless,
                                                                                                                                                                      trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBBBC","ab+bc",[caseless,
                                                                                                                                                                        {parts,
                                                                                                                                                                         2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBBBC","ab+bc",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABBBBC","ab{1,}?bc",[caseless,
                                                                                                                                                                              trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBBBC","ab{1,}?bc",[caseless,
                                                                                                                                                                                {parts,
                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBBBC","ab{1,}?bc",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABBBBC","ab{1,3}?bc",[caseless,
                                                                                                                                                                                trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBBBC","ab{1,3}?bc",[caseless,
                                                                                                                                                                                  {parts,
                                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBBBC","ab{1,3}?bc",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABBBBC","ab{3,4}?bc",[caseless,
                                                                                                                                                                                trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBBBC","ab{3,4}?bc",[caseless,
                                                                                                                                                                                  {parts,
                                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBBBC","ab{3,4}?bc",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab{4,5}?bc",[caseless,
                                                                                                                                                                                          trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab{4,5}?bc",[caseless,
                                                                                                                                                                                            {parts,
                                                                                                                                                                                             2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","ab{4,5}?bc",[caseless]))), 
?line <<"ABQ">> = iolist_to_binary(join(re:split("ABQ","ab{4,5}?bc",[caseless,
                                                                                                                                                                          trim]))), 
?line <<"ABQ">> = iolist_to_binary(join(re:split("ABQ","ab{4,5}?bc",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<"ABQ">> = iolist_to_binary(join(re:split("ABQ","ab{4,5}?bc",[caseless]))), 
?line <<"ABBBBC">> = iolist_to_binary(join(re:split("ABBBBC","ab{4,5}?bc",[caseless,
                                                                                                                                                                                trim]))), 
?line <<"ABBBBC">> = iolist_to_binary(join(re:split("ABBBBC","ab{4,5}?bc",[caseless,
                                                                                                                                                                                  {parts,
                                                                                                                                                                                   2}]))), 
?line <<"ABBBBC">> = iolist_to_binary(join(re:split("ABBBBC","ab{4,5}?bc",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABBC","ab??bc",[caseless,
                                                                                                                                                                    trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBC","ab??bc",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABBC","ab??bc",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABC","ab??bc",[caseless,
                                                                                                                                                                  trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","ab??bc",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","ab??bc",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABC","ab{0,1}?bc",[caseless,
                                                                                                                                                                          trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","ab{0,1}?bc",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","ab{0,1}?bc",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABC","ab??c",[caseless,
                                                                                                                                                                trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","ab??c",[caseless,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","ab??c",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABC","ab{0,1}?c",[caseless,
                                                                                                                                                                        trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","ab{0,1}?c",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","ab{0,1}?c",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABC","^abc$",[caseless,
                                                                                                                                                                 trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","^abc$",[caseless,
                                                                                                                                                                   {parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","^abc$",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^abc$",[caseless,
                                                                                                                                                                                 trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^abc$",[caseless,
                                                                                                                                                                                   {parts,
                                                                                                                                                                                    2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^abc$",[caseless]))), 
?line <<"ABBBBC">> = iolist_to_binary(join(re:split("ABBBBC","^abc$",[caseless,
                                                                                                                                                                       trim]))), 
?line <<"ABBBBC">> = iolist_to_binary(join(re:split("ABBBBC","^abc$",[caseless,
                                                                                                                                                                         {parts,
                                                                                                                                                                          2}]))), 
?line <<"ABBBBC">> = iolist_to_binary(join(re:split("ABBBBC","^abc$",[caseless]))), 
?line <<"ABCC">> = iolist_to_binary(join(re:split("ABCC","^abc$",[caseless,
                                                                                                                                                                   trim]))), 
?line <<"ABCC">> = iolist_to_binary(join(re:split("ABCC","^abc$",[caseless,
                                                                                                                                                                     {parts,
                                                                                                                                                                      2}]))), 
?line <<"ABCC">> = iolist_to_binary(join(re:split("ABCC","^abc$",[caseless]))), 
?line <<":C">> = iolist_to_binary(join(re:split("ABCC","^abc",[caseless,
                                                                                                                                                                trim]))), 
?line <<":C">> = iolist_to_binary(join(re:split("ABCC","^abc",[caseless,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<":C">> = iolist_to_binary(join(re:split("ABCC","^abc",[caseless]))), 
?line <<"A">> = iolist_to_binary(join(re:split("AABC","abc$",[caseless,
                                                                                                                                                                 trim]))), 
?line <<"A:">> = iolist_to_binary(join(re:split("AABC","abc$",[caseless,
                                                                                                                                                                   {parts,
                                                                                                                                                                    2}]))), 
?line <<"A:">> = iolist_to_binary(join(re:split("AABC","abc$",[caseless]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","^",[caseless,
                                                                                                                                                        trim]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","^",[caseless,
                                                                                                                                                          {parts,
                                                                                                                                                           2}]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","^",[caseless]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","$",[caseless,
                                                                                                                                                         trim]))), 
?line <<"ABC:">> = iolist_to_binary(join(re:split("ABC","$",[caseless,
                                                                                                                                                           {parts,
                                                                                                                                                            2}]))), 
?line <<"ABC:">> = iolist_to_binary(join(re:split("ABC","$",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABC","a.c",[caseless,
                                                                                                                                                            trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","a.c",[caseless,
                                                                                                                                                              {parts,
                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABC","a.c",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("AXC","a.c",[caseless,
                                                                                                                                                            trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("AXC","a.c",[caseless,
                                                                                                                                                              {parts,
                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("AXC","a.c",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("AXYZC","a.*?c",[caseless,
                                                                                                                                                                    trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("AXYZC","a.*?c",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("AXYZC","a.*?c",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a.*c",[caseless,
                                                                                                                                                                              trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a.*c",[caseless,
                                                                                                                                                                                {parts,
                                                                                                                                                                                 2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a.*c",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("AABC","a.*c",[caseless,
                                                                                                                                                                trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("AABC","a.*c",[caseless,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("AABC","a.*c",[caseless]))), 
?line <<"AXYZD">> = iolist_to_binary(join(re:split("AXYZD","a.*c",[caseless,
                                                                                                                                                                  trim]))), 
?line <<"AXYZD">> = iolist_to_binary(join(re:split("AXYZD","a.*c",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<"AXYZD">> = iolist_to_binary(join(re:split("AXYZD","a.*c",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABD","a[bc]d",[caseless,
                                                                                                                                                                  trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABD","a[bc]d",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABD","a[bc]d",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ACE","a[b-d]e",[caseless,
                                                                                                                                                                    trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ACE","a[b-d]e",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ACE","a[b-d]e",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[b-d]e",[caseless,
                                                                                                                                                                                    trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[b-d]e",[caseless,
                                                                                                                                                                                      {parts,
                                                                                                                                                                                       2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[b-d]e",[caseless]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","a[b-d]e",[caseless,
                                                                                                                                                                    trim]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","a[b-d]e",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<"ABC">> = iolist_to_binary(join(re:split("ABC","a[b-d]e",[caseless]))), 
?line <<"ABD">> = iolist_to_binary(join(re:split("ABD","a[b-d]e",[caseless,
                                                                                                                                                                    trim]))), 
?line <<"ABD">> = iolist_to_binary(join(re:split("ABD","a[b-d]e",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<"ABD">> = iolist_to_binary(join(re:split("ABD","a[b-d]e",[caseless]))), 
?line <<"A">> = iolist_to_binary(join(re:split("AAC","a[b-d]",[caseless,
                                                                                                                                                                  trim]))), 
?line <<"A:">> = iolist_to_binary(join(re:split("AAC","a[b-d]",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<"A:">> = iolist_to_binary(join(re:split("AAC","a[b-d]",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("A-","a[-b]",[caseless,
                                                                                                                                                              trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("A-","a[-b]",[caseless,
                                                                                                                                                                {parts,
                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("A-","a[-b]",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("A-","a[b-]",[caseless,
                                                                                                                                                              trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("A-","a[b-]",[caseless,
                                                                                                                                                                {parts,
                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("A-","a[b-]",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("A]","a]",[caseless,
                                                                                                                                                        trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("A]","a]",[caseless,
                                                                                                                                                          {parts,
                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("A]","a]",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("A]B","a[]]b",[caseless,
                                                                                                                                                                trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("A]B","a[]]b",[caseless,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("A]B","a[]]b",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("AED","a[^bc]d",[caseless,
                                                                                                                                                                    trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("AED","a[^bc]d",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("AED","a[^bc]d",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ADC","a[^-b]c",[caseless,
                                                                                                                                                                    trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ADC","a[^-b]c",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ADC","a[^-b]c",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[^-b]c",[caseless,
                                                                                                                                                                                    trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[^-b]c",[caseless,
                                                                                                                                                                                      {parts,
                                                                                                                                                                                       2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a[^-b]c",[caseless]))), 
?line <<"ABD">> = iolist_to_binary(join(re:split("ABD","a[^-b]c",[caseless,
                                                                                                                                                                    trim]))), 
?line <<"ABD">> = iolist_to_binary(join(re:split("ABD","a[^-b]c",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<"ABD">> = iolist_to_binary(join(re:split("ABD","a[^-b]c",[caseless]))), 
?line <<"A-C">> = iolist_to_binary(join(re:split("A-C","a[^-b]c",[caseless,
                                                                                                                                                                    trim]))), 
?line <<"A-C">> = iolist_to_binary(join(re:split("A-C","a[^-b]c",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<"A-C">> = iolist_to_binary(join(re:split("A-C","a[^-b]c",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ADC","a[^]b]c",[caseless,
                                                                                                                                                                    trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ADC","a[^]b]c",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ADC","a[^]b]c",[caseless]))), 
?line <<":C">> = iolist_to_binary(join(re:split("ABC","ab|cd",[caseless,
                                                                                                                                                                trim]))), 
?line <<":C">> = iolist_to_binary(join(re:split("ABC","ab|cd",[caseless,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<":C">> = iolist_to_binary(join(re:split("ABC","ab|cd",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABCD","ab|cd",[caseless,
                                                                                                                                                                  trim]))), 
?line <<":CD">> = iolist_to_binary(join(re:split("ABCD","ab|cd",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("ABCD","ab|cd",[caseless]))), 
?line <<"D">> = iolist_to_binary(join(re:split("DEF","()ef",[caseless,
                                                                                                                                                              trim]))), 
?line <<"D::">> = iolist_to_binary(join(re:split("DEF","()ef",[caseless,
                                                                                                                                                                {parts,
                                                                                                                                                                 2}]))), 
?line <<"D::">> = iolist_to_binary(join(re:split("DEF","()ef",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","$b",[caseless,
                                                                                                                                                                            trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","$b",[caseless,
                                                                                                                                                                              {parts,
                                                                                                                                                                               2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","$b",[caseless]))), 
?line <<"A]C">> = iolist_to_binary(join(re:split("A]C","$b",[caseless,
                                                                                                                                                            trim]))), 
?line <<"A]C">> = iolist_to_binary(join(re:split("A]C","$b",[caseless,
                                                                                                                                                              {parts,
                                                                                                                                                               2}]))), 
?line <<"A]C">> = iolist_to_binary(join(re:split("A]C","$b",[caseless]))), 
?line <<"B">> = iolist_to_binary(join(re:split("B","$b",[caseless,
                                                                                                                                                        trim]))), 
?line <<"B">> = iolist_to_binary(join(re:split("B","$b",[caseless,
                                                                                                                                                          {parts,
                                                                                                                                                           2}]))), 
?line <<"B">> = iolist_to_binary(join(re:split("B","$b",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("A(B","a\\(b",[caseless,
                                                                                                                                                                 trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("A(B","a\\(b",[caseless,
                                                                                                                                                                   {parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("A(B","a\\(b",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("AB","a\\(*b",[caseless,
                                                                                                                                                                 trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("AB","a\\(*b",[caseless,
                                                                                                                                                                   {parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("AB","a\\(*b",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("A((B","a\\(*b",[caseless,
                                                                                                                                                                     trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("A((B","a\\(*b",[caseless,
                                                                                                                                                                       {parts,
                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("A((B","a\\(*b",[caseless]))), 
?line <<"A">> = iolist_to_binary(join(re:split("A","a\\\\b",[caseless,
                                                                                                                                                                notbol,
                                                                                                                                                                trim]))), 
?line <<"A">> = iolist_to_binary(join(re:split("A","a\\\\b",[caseless,
                                                                                                                                                                  notbol,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<"A">> = iolist_to_binary(join(re:split("A","a\\\\b",[caseless,
                                                                                                                                                                   notbol]))), 
?line <<":A:A:BC">> = iolist_to_binary(join(re:split("ABC","((a))",[caseless,
                                                                                                                                                                trim]))), 
?line <<":A:A:BC">> = iolist_to_binary(join(re:split("ABC","((a))",[caseless,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<":A:A:BC">> = iolist_to_binary(join(re:split("ABC","((a))",[caseless]))), 
?line <<":A:C">> = iolist_to_binary(join(re:split("ABC","(a)b(c)",[caseless,
                                                                                                                                                                    trim]))), 
?line <<":A:C:">> = iolist_to_binary(join(re:split("ABC","(a)b(c)",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<":A:C:">> = iolist_to_binary(join(re:split("ABC","(a)b(c)",[caseless]))), 
?line <<"AABB">> = iolist_to_binary(join(re:split("AABBABC","a+b+c",[caseless,
                                                                                                                                                                        trim]))), 
?line <<"AABB:">> = iolist_to_binary(join(re:split("AABBABC","a+b+c",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<"AABB:">> = iolist_to_binary(join(re:split("AABBABC","a+b+c",[caseless]))), 
?line <<"AABB">> = iolist_to_binary(join(re:split("AABBABC","a{1,}b{1,}c",[caseless,
                                                                                                                                                                                    trim]))), 
?line <<"AABB:">> = iolist_to_binary(join(re:split("AABBABC","a{1,}b{1,}c",[caseless,
                                                                                                                                                                                      {parts,
                                                                                                                                                                                       2}]))), 
?line <<"AABB:">> = iolist_to_binary(join(re:split("AABBABC","a{1,}b{1,}c",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABCABC","a.+?c",[caseless,
                                                                                                                                                                      trim]))), 
?line <<":ABC">> = iolist_to_binary(join(re:split("ABCABC","a.+?c",[caseless,
                                                                                                                                                                        {parts,
                                                                                                                                                                         2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("ABCABC","a.+?c",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABCABC","a.*?c",[caseless,
                                                                                                                                                                      trim]))), 
?line <<":ABC">> = iolist_to_binary(join(re:split("ABCABC","a.*?c",[caseless,
                                                                                                                                                                        {parts,
                                                                                                                                                                         2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("ABCABC","a.*?c",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABCABC","a.{0,5}?c",[caseless,
                                                                                                                                                                              trim]))), 
?line <<":ABC">> = iolist_to_binary(join(re:split("ABCABC","a.{0,5}?c",[caseless,
                                                                                                                                                                                {parts,
                                                                                                                                                                                 2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("ABCABC","a.{0,5}?c",[caseless]))), 
?line <<":B">> = iolist_to_binary(join(re:split("AB","(a+|b)*",[caseless,
                                                                                                                                                                  trim]))), 
?line <<":B:">> = iolist_to_binary(join(re:split("AB","(a+|b)*",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<":B:">> = iolist_to_binary(join(re:split("AB","(a+|b)*",[caseless]))), 
?line <<":B">> = iolist_to_binary(join(re:split("AB","(a+|b){0,}",[caseless,
                                                                                                                                                                        trim]))), 
?line <<":B:">> = iolist_to_binary(join(re:split("AB","(a+|b){0,}",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<":B:">> = iolist_to_binary(join(re:split("AB","(a+|b){0,}",[caseless]))), 
?line <<":B">> = iolist_to_binary(join(re:split("AB","(a+|b)+",[caseless,
                                                                                                                                                                  trim]))), 
?line <<":B:">> = iolist_to_binary(join(re:split("AB","(a+|b)+",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<":B:">> = iolist_to_binary(join(re:split("AB","(a+|b)+",[caseless]))), 
?line <<":B">> = iolist_to_binary(join(re:split("AB","(a+|b){1,}",[caseless,
                                                                                                                                                                        trim]))), 
?line <<":B:">> = iolist_to_binary(join(re:split("AB","(a+|b){1,}",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<":B:">> = iolist_to_binary(join(re:split("AB","(a+|b){1,}",[caseless]))), 
?line <<":A::B">> = iolist_to_binary(join(re:split("AB","(a+|b)?",[caseless,
                                                                                                                                                                  trim]))), 
?line <<":A:B">> = iolist_to_binary(join(re:split("AB","(a+|b)?",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<":A::B:">> = iolist_to_binary(join(re:split("AB","(a+|b)?",[caseless]))), 
?line <<":A::B">> = iolist_to_binary(join(re:split("AB","(a+|b){0,1}",[caseless,
                                                                                                                                                                          trim]))), 
?line <<":A:B">> = iolist_to_binary(join(re:split("AB","(a+|b){0,1}",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<":A::B:">> = iolist_to_binary(join(re:split("AB","(a+|b){0,1}",[caseless]))), 
?line <<":A::B">> = iolist_to_binary(join(re:split("AB","(a+|b){0,1}?",[caseless,
                                                                                                                                                                            trim]))), 
?line <<":A:B">> = iolist_to_binary(join(re:split("AB","(a+|b){0,1}?",[caseless,
                                                                                                                                                                              {parts,
                                                                                                                                                                               2}]))), 
?line <<":A::B:">> = iolist_to_binary(join(re:split("AB","(a+|b){0,1}?",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("CDE","[^ab]*",[caseless,
                                                                                                                                                                  trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("CDE","[^ab]*",[caseless,
                                                                                                                                                                    {parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("CDE","[^ab]*",[caseless]))), 
?line <<":C">> = iolist_to_binary(join(re:split("ABBBCD","([abc])*d",[caseless,
                                                                                                                                                                              trim]))), 
?line <<":C:">> = iolist_to_binary(join(re:split("ABBBCD","([abc])*d",[caseless,
                                                                                                                                                                                {parts,
                                                                                                                                                                                 2}]))), 
?line <<":C:">> = iolist_to_binary(join(re:split("ABBBCD","([abc])*d",[caseless]))), 
?line <<":A">> = iolist_to_binary(join(re:split("ABCD","([abc])*bcd",[caseless,
                                                                                                                                                                              trim]))), 
?line <<":A:">> = iolist_to_binary(join(re:split("ABCD","([abc])*bcd",[caseless,
                                                                                                                                                                                {parts,
                                                                                                                                                                                 2}]))), 
?line <<":A:">> = iolist_to_binary(join(re:split("ABCD","([abc])*bcd",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("E","a|b|c|d|e",[caseless,
                                                                                                                                                                    trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("E","a|b|c|d|e",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("E","a|b|c|d|e",[caseless]))), 
?line <<":E">> = iolist_to_binary(join(re:split("EF","(a|b|c|d|e)f",[caseless,
                                                                                                                                                                            trim]))), 
?line <<":E:">> = iolist_to_binary(join(re:split("EF","(a|b|c|d|e)f",[caseless,
                                                                                                                                                                              {parts,
                                                                                                                                                                               2}]))), 
?line <<":E:">> = iolist_to_binary(join(re:split("EF","(a|b|c|d|e)f",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABCDEFG","abcd*efg",[caseless,
                                                                                                                                                                              trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABCDEFG","abcd*efg",[caseless,
                                                                                                                                                                                {parts,
                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABCDEFG","abcd*efg",[caseless]))), 
?line <<"X:Y:Z">> = iolist_to_binary(join(re:split("XABYABBBZ","ab*",[caseless,
                                                                                                                                                                        trim]))), 
?line <<"X:YABBBZ">> = iolist_to_binary(join(re:split("XABYABBBZ","ab*",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<"X:Y:Z">> = iolist_to_binary(join(re:split("XABYABBBZ","ab*",[caseless]))), 
?line <<"X:Y:Z">> = iolist_to_binary(join(re:split("XAYABBBZ","ab*",[caseless,
                                                                                                                                                                      trim]))), 
?line <<"X:YABBBZ">> = iolist_to_binary(join(re:split("XAYABBBZ","ab*",[caseless,
                                                                                                                                                                        {parts,
                                                                                                                                                                         2}]))), 
?line <<"X:Y:Z">> = iolist_to_binary(join(re:split("XAYABBBZ","ab*",[caseless]))), 
?line <<"AB:CD">> = iolist_to_binary(join(re:split("ABCDE","(ab|cd)e",[caseless,
                                                                                                                                                                          trim]))), 
?line <<"AB:CD:">> = iolist_to_binary(join(re:split("ABCDE","(ab|cd)e",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<"AB:CD:">> = iolist_to_binary(join(re:split("ABCDE","(ab|cd)e",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("HIJ","[abhgefdc]ij",[caseless,
                                                                                                                                                                              trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("HIJ","[abhgefdc]ij",[caseless,
                                                                                                                                                                                {parts,
                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("HIJ","[abhgefdc]ij",[caseless]))), 
?line <<"ABCDE">> = iolist_to_binary(join(re:split("ABCDE","^(ab|cd)e",[caseless,
                                                                                                                                                                            trim]))), 
?line <<"ABCDE">> = iolist_to_binary(join(re:split("ABCDE","^(ab|cd)e",[caseless,
                                                                                                                                                                              {parts,
                                                                                                                                                                               2}]))), 
?line <<"ABCDE">> = iolist_to_binary(join(re:split("ABCDE","^(ab|cd)e",[caseless]))), 
?line <<"ABCD">> = iolist_to_binary(join(re:split("ABCDEF","(abc|)ef",[caseless,
                                                                                                                                                                            trim]))), 
?line <<"ABCD::">> = iolist_to_binary(join(re:split("ABCDEF","(abc|)ef",[caseless,
                                                                                                                                                                              {parts,
                                                                                                                                                                               2}]))), 
?line <<"ABCD::">> = iolist_to_binary(join(re:split("ABCDEF","(abc|)ef",[caseless]))), 
?line <<"A:B">> = iolist_to_binary(join(re:split("ABCD","(a|b)c*d",[caseless,
                                                                                                                                                                        trim]))), 
?line <<"A:B:">> = iolist_to_binary(join(re:split("ABCD","(a|b)c*d",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<"A:B:">> = iolist_to_binary(join(re:split("ABCD","(a|b)c*d",[caseless]))), 
?line <<":A">> = iolist_to_binary(join(re:split("ABC","(ab|ab*)bc",[caseless,
                                                                                                                                                                          trim]))), 
?line <<":A:">> = iolist_to_binary(join(re:split("ABC","(ab|ab*)bc",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<":A:">> = iolist_to_binary(join(re:split("ABC","(ab|ab*)bc",[caseless]))), 
?line <<":BC">> = iolist_to_binary(join(re:split("ABC","a([bc]*)c*",[caseless,
                                                                                                                                                                          trim]))), 
?line <<":BC:">> = iolist_to_binary(join(re:split("ABC","a([bc]*)c*",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<":BC:">> = iolist_to_binary(join(re:split("ABC","a([bc]*)c*",[caseless]))), 
?line <<":BC:D">> = iolist_to_binary(join(re:split("ABCD","a([bc]*)(c*d)",[caseless,
                                                                                                                                                                                  trim]))), 
?line <<":BC:D:">> = iolist_to_binary(join(re:split("ABCD","a([bc]*)(c*d)",[caseless,
                                                                                                                                                                                    {parts,
                                                                                                                                                                                     2}]))), 
?line <<":BC:D:">> = iolist_to_binary(join(re:split("ABCD","a([bc]*)(c*d)",[caseless]))), 
?line <<":BC:D">> = iolist_to_binary(join(re:split("ABCD","a([bc]+)(c*d)",[caseless,
                                                                                                                                                                                  trim]))), 
?line <<":BC:D:">> = iolist_to_binary(join(re:split("ABCD","a([bc]+)(c*d)",[caseless,
                                                                                                                                                                                    {parts,
                                                                                                                                                                                     2}]))), 
?line <<":BC:D:">> = iolist_to_binary(join(re:split("ABCD","a([bc]+)(c*d)",[caseless]))), 
?line <<":B:CD">> = iolist_to_binary(join(re:split("ABCD","a([bc]*)(c+d)",[caseless,
                                                                                                                                                                                  trim]))), 
?line <<":B:CD:">> = iolist_to_binary(join(re:split("ABCD","a([bc]*)(c+d)",[caseless,
                                                                                                                                                                                    {parts,
                                                                                                                                                                                     2}]))), 
?line <<":B:CD:">> = iolist_to_binary(join(re:split("ABCD","a([bc]*)(c+d)",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ADCDCDE","a[bcd]*dcdcde",[caseless,
                                                                                                                                                                                        trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ADCDCDE","a[bcd]*dcdcde",[caseless,
                                                                                                                                                                                          {parts,
                                                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ADCDCDE","a[bcd]*dcdcde",[caseless]))), 
?line <<":AB">> = iolist_to_binary(join(re:split("ABC","(ab|a)b*c",[caseless,
                                                                                                                                                                        trim]))), 
?line <<":AB:">> = iolist_to_binary(join(re:split("ABC","(ab|a)b*c",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<":AB:">> = iolist_to_binary(join(re:split("ABC","(ab|a)b*c",[caseless]))), 
?line <<":ABC:A:B:D">> = iolist_to_binary(join(re:split("ABCD","((a)(b)c)(d)",[caseless,
                                                                                                                                                                                trim]))), 
?line <<":ABC:A:B:D:">> = iolist_to_binary(join(re:split("ABCD","((a)(b)c)(d)",[caseless,
                                                                                                                                                                                  {parts,
                                                                                                                                                                                   2}]))), 
?line <<":ABC:A:B:D:">> = iolist_to_binary(join(re:split("ABCD","((a)(b)c)(d)",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ALPHA","[a-zA-Z_][a-zA-Z0-9_]*",[caseless,
                                                                                                                                                                                                      trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ALPHA","[a-zA-Z_][a-zA-Z0-9_]*",[caseless,
                                                                                                                                                                                                        {parts,
                                                                                                                                                                                                         2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ALPHA","[a-zA-Z_][a-zA-Z0-9_]*",[caseless]))), 
?line <<"A">> = iolist_to_binary(join(re:split("ABH","^a(bc+|b[eh])g|.h$",[caseless,
                                                                                                                                                                                           trim]))), 
?line <<"A::">> = iolist_to_binary(join(re:split("ABH","^a(bc+|b[eh])g|.h$",[caseless,
                                                                                                                                                                                             {parts,
                                                                                                                                                                                              2}]))), 
?line <<"A::">> = iolist_to_binary(join(re:split("ABH","^a(bc+|b[eh])g|.h$",[caseless]))), 
?line <<":EFFGZ">> = iolist_to_binary(join(re:split("EFFGZ","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                       trim]))), 
?line <<":EFFGZ::">> = iolist_to_binary(join(re:split("EFFGZ","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                         {parts,
                                                                                                                                                                                                          2}]))), 
?line <<":EFFGZ::">> = iolist_to_binary(join(re:split("EFFGZ","(bc+d$|ef*g.|h?i(j|k))",[caseless]))), 
?line <<":IJ:J">> = iolist_to_binary(join(re:split("IJ","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                 trim]))), 
?line <<":IJ:J:">> = iolist_to_binary(join(re:split("IJ","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                   {parts,
                                                                                                                                                                                                    2}]))), 
?line <<":IJ:J:">> = iolist_to_binary(join(re:split("IJ","(bc+d$|ef*g.|h?i(j|k))",[caseless]))), 
?line <<"R:EFFGZ">> = iolist_to_binary(join(re:split("REFFGZ","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                         trim]))), 
?line <<"R:EFFGZ::">> = iolist_to_binary(join(re:split("REFFGZ","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                           {parts,
                                                                                                                                                                                                            2}]))), 
?line <<"R:EFFGZ::">> = iolist_to_binary(join(re:split("REFFGZ","(bc+d$|ef*g.|h?i(j|k))",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                                   trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                                     {parts,
                                                                                                                                                                                                                      2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(bc+d$|ef*g.|h?i(j|k))",[caseless]))), 
?line <<"ADCDCDE">> = iolist_to_binary(join(re:split("ADCDCDE","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                           trim]))), 
?line <<"ADCDCDE">> = iolist_to_binary(join(re:split("ADCDCDE","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                             {parts,
                                                                                                                                                                                                              2}]))), 
?line <<"ADCDCDE">> = iolist_to_binary(join(re:split("ADCDCDE","(bc+d$|ef*g.|h?i(j|k))",[caseless]))), 
?line <<"EFFG">> = iolist_to_binary(join(re:split("EFFG","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                     trim]))), 
?line <<"EFFG">> = iolist_to_binary(join(re:split("EFFG","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                       {parts,
                                                                                                                                                                                                        2}]))), 
?line <<"EFFG">> = iolist_to_binary(join(re:split("EFFG","(bc+d$|ef*g.|h?i(j|k))",[caseless]))), 
?line <<"BCDD">> = iolist_to_binary(join(re:split("BCDD","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                     trim]))), 
?line <<"BCDD">> = iolist_to_binary(join(re:split("BCDD","(bc+d$|ef*g.|h?i(j|k))",[caseless,
                                                                                                                                                                                                       {parts,
                                                                                                                                                                                                        2}]))), 
?line <<"BCDD">> = iolist_to_binary(join(re:split("BCDD","(bc+d$|ef*g.|h?i(j|k))",[caseless]))), 
?line <<":A:A:A:A:A:A:A:A:A:A">> = iolist_to_binary(join(re:split("A","((((((((((a))))))))))",[caseless,
                                                                                                                                                                                            trim]))), 
?line <<":A:A:A:A:A:A:A:A:A:A:">> = iolist_to_binary(join(re:split("A","((((((((((a))))))))))",[caseless,
                                                                                                                                                                                              {parts,
                                                                                                                                                                                               2}]))), 
?line <<":A:A:A:A:A:A:A:A:A:A:">> = iolist_to_binary(join(re:split("A","((((((((((a))))))))))",[caseless]))), 
?line <<":A:A:A:A:A:A:A:A:A:A">> = iolist_to_binary(join(re:split("AA","((((((((((a))))))))))\\10",[caseless,
                                                                                                                                                                                                       trim]))), 
?line <<":A:A:A:A:A:A:A:A:A:A:">> = iolist_to_binary(join(re:split("AA","((((((((((a))))))))))\\10",[caseless,
                                                                                                                                                                                                         {parts,
                                                                                                                                                                                                          2}]))), 
?line <<":A:A:A:A:A:A:A:A:A:A:">> = iolist_to_binary(join(re:split("AA","((((((((((a))))))))))\\10",[caseless]))), 
?line <<":A:A:A:A:A:A:A:A:A">> = iolist_to_binary(join(re:split("A","(((((((((a)))))))))",[caseless,
                                                                                                                                                                                        trim]))), 
?line <<":A:A:A:A:A:A:A:A:A:">> = iolist_to_binary(join(re:split("A","(((((((((a)))))))))",[caseless,
                                                                                                                                                                                          {parts,
                                                                                                                                                                                           2}]))), 
?line <<":A:A:A:A:A:A:A:A:A:">> = iolist_to_binary(join(re:split("A","(((((((((a)))))))))",[caseless]))), 
?line <<":A">> = iolist_to_binary(join(re:split("A","(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))",[caseless,
                                                                                                                                                                                                                                trim]))), 
?line <<":A:">> = iolist_to_binary(join(re:split("A","(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))",[caseless,
                                                                                                                                                                                                                                  {parts,
                                                                                                                                                                                                                                   2}]))), 
?line <<":A:">> = iolist_to_binary(join(re:split("A","(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))",[caseless]))), 
?line <<":C">> = iolist_to_binary(join(re:split("C","(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))",[caseless,
                                                                                                                                                                                                                                        trim]))), 
?line <<":C:">> = iolist_to_binary(join(re:split("C","(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))",[caseless,
                                                                                                                                                                                                                                          {parts,
                                                                                                                                                                                                                                           2}]))), 
?line <<":C:">> = iolist_to_binary(join(re:split("C","(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","multiple words of text",[caseless,
                                                                                                                                                                                                                  trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","multiple words of text",[caseless,
                                                                                                                                                                                                                    {parts,
                                                                                                                                                                                                                     2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","multiple words of text",[caseless]))), 
?line <<"AA">> = iolist_to_binary(join(re:split("AA","multiple words of text",[caseless,
                                                                                                                                                                                                trim]))), 
?line <<"AA">> = iolist_to_binary(join(re:split("AA","multiple words of text",[caseless,
                                                                                                                                                                                                  {parts,
                                                                                                                                                                                                   2}]))), 
?line <<"AA">> = iolist_to_binary(join(re:split("AA","multiple words of text",[caseless]))), 
?line <<"UH-UH">> = iolist_to_binary(join(re:split("UH-UH","multiple words of text",[caseless,
                                                                                                                                                                                                      trim]))), 
?line <<"UH-UH">> = iolist_to_binary(join(re:split("UH-UH","multiple words of text",[caseless,
                                                                                                                                                                                                        {parts,
                                                                                                                                                                                                         2}]))), 
?line <<"UH-UH">> = iolist_to_binary(join(re:split("UH-UH","multiple words of text",[caseless]))), 
?line <<":, YEAH">> = iolist_to_binary(join(re:split("MULTIPLE WORDS, YEAH","multiple words",[caseless,
                                                                                                                                                                                                                    trim]))), 
?line <<":, YEAH">> = iolist_to_binary(join(re:split("MULTIPLE WORDS, YEAH","multiple words",[caseless,
                                                                                                                                                                                                                      {parts,
                                                                                                                                                                                                                       2}]))), 
?line <<":, YEAH">> = iolist_to_binary(join(re:split("MULTIPLE WORDS, YEAH","multiple words",[caseless]))), 
?line <<":AB:DE">> = iolist_to_binary(join(re:split("ABCDE","(.*)c(.*)",[caseless,
                                                                                                                                                                            trim]))), 
?line <<":AB:DE:">> = iolist_to_binary(join(re:split("ABCDE","(.*)c(.*)",[caseless,
                                                                                                                                                                              {parts,
                                                                                                                                                                               2}]))), 
?line <<":AB:DE:">> = iolist_to_binary(join(re:split("ABCDE","(.*)c(.*)",[caseless]))), 
?line <<":A:B">> = iolist_to_binary(join(re:split("(A, B)","\\((.*), (.*)\\)",[caseless,
                                                                                                                                                                                              trim]))), 
?line <<":A:B:">> = iolist_to_binary(join(re:split("(A, B)","\\((.*), (.*)\\)",[caseless,
                                                                                                                                                                                                {parts,
                                                                                                                                                                                                 2}]))), 
?line <<":A:B:">> = iolist_to_binary(join(re:split("(A, B)","\\((.*), (.*)\\)",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ABCD","abcd",[caseless,
                                                                                                                                                                trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABCD","abcd",[caseless,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ABCD","abcd",[caseless]))), 
?line <<":BC">> = iolist_to_binary(join(re:split("ABCD","a(bc)d",[caseless,
                                                                                                                                                                    trim]))), 
?line <<":BC:">> = iolist_to_binary(join(re:split("ABCD","a(bc)d",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<":BC:">> = iolist_to_binary(join(re:split("ABCD","a(bc)d",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("AC","a[-]?c",[caseless,
                                                                                                                                                                trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("AC","a[-]?c",[caseless,
                                                                                                                                                                  {parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("AC","a[-]?c",[caseless]))), 
?line <<":ABC">> = iolist_to_binary(join(re:split("ABCABC","(abc)\\1",[caseless,
                                                                                                                                                                             trim]))), 
?line <<":ABC:">> = iolist_to_binary(join(re:split("ABCABC","(abc)\\1",[caseless,
                                                                                                                                                                               {parts,
                                                                                                                                                                                2}]))), 
?line <<":ABC:">> = iolist_to_binary(join(re:split("ABCABC","(abc)\\1",[caseless]))), 
?line <<":ABC">> = iolist_to_binary(join(re:split("ABCABC","([a-c]*)\\1",[caseless,
                                                                                                                                                                                   trim]))), 
?line <<":ABC:">> = iolist_to_binary(join(re:split("ABCABC","([a-c]*)\\1",[caseless,
                                                                                                                                                                                     {parts,
                                                                                                                                                                                      2}]))), 
?line <<":ABC:">> = iolist_to_binary(join(re:split("ABCABC","([a-c]*)\\1",[caseless]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("abad","a(?!b).",[trim]))), 
?line <<"ab:">> = iolist_to_binary(join(re:split("abad","a(?!b).",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"ab:">> = iolist_to_binary(join(re:split("abad","a(?!b).",[]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("abad","a(?=d).",[trim]))), 
?line <<"ab:">> = iolist_to_binary(join(re:split("abad","a(?=d).",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"ab:">> = iolist_to_binary(join(re:split("abad","a(?=d).",[]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("abad","a(?=c|d).",[trim]))), 
?line <<"ab:">> = iolist_to_binary(join(re:split("abad","a(?=c|d).",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"ab:">> = iolist_to_binary(join(re:split("abad","a(?=c|d).",[]))), 
?line <<":e">> = iolist_to_binary(join(re:split("ace","a(?:b|c|d)(.)",[trim]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("ace","a(?:b|c|d)(.)",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("ace","a(?:b|c|d)(.)",[]))), 
?line <<":e">> = iolist_to_binary(join(re:split("ace","a(?:b|c|d)*(.)",[trim]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("ace","a(?:b|c|d)*(.)",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("ace","a(?:b|c|d)*(.)",[]))), 
?line <<":e">> = iolist_to_binary(join(re:split("ace","a(?:b|c|d)+?(.)",[trim]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("ace","a(?:b|c|d)+?(.)",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("ace","a(?:b|c|d)+?(.)",[]))), 
?line <<":d:bcdbe">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d)+?(.)",[trim]))), 
?line <<":d:bcdbe">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d)+?(.)",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<":d:bcdbe">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d)+?(.)",[]))), 
?line <<":e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d)+(.)",[trim]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d)+(.)",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d)+(.)",[]))), 
?line <<":b:cdbe">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){2}(.)",[trim]))), 
?line <<":b:cdbe">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){2}(.)",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<":b:cdbe">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){2}(.)",[]))), 
?line <<":b:e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){4,5}(.)",[trim]))), 
?line <<":b:e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){4,5}(.)",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":b:e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){4,5}(.)",[]))), 
?line <<":d:be">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){4,5}?(.)",[trim]))), 
?line <<":d:be">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){4,5}?(.)",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<":d:be">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){4,5}?(.)",[]))), 
?line <<":bar:foo:bar">> = iolist_to_binary(join(re:split("foobar","((foo)|(bar))*",[trim]))), 
?line <<":bar:foo:bar:">> = iolist_to_binary(join(re:split("foobar","((foo)|(bar))*",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":bar:foo:bar:">> = iolist_to_binary(join(re:split("foobar","((foo)|(bar))*",[]))), 
?line <<":e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){6,7}(.)",[trim]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){6,7}(.)",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){6,7}(.)",[]))), 
?line <<":e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){6,7}?(.)",[trim]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){6,7}?(.)",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){6,7}?(.)",[]))), 
?line <<":e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){5,6}(.)",[trim]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){5,6}(.)",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){5,6}(.)",[]))), 
?line <<":b:e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){5,6}?(.)",[trim]))), 
?line <<":b:e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){5,6}?(.)",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<":b:e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){5,6}?(.)",[]))), 
?line <<":e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){5,7}(.)",[trim]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){5,7}(.)",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":e:">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){5,7}(.)",[]))), 
?line <<":b:e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){5,7}?(.)",[trim]))), 
?line <<":b:e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){5,7}?(.)",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<":b:e">> = iolist_to_binary(join(re:split("acdbcdbe","a(?:b|c|d){5,7}?(.)",[]))), 
?line <<":c:e">> = iolist_to_binary(join(re:split("ace","a(?:b|(c|e){1,2}?|d)+?(.)",[trim]))), 
?line <<":c:e:">> = iolist_to_binary(join(re:split("ace","a(?:b|(c|e){1,2}?|d)+?(.)",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<":c:e:">> = iolist_to_binary(join(re:split("ace","a(?:b|(c|e){1,2}?|d)+?(.)",[]))), 
?line <<":A">> = iolist_to_binary(join(re:split("AB","^(.+)?B",[trim]))), 
?line <<":A:">> = iolist_to_binary(join(re:split("AB","^(.+)?B",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":A:">> = iolist_to_binary(join(re:split("AB","^(.+)?B",[]))), 
?line <<":.">> = iolist_to_binary(join(re:split(".","^([^a-z])|(\\^)$",[trim]))), 
?line <<":.::">> = iolist_to_binary(join(re:split(".","^([^a-z])|(\\^)$",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":.::">> = iolist_to_binary(join(re:split(".","^([^a-z])|(\\^)$",[]))), 
?line <<":OUT">> = iolist_to_binary(join(re:split("<&OUT","^[<>]&",[trim]))), 
?line <<":OUT">> = iolist_to_binary(join(re:split("<&OUT","^[<>]&",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":OUT">> = iolist_to_binary(join(re:split("<&OUT","^[<>]&",[]))), 
?line <<":aaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaa","^(a\\1?){4}$",[trim]))), 
?line <<":aaaa:">> = iolist_to_binary(join(re:split("aaaaaaaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<":aaaa:">> = iolist_to_binary(join(re:split("aaaaaaaaaa","^(a\\1?){4}$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a\\1?){4}$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a\\1?){4}$",[]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","^(a\\1?){4}$",[trim]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","^(a\\1?){4}$",[]))), 
?line <<"aaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaa","^(a\\1?){4}$",[trim]))), 
?line <<"aaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"aaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaa","^(a\\1?){4}$",[]))), 
?line <<"aaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaa","^(a\\1?){4}$",[trim]))), 
?line <<"aaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaa","^(a\\1?){4}$",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"aaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaa","^(a\\1?){4}$",[]))), 
?line <<":aaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaa","^(a(?(1)\\1)){4}$",[trim]))), 
?line <<":aaaa:">> = iolist_to_binary(join(re:split("aaaaaaaaaa","^(a(?(1)\\1)){4}$",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<":aaaa:">> = iolist_to_binary(join(re:split("aaaaaaaaaa","^(a(?(1)\\1)){4}$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a(?(1)\\1)){4}$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a(?(1)\\1)){4}$",[{parts,
                                                                                                                                                                                                            2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(a(?(1)\\1)){4}$",[]))), 
?line <<"aaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaa","^(a(?(1)\\1)){4}$",[trim]))), 
?line <<"aaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaa","^(a(?(1)\\1)){4}$",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<"aaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaa","^(a(?(1)\\1)){4}$",[]))), 
?line <<"aaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaa","^(a(?(1)\\1)){4}$",[trim]))), 
?line <<"aaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaa","^(a(?(1)\\1)){4}$",[{parts,
                                                                                                                                                                                                            2}]))), 
?line <<"aaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaa","^(a(?(1)\\1)){4}$",[]))), 
?line <<":f:o:o:b:a:r">> = iolist_to_binary(join(re:split("foobar","(?:(f)(o)(o)|(b)(a)(r))*",[trim]))), 
?line <<":f:o:o:b:a:r:">> = iolist_to_binary(join(re:split("foobar","(?:(f)(o)(o)|(b)(a)(r))*",[{parts,
                                                                                                                                                                                                              2}]))), 
?line <<":f:o:o:b:a:r:">> = iolist_to_binary(join(re:split("foobar","(?:(f)(o)(o)|(b)(a)(r))*",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("ab","(?<=a)b",[trim]))), 
?line <<"a:">> = iolist_to_binary(join(re:split("ab","(?<=a)b",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"a:">> = iolist_to_binary(join(re:split("ab","(?<=a)b",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=a)b",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=a)b",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=a)b",[]))), 
?line <<"cb">> = iolist_to_binary(join(re:split("cb","(?<=a)b",[trim]))), 
?line <<"cb">> = iolist_to_binary(join(re:split("cb","(?<=a)b",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"cb">> = iolist_to_binary(join(re:split("cb","(?<=a)b",[]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","(?<=a)b",[trim]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","(?<=a)b",[{parts,
                                                                                                                                                                  2}]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","(?<=a)b",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("ab","(?<!c)b",[trim]))), 
?line <<"a:">> = iolist_to_binary(join(re:split("ab","(?<!c)b",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"a:">> = iolist_to_binary(join(re:split("ab","(?<!c)b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","(?<!c)b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("b","(?<!c)b",[{parts,
                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("b","(?<!c)b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","(?<!c)b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("b","(?<!c)b",[{parts,
                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("b","(?<!c)b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aba","(?:..)*a",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aba","(?:..)*a",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aba","(?:..)*a",[]))), 
?line <<":b">> = iolist_to_binary(join(re:split("aba","(?:..)*?a",[trim]))), 
?line <<":ba">> = iolist_to_binary(join(re:split("aba","(?:..)*?a",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":b:">> = iolist_to_binary(join(re:split("aba","(?:..)*?a",[]))), 
?line <<":b:c">> = iolist_to_binary(join(re:split("abc","^(?:b|a(?=(.)))*\\1",[trim]))), 
?line <<":b:c">> = iolist_to_binary(join(re:split("abc","^(?:b|a(?=(.)))*\\1",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<":b:c">> = iolist_to_binary(join(re:split("abc","^(?:b|a(?=(.)))*\\1",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^(){3,5}",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^(){3,5}",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^(){3,5}",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aax","^(a+)*ax",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aax","^(a+)*ax",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aax","^(a+)*ax",[]))), 
?line <<":a:a">> = iolist_to_binary(join(re:split("aax","^((a|b)+)*ax",[trim]))), 
?line <<":a:a:">> = iolist_to_binary(join(re:split("aax","^((a|b)+)*ax",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":a:a:">> = iolist_to_binary(join(re:split("aax","^((a|b)+)*ax",[]))), 
?line <<":a:a">> = iolist_to_binary(join(re:split("aax","^((a|bc)+)*ax",[trim]))), 
?line <<":a:a:">> = iolist_to_binary(join(re:split("aax","^((a|bc)+)*ax",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<":a:a:">> = iolist_to_binary(join(re:split("aax","^((a|bc)+)*ax",[]))), 
?line <<"c">> = iolist_to_binary(join(re:split("cab","(a|x)*ab",[trim]))), 
?line <<"c::">> = iolist_to_binary(join(re:split("cab","(a|x)*ab",[{parts,
                                                                                                                                                                        2}]))), 
?line <<"c::">> = iolist_to_binary(join(re:split("cab","(a|x)*ab",[]))), 
?line <<"c">> = iolist_to_binary(join(re:split("cab","(a)*ab",[trim]))), 
?line <<"c::">> = iolist_to_binary(join(re:split("cab","(a)*ab",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"c::">> = iolist_to_binary(join(re:split("cab","(a)*ab",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab","(?:(?i)a)b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","(?:(?i)a)b",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","(?:(?i)a)b",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("ab","((?i)a)b",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("ab","((?i)a)b",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("ab","((?i)a)b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("Ab","(?:(?i)a)b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("Ab","(?:(?i)a)b",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("Ab","(?:(?i)a)b",[]))), 
?line <<":A">> = iolist_to_binary(join(re:split("Ab","((?i)a)b",[trim]))), 
?line <<":A:">> = iolist_to_binary(join(re:split("Ab","((?i)a)b",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":A:">> = iolist_to_binary(join(re:split("Ab","((?i)a)b",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(?i)a)b",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(?i)a)b",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(?i)a)b",[]))), 
?line <<"cb">> = iolist_to_binary(join(re:split("cb","(?:(?i)a)b",[trim]))), 
?line <<"cb">> = iolist_to_binary(join(re:split("cb","(?:(?i)a)b",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"cb">> = iolist_to_binary(join(re:split("cb","(?:(?i)a)b",[]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","(?:(?i)a)b",[trim]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","(?:(?i)a)b",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","(?:(?i)a)b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab","(?i:a)b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","(?i:a)b",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","(?i:a)b",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("ab","((?i:a))b",[trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("ab","((?i:a))b",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("ab","((?i:a))b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("Ab","(?i:a)b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("Ab","(?i:a)b",[{parts,
                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("Ab","(?i:a)b",[]))), 
?line <<":A">> = iolist_to_binary(join(re:split("Ab","((?i:a))b",[trim]))), 
?line <<":A:">> = iolist_to_binary(join(re:split("Ab","((?i:a))b",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":A:">> = iolist_to_binary(join(re:split("Ab","((?i:a))b",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?i:a)b",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?i:a)b",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?i:a)b",[]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","(?i:a)b",[trim]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","(?i:a)b",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","(?i:a)b",[]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","(?i:a)b",[trim]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","(?i:a)b",[{parts,
                                                                                                                                                                    2}]))), 
?line <<"aB">> = iolist_to_binary(join(re:split("aB","(?i:a)b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab","(?:(?-i)a)b",[caseless,
                                                                                                                                                                          trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","(?:(?-i)a)b",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","(?:(?-i)a)b",[caseless]))), 
?line <<":a">> = iolist_to_binary(join(re:split("ab","((?-i)a)b",[caseless,
                                                                                                                                                                      trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("ab","((?-i)a)b",[caseless,
                                                                                                                                                                        {parts,
                                                                                                                                                                         2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("ab","((?-i)a)b",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("aB","(?:(?-i)a)b",[caseless,
                                                                                                                                                                          trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aB","(?:(?-i)a)b",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aB","(?:(?-i)a)b",[caseless]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aB","((?-i)a)b",[caseless,
                                                                                                                                                                      trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aB","((?-i)a)b",[caseless,
                                                                                                                                                                        {parts,
                                                                                                                                                                         2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aB","((?-i)a)b",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(?-i)a)b",[caseless,
                                                                                                                                                                                            trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(?-i)a)b",[caseless,
                                                                                                                                                                                              {parts,
                                                                                                                                                                                               2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(?-i)a)b",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("aB","(?:(?-i)a)b",[caseless,
                                                                                                                                                                          trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aB","(?:(?-i)a)b",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aB","(?:(?-i)a)b",[caseless]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?:(?-i)a)b",[caseless,
                                                                                                                                                                          trim]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?:(?-i)a)b",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?:(?-i)a)b",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("aB","(?:(?-i)a)b",[caseless,
                                                                                                                                                                          trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aB","(?:(?-i)a)b",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aB","(?:(?-i)a)b",[caseless]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aB","((?-i)a)b",[caseless,
                                                                                                                                                                      trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aB","((?-i)a)b",[caseless,
                                                                                                                                                                        {parts,
                                                                                                                                                                         2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aB","((?-i)a)b",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(?-i)a)b",[caseless,
                                                                                                                                                                                            trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(?-i)a)b",[caseless,
                                                                                                                                                                                              {parts,
                                                                                                                                                                                               2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?:(?-i)a)b",[caseless]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?:(?-i)a)b",[caseless,
                                                                                                                                                                          trim]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?:(?-i)a)b",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?:(?-i)a)b",[caseless]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","(?:(?-i)a)b",[caseless,
                                                                                                                                                                          trim]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","(?:(?-i)a)b",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","(?:(?-i)a)b",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab","(?-i:a)b",[caseless,
                                                                                                                                                                    trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","(?-i:a)b",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","(?-i:a)b",[caseless]))), 
?line <<":a">> = iolist_to_binary(join(re:split("ab","((?-i:a))b",[caseless,
                                                                                                                                                                        trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("ab","((?-i:a))b",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("ab","((?-i:a))b",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("aB","(?-i:a)b",[caseless,
                                                                                                                                                                    trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aB","(?-i:a)b",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aB","(?-i:a)b",[caseless]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aB","((?-i:a))b",[caseless,
                                                                                                                                                                        trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aB","((?-i:a))b",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aB","((?-i:a))b",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?-i:a)b",[caseless,
                                                                                                                                                                                      trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?-i:a)b",[caseless,
                                                                                                                                                                                        {parts,
                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?-i:a)b",[caseless]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","(?-i:a)b",[caseless,
                                                                                                                                                                    trim]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","(?-i:a)b",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","(?-i:a)b",[caseless]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?-i:a)b",[caseless,
                                                                                                                                                                    trim]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?-i:a)b",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?-i:a)b",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("aB","(?-i:a)b",[caseless,
                                                                                                                                                                    trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aB","(?-i:a)b",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aB","(?-i:a)b",[caseless]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aB","((?-i:a))b",[caseless,
                                                                                                                                                                        trim]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aB","((?-i:a))b",[caseless,
                                                                                                                                                                          {parts,
                                                                                                                                                                           2}]))), 
?line <<":a:">> = iolist_to_binary(join(re:split("aB","((?-i:a))b",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?-i:a)b",[caseless,
                                                                                                                                                                                      trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?-i:a)b",[caseless,
                                                                                                                                                                                        {parts,
                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?-i:a)b",[caseless]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?-i:a)b",[caseless,
                                                                                                                                                                    trim]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?-i:a)b",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<"Ab">> = iolist_to_binary(join(re:split("Ab","(?-i:a)b",[caseless]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","(?-i:a)b",[caseless,
                                                                                                                                                                    trim]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","(?-i:a)b",[caseless,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","(?-i:a)b",[caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","((?-i:a.))b",[caseless,
                                                                                                                                                                                            trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","((?-i:a.))b",[caseless,
                                                                                                                                                                                              {parts,
                                                                                                                                                                                               2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","((?-i:a.))b",[caseless]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","((?-i:a.))b",[caseless,
                                                                                                                                                                          trim]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","((?-i:a.))b",[caseless,
                                                                                                                                                                            {parts,
                                                                                                                                                                             2}]))), 
?line <<"AB">> = iolist_to_binary(join(re:split("AB","((?-i:a.))b",[caseless]))), 
?line <<"a
B">> = iolist_to_binary(join(re:split("a
B","((?-i:a.))b",[caseless,trim]))), 
?line <<"a
B">> = iolist_to_binary(join(re:split("a
B","((?-i:a.))b",[caseless,{parts,2}]))), 
?line <<"a
B">> = iolist_to_binary(join(re:split("a
B","((?-i:a.))b",[caseless]))), 
?line <<":a
">> = iolist_to_binary(join(re:split("a
B","((?s-i:a.))b",[caseless,trim]))), 
?line <<":a
:">> = iolist_to_binary(join(re:split("a
B","((?s-i:a.))b",[caseless,{parts,2}]))), 
?line <<":a
:">> = iolist_to_binary(join(re:split("a
B","((?s-i:a.))b",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("cabbbb","(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("cabbbb","(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))",[{parts,
                                                                                                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("cabbbb","(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))",[{parts,
                                                                                                                                                                                                                                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb","(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))",[]))), 
?line <<":Ab">> = iolist_to_binary(join(re:split("Ab4ab","(ab)\\d\\1",[caseless,
                                                                                                                                                                                trim]))), 
?line <<":Ab:">> = iolist_to_binary(join(re:split("Ab4ab","(ab)\\d\\1",[caseless,
                                                                                                                                                                                  {parts,
                                                                                                                                                                                   2}]))), 
?line <<":Ab:">> = iolist_to_binary(join(re:split("Ab4ab","(ab)\\d\\1",[caseless]))), 
?line <<":ab">> = iolist_to_binary(join(re:split("ab4Ab","(ab)\\d\\1",[caseless,
                                                                                                                                                                                trim]))), 
?line <<":ab:">> = iolist_to_binary(join(re:split("ab4Ab","(ab)\\d\\1",[caseless,
                                                                                                                                                                                  {parts,
                                                                                                                                                                                   2}]))), 
?line <<":ab:">> = iolist_to_binary(join(re:split("ab4Ab","(ab)\\d\\1",[caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("foobar1234baz","foo\\w*\\d{4}baz",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("foobar1234baz","foo\\w*\\d{4}baz",[{parts,
                                                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("foobar1234baz","foo\\w*\\d{4}baz",[]))), 
?line <<":~~">> = iolist_to_binary(join(re:split("x~~","x(~~)*(?:(?:F)?)?",[trim]))), 
?line <<":~~:">> = iolist_to_binary(join(re:split("x~~","x(~~)*(?:(?:F)?)?",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":~~:">> = iolist_to_binary(join(re:split("x~~","x(~~)*(?:(?:F)?)?",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaac","^a(?#xxx){3}c",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaac","^a(?#xxx){3}c",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaac","^a(?#xxx){3}c",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaac","^a (?#xxx) (?#yyy) {3}c",[extended,
                                                                                                                                                                                                      trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaac","^a (?#xxx) (?#yyy) {3}c",[extended,
                                                                                                                                                                                                        {parts,
                                                                                                                                                                                                         2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaac","^a (?#xxx) (?#yyy) {3}c",[extended]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<![cd])b",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<![cd])b",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<![cd])b",[]))), 
?line <<"B
B">> = iolist_to_binary(join(re:split("B
B","(?<![cd])b",[trim]))), 
?line <<"B
B">> = iolist_to_binary(join(re:split("B
B","(?<![cd])b",[{parts,2}]))), 
?line <<"B
B">> = iolist_to_binary(join(re:split("B
B","(?<![cd])b",[]))), 
?line <<"dbcb">> = iolist_to_binary(join(re:split("dbcb","(?<![cd])b",[trim]))), 
?line <<"dbcb">> = iolist_to_binary(join(re:split("dbcb","(?<![cd])b",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"dbcb">> = iolist_to_binary(join(re:split("dbcb","(?<![cd])b",[]))), 
?line <<"db::cb">> = iolist_to_binary(join(re:split("dbaacb","(?<![cd])[ab]",[trim]))), 
?line <<"db:acb">> = iolist_to_binary(join(re:split("dbaacb","(?<![cd])[ab]",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<"db::cb">> = iolist_to_binary(join(re:split("dbaacb","(?<![cd])[ab]",[]))), 
?line <<"db::::cb">> = iolist_to_binary(join(re:split("dbaacb","(?<!(c|d))[ab]",[trim]))), 
?line <<"db::acb">> = iolist_to_binary(join(re:split("dbaacb","(?<!(c|d))[ab]",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"db::::cb">> = iolist_to_binary(join(re:split("dbaacb","(?<!(c|d))[ab]",[]))), 
?line <<"cdacc">> = iolist_to_binary(join(re:split("cdaccb","(?<!cd)[ab]",[trim]))), 
?line <<"cdacc:">> = iolist_to_binary(join(re:split("cdaccb","(?<!cd)[ab]",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"cdacc:">> = iolist_to_binary(join(re:split("cdaccb","(?<!cd)[ab]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("","^(?:a?b?)*$",[trim]))), 
?line <<"">> = iolist_to_binary(join(re:split("","^(?:a?b?)*$",[{parts,
                                                                                                                                                                         2}]))), 
?line <<"">> = iolist_to_binary(join(re:split("","^(?:a?b?)*$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","^(?:a?b?)*$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","^(?:a?b?)*$",[{parts,
                                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","^(?:a?b?)*$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab","^(?:a?b?)*$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","^(?:a?b?)*$",[{parts,
                                                                                                                                                                             2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab","^(?:a?b?)*$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaa","^(?:a?b?)*$",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaa","^(?:a?b?)*$",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaa","^(?:a?b?)*$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?:a?b?)*$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?:a?b?)*$",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?:a?b?)*$",[]))), 
?line <<"dbcb">> = iolist_to_binary(join(re:split("dbcb","^(?:a?b?)*$",[trim]))), 
?line <<"dbcb">> = iolist_to_binary(join(re:split("dbcb","^(?:a?b?)*$",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<"dbcb">> = iolist_to_binary(join(re:split("dbcb","^(?:a?b?)*$",[]))), 
?line <<"a--">> = iolist_to_binary(join(re:split("a--","^(?:a?b?)*$",[trim]))), 
?line <<"a--">> = iolist_to_binary(join(re:split("a--","^(?:a?b?)*$",[{parts,
                                                                                                                                                                               2}]))), 
?line <<"a--">> = iolist_to_binary(join(re:split("a--","^(?:a?b?)*$",[]))), 
?line <<"aa--">> = iolist_to_binary(join(re:split("aa--","^(?:a?b?)*$",[trim]))), 
?line <<"aa--">> = iolist_to_binary(join(re:split("aa--","^(?:a?b?)*$",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<"aa--">> = iolist_to_binary(join(re:split("aa--","^(?:a?b?)*$",[]))), 
?line <<":a
:
:b:
c">> = iolist_to_binary(join(re:split("a
b
c","((?s)^a(.))((?m)^b$)",[trim]))), 
?line <<":a
:
:b:
c">> = iolist_to_binary(join(re:split("a
b
c","((?s)^a(.))((?m)^b$)",[{parts,2}]))), 
?line <<":a
:
:b:
c">> = iolist_to_binary(join(re:split("a
b
c","((?s)^a(.))((?m)^b$)",[]))), 
?line <<"a
:b:
c">> = iolist_to_binary(join(re:split("a
b
c","((?m)^b$)",[trim]))), 
?line <<"a
:b:
c">> = iolist_to_binary(join(re:split("a
b
c","((?m)^b$)",[{parts,2}]))), 
?line <<"a
:b:
c">> = iolist_to_binary(join(re:split("a
b
c","((?m)^b$)",[]))), 
?line <<"a
">> = iolist_to_binary(join(re:split("a
b","(?m)^b",[trim]))), 
?line <<"a
:">> = iolist_to_binary(join(re:split("a
b","(?m)^b",[{parts,2}]))), 
?line <<"a
:">> = iolist_to_binary(join(re:split("a
b","(?m)^b",[]))), 
?line <<"a
:b">> = iolist_to_binary(join(re:split("a
b","(?m)^(b)",[trim]))), 
?line <<"a
:b:">> = iolist_to_binary(join(re:split("a
b","(?m)^(b)",[{parts,2}]))), 
?line <<"a
:b:">> = iolist_to_binary(join(re:split("a
b","(?m)^(b)",[]))), 
?line <<"a
:b">> = iolist_to_binary(join(re:split("a
b","((?m)^b)",[trim]))), 
?line <<"a
:b:">> = iolist_to_binary(join(re:split("a
b","((?m)^b)",[{parts,2}]))), 
?line <<"a
:b:">> = iolist_to_binary(join(re:split("a
b","((?m)^b)",[]))), 
?line <<"a:b">> = iolist_to_binary(join(re:split("a
b","\\n((?m)^b)",[trim]))), 
?line <<"a:b:">> = iolist_to_binary(join(re:split("a
b","\\n((?m)^b)",[{parts,2}]))), 
?line <<"a:b:">> = iolist_to_binary(join(re:split("a
b","\\n((?m)^b)",[]))), 
?line <<"a
b:
">> = iolist_to_binary(join(re:split("a
b
c","((?s).)c(?!.)",[trim]))), 
?line <<"a
b:
:">> = iolist_to_binary(join(re:split("a
b
c","((?s).)c(?!.)",[{parts,2}]))), 
?line <<"a
b:
:">> = iolist_to_binary(join(re:split("a
b
c","((?s).)c(?!.)",[]))), 
?line <<"a
b:
">> = iolist_to_binary(join(re:split("a
b
c","((?s).)c(?!.)",[trim]))), 
?line <<"a
b:
:">> = iolist_to_binary(join(re:split("a
b
c","((?s).)c(?!.)",[{parts,2}]))), 
?line <<"a
b:
:">> = iolist_to_binary(join(re:split("a
b
c","((?s).)c(?!.)",[]))), 
?line <<"a
:b
">> = iolist_to_binary(join(re:split("a
b
c","((?s)b.)c(?!.)",[trim]))), 
?line <<"a
:b
:">> = iolist_to_binary(join(re:split("a
b
c","((?s)b.)c(?!.)",[{parts,2}]))), 
?line <<"a
:b
:">> = iolist_to_binary(join(re:split("a
b
c","((?s)b.)c(?!.)",[]))), 
?line <<"a
:b
">> = iolist_to_binary(join(re:split("a
b
c","((?s)b.)c(?!.)",[trim]))), 
?line <<"a
:b
:">> = iolist_to_binary(join(re:split("a
b
c","((?s)b.)c(?!.)",[{parts,2}]))), 
?line <<"a
:b
:">> = iolist_to_binary(join(re:split("a
b
c","((?s)b.)c(?!.)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","()^b",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","()^b",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","()^b",[]))), 
?line <<"a
b
c">> = iolist_to_binary(join(re:split("a
b
c","()^b",[trim]))), 
?line <<"a
b
c">> = iolist_to_binary(join(re:split("a
b
c","()^b",[{parts,2}]))), 
?line <<"a
b
c">> = iolist_to_binary(join(re:split("a
b
c","()^b",[]))), 
?line <<"a
b
c">> = iolist_to_binary(join(re:split("a
b
c","()^b",[trim]))), 
?line <<"a
b
c">> = iolist_to_binary(join(re:split("a
b
c","()^b",[{parts,2}]))), 
?line <<"a
b
c">> = iolist_to_binary(join(re:split("a
b
c","()^b",[]))), 
?line <<"a
:b:
c">> = iolist_to_binary(join(re:split("a
b
c","((?m)^b)",[trim]))), 
?line <<"a
:b:
c">> = iolist_to_binary(join(re:split("a
b
c","((?m)^b)",[{parts,2}]))), 
?line <<"a
:b:
c">> = iolist_to_binary(join(re:split("a
b
c","((?m)^b)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(x)?(?(1)a|b)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(x)?(?(1)a|b)",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(x)?(?(1)a|b)",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","(x)?(?(1)a|b)",[trim]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","(x)?(?(1)a|b)",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","(x)?(?(1)a|b)",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","(x)?(?(1)a|b)",[trim]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","(x)?(?(1)a|b)",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","(x)?(?(1)a|b)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","(x)?(?(1)b|a)",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","(x)?(?(1)b|a)",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","(x)?(?(1)b|a)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","()?(?(1)b|a)",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","()?(?(1)b|a)",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","()?(?(1)b|a)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","()?(?(1)a|b)",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","()?(?(1)a|b)",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","()?(?(1)a|b)",[]))), 
?line <<":(:)">> = iolist_to_binary(join(re:split("(blah)","^(\\()?blah(?(1)(\\)))$",[trim]))), 
?line <<":(:):">> = iolist_to_binary(join(re:split("(blah)","^(\\()?blah(?(1)(\\)))$",[{parts,
                                                                                                                                                                                                               2}]))), 
?line <<":(:):">> = iolist_to_binary(join(re:split("(blah)","^(\\()?blah(?(1)(\\)))$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("blah","^(\\()?blah(?(1)(\\)))$",[trim]))), 
?line <<":::">> = iolist_to_binary(join(re:split("blah","^(\\()?blah(?(1)(\\)))$",[{parts,
                                                                                                                                                                                                           2}]))), 
?line <<":::">> = iolist_to_binary(join(re:split("blah","^(\\()?blah(?(1)(\\)))$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\()?blah(?(1)(\\)))$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\()?blah(?(1)(\\)))$",[{parts,
                                                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\()?blah(?(1)(\\)))$",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","^(\\()?blah(?(1)(\\)))$",[trim]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","^(\\()?blah(?(1)(\\)))$",[{parts,
                                                                                                                                                                                                     2}]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","^(\\()?blah(?(1)(\\)))$",[]))), 
?line <<"blah)">> = iolist_to_binary(join(re:split("blah)","^(\\()?blah(?(1)(\\)))$",[trim]))), 
?line <<"blah)">> = iolist_to_binary(join(re:split("blah)","^(\\()?blah(?(1)(\\)))$",[{parts,
                                                                                                                                                                                                             2}]))), 
?line <<"blah)">> = iolist_to_binary(join(re:split("blah)","^(\\()?blah(?(1)(\\)))$",[]))), 
?line <<"(blah">> = iolist_to_binary(join(re:split("(blah","^(\\()?blah(?(1)(\\)))$",[trim]))), 
?line <<"(blah">> = iolist_to_binary(join(re:split("(blah","^(\\()?blah(?(1)(\\)))$",[{parts,
                                                                                                                                                                                                             2}]))), 
?line <<"(blah">> = iolist_to_binary(join(re:split("(blah","^(\\()?blah(?(1)(\\)))$",[]))), 
?line <<":(:)">> = iolist_to_binary(join(re:split("(blah)","^(\\(+)?blah(?(1)(\\)))$",[trim]))), 
?line <<":(:):">> = iolist_to_binary(join(re:split("(blah)","^(\\(+)?blah(?(1)(\\)))$",[{parts,
                                                                                                                                                                                                                 2}]))), 
?line <<":(:):">> = iolist_to_binary(join(re:split("(blah)","^(\\(+)?blah(?(1)(\\)))$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("blah","^(\\(+)?blah(?(1)(\\)))$",[trim]))), 
?line <<":::">> = iolist_to_binary(join(re:split("blah","^(\\(+)?blah(?(1)(\\)))$",[{parts,
                                                                                                                                                                                                             2}]))), 
?line <<":::">> = iolist_to_binary(join(re:split("blah","^(\\(+)?blah(?(1)(\\)))$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\(+)?blah(?(1)(\\)))$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\(+)?blah(?(1)(\\)))$",[{parts,
                                                                                                                                                                                                                           2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(\\(+)?blah(?(1)(\\)))$",[]))), 
?line <<"blah)">> = iolist_to_binary(join(re:split("blah)","^(\\(+)?blah(?(1)(\\)))$",[trim]))), 
?line <<"blah)">> = iolist_to_binary(join(re:split("blah)","^(\\(+)?blah(?(1)(\\)))$",[{parts,
                                                                                                                                                                                                               2}]))), 
?line <<"blah)">> = iolist_to_binary(join(re:split("blah)","^(\\(+)?blah(?(1)(\\)))$",[]))), 
?line <<"(blah">> = iolist_to_binary(join(re:split("(blah","^(\\(+)?blah(?(1)(\\)))$",[trim]))), 
?line <<"(blah">> = iolist_to_binary(join(re:split("(blah","^(\\(+)?blah(?(1)(\\)))$",[{parts,
                                                                                                                                                                                                               2}]))), 
?line <<"(blah">> = iolist_to_binary(join(re:split("(blah","^(\\(+)?blah(?(1)(\\)))$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","(?(?!a)b|a)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","(?(?!a)b|a)",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","(?(?!a)b|a)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?(?=a)b|a)",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?(?=a)b|a)",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?(?=a)b|a)",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","(?(?=a)b|a)",[trim]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","(?(?=a)b|a)",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","(?(?=a)b|a)",[]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","(?(?=a)b|a)",[trim]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","(?(?=a)b|a)",[{parts,
                                                                                                                                                                          2}]))), 
?line <<"a">> = iolist_to_binary(join(re:split("a","(?(?=a)b|a)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","(?(?=a)a|b)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","(?(?=a)a|b)",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","(?(?=a)a|b)",[]))), 
?line <<"a:a:aab">> = iolist_to_binary(join(re:split("aaab","(?=(a+?))(\\1ab)",[trim]))), 
?line <<"a:a:aab:">> = iolist_to_binary(join(re:split("aaab","(?=(a+?))(\\1ab)",[{parts,
                                                                                                                                                                                           2}]))), 
?line <<"a:a:aab:">> = iolist_to_binary(join(re:split("aaab","(?=(a+?))(\\1ab)",[]))), 
?line <<":one:">> = iolist_to_binary(join(re:split("one:","(\\w+:)+",[trim]))), 
?line <<":one::">> = iolist_to_binary(join(re:split("one:","(\\w+:)+",[{parts,
                                                                                                                                                                           2}]))), 
?line <<":one::">> = iolist_to_binary(join(re:split("one:","(\\w+:)+",[]))), 
?line <<"a:a">> = iolist_to_binary(join(re:split("a","$(?<=^(a))",[trim]))), 
?line <<"a:a:">> = iolist_to_binary(join(re:split("a","$(?<=^(a))",[{parts,
                                                                                                                                                                         2}]))), 
?line <<"a:a:">> = iolist_to_binary(join(re:split("a","$(?<=^(a))",[]))), 
?line <<"a:a:aab">> = iolist_to_binary(join(re:split("aaab","(?=(a+?))(\\1ab)",[trim]))), 
?line <<"a:a:aab:">> = iolist_to_binary(join(re:split("aaab","(?=(a+?))(\\1ab)",[{parts,
                                                                                                                                                                                           2}]))), 
?line <<"a:a:aab:">> = iolist_to_binary(join(re:split("aaab","(?=(a+?))(\\1ab)",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?=(a+?))\\1ab",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?=(a+?))\\1ab",[{parts,
                                                                                                                                                                                                       2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?=(a+?))\\1ab",[]))), 
?line <<"aaab">> = iolist_to_binary(join(re:split("aaab","^(?=(a+?))\\1ab",[trim]))), 
?line <<"aaab">> = iolist_to_binary(join(re:split("aaab","^(?=(a+?))\\1ab",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<"aaab">> = iolist_to_binary(join(re:split("aaab","^(?=(a+?))\\1ab",[]))), 
?line <<"aaab">> = iolist_to_binary(join(re:split("aaab","^(?=(a+?))\\1ab",[trim]))), 
?line <<"aaab">> = iolist_to_binary(join(re:split("aaab","^(?=(a+?))\\1ab",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<"aaab">> = iolist_to_binary(join(re:split("aaab","^(?=(a+?))\\1ab",[]))), 
?line <<"::abcd">> = iolist_to_binary(join(re:split("abcd","([\\w:]+::)?(\\w+)$",[trim]))), 
?line <<"::abcd:">> = iolist_to_binary(join(re:split("abcd","([\\w:]+::)?(\\w+)$",[{parts,
                                                                                                                                                                                                   2}]))), 
?line <<"::abcd:">> = iolist_to_binary(join(re:split("abcd","([\\w:]+::)?(\\w+)$",[]))), 
?line <<":xy:z::::abcd">> = iolist_to_binary(join(re:split("xy:z:::abcd","([\\w:]+::)?(\\w+)$",[trim]))), 
?line <<":xy:z::::abcd:">> = iolist_to_binary(join(re:split("xy:z:::abcd","([\\w:]+::)?(\\w+)$",[{parts,
                                                                                                                                                                                                                 2}]))), 
?line <<":xy:z::::abcd:">> = iolist_to_binary(join(re:split("xy:z:::abcd","([\\w:]+::)?(\\w+)$",[]))), 
?line <<":c:d">> = iolist_to_binary(join(re:split("aexycd","^[^bcd]*(c+)",[trim]))), 
?line <<":c:d">> = iolist_to_binary(join(re:split("aexycd","^[^bcd]*(c+)",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":c:d">> = iolist_to_binary(join(re:split("aexycd","^[^bcd]*(c+)",[]))), 
?line <<"c:aa">> = iolist_to_binary(join(re:split("caab","(a*)b+",[trim]))), 
?line <<"c:aa:">> = iolist_to_binary(join(re:split("caab","(a*)b+",[{parts,
                                                                                                                                                                      2}]))), 
?line <<"c:aa:">> = iolist_to_binary(join(re:split("caab","(a*)b+",[]))), 
?line <<"::abcd">> = iolist_to_binary(join(re:split("abcd","([\\w:]+::)?(\\w+)$",[trim]))), 
?line <<"::abcd:">> = iolist_to_binary(join(re:split("abcd","([\\w:]+::)?(\\w+)$",[{parts,
                                                                                                                                                                                                   2}]))), 
?line <<"::abcd:">> = iolist_to_binary(join(re:split("abcd","([\\w:]+::)?(\\w+)$",[]))), 
?line <<":xy:z::::abcd">> = iolist_to_binary(join(re:split("xy:z:::abcd","([\\w:]+::)?(\\w+)$",[trim]))), 
?line <<":xy:z::::abcd:">> = iolist_to_binary(join(re:split("xy:z:::abcd","([\\w:]+::)?(\\w+)$",[{parts,
                                                                                                                                                                                                                 2}]))), 
?line <<":xy:z::::abcd:">> = iolist_to_binary(join(re:split("xy:z:::abcd","([\\w:]+::)?(\\w+)$",[]))), 
?line <<"*** ::Failers">> = iolist_to_binary(join(re:split("*** Failers","([\\w:]+::)?(\\w+)$",[trim]))), 
?line <<"*** ::Failers:">> = iolist_to_binary(join(re:split("*** Failers","([\\w:]+::)?(\\w+)$",[{parts,
                                                                                                                                                                                                                 2}]))), 
?line <<"*** ::Failers:">> = iolist_to_binary(join(re:split("*** Failers","([\\w:]+::)?(\\w+)$",[]))), 
?line <<"abcd:">> = iolist_to_binary(join(re:split("abcd:","([\\w:]+::)?(\\w+)$",[trim]))), 
?line <<"abcd:">> = iolist_to_binary(join(re:split("abcd:","([\\w:]+::)?(\\w+)$",[{parts,
                                                                                                                                                                                                     2}]))), 
?line <<"abcd:">> = iolist_to_binary(join(re:split("abcd:","([\\w:]+::)?(\\w+)$",[]))), 
?line <<"abcd:">> = iolist_to_binary(join(re:split("abcd:","([\\w:]+::)?(\\w+)$",[trim]))), 
?line <<"abcd:">> = iolist_to_binary(join(re:split("abcd:","([\\w:]+::)?(\\w+)$",[{parts,
                                                                                                                                                                                                     2}]))), 
?line <<"abcd:">> = iolist_to_binary(join(re:split("abcd:","([\\w:]+::)?(\\w+)$",[]))), 
?line <<":c:d">> = iolist_to_binary(join(re:split("aexycd","^[^bcd]*(c+)",[trim]))), 
?line <<":c:d">> = iolist_to_binary(join(re:split("aexycd","^[^bcd]*(c+)",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":c:d">> = iolist_to_binary(join(re:split("aexycd","^[^bcd]*(c+)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaab","(?>a+)b",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaab","(?>a+)b",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaab","(?>a+)b",[]))), 
?line <<"a::[:b]::">> = iolist_to_binary(join(re:split("a:[b]:","([[:]+)",[trim]))), 
?line <<"a::[:b]:">> = iolist_to_binary(join(re:split("a:[b]:","([[:]+)",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"a::[:b]:::">> = iolist_to_binary(join(re:split("a:[b]:","([[:]+)",[]))), 
?line <<"a:=[:b]:=">> = iolist_to_binary(join(re:split("a=[b]=","([[=]+)",[trim]))), 
?line <<"a:=[:b]=">> = iolist_to_binary(join(re:split("a=[b]=","([[=]+)",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"a:=[:b]:=:">> = iolist_to_binary(join(re:split("a=[b]=","([[=]+)",[]))), 
?line <<"a:.[:b]:.">> = iolist_to_binary(join(re:split("a.[b].","([[.]+)",[trim]))), 
?line <<"a:.[:b].">> = iolist_to_binary(join(re:split("a.[b].","([[.]+)",[{parts,
                                                                                                                                                                            2}]))), 
?line <<"a:.[:b]:.:">> = iolist_to_binary(join(re:split("a.[b].","([[.]+)",[]))), 
?line <<":aaab">> = iolist_to_binary(join(re:split("aaab","((?>a+)b)",[trim]))), 
?line <<":aaab:">> = iolist_to_binary(join(re:split("aaab","((?>a+)b)",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":aaab:">> = iolist_to_binary(join(re:split("aaab","((?>a+)b)",[]))), 
?line <<":aaa">> = iolist_to_binary(join(re:split("aaab","(?>(a+))b",[trim]))), 
?line <<":aaa:">> = iolist_to_binary(join(re:split("aaab","(?>(a+))b",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":aaa:">> = iolist_to_binary(join(re:split("aaab","(?>(a+))b",[]))), 
?line <<"((:x">> = iolist_to_binary(join(re:split("((abc(ade)ufh()()x","((?>[^()]+)|\\([^()]*\\))+",[trim]))), 
?line <<"((:x:">> = iolist_to_binary(join(re:split("((abc(ade)ufh()()x","((?>[^()]+)|\\([^()]*\\))+",[{parts,
                                                                                                                                                                                                                                            2}]))), 
?line <<"((:x:">> = iolist_to_binary(join(re:split("((abc(ade)ufh()()x","((?>[^()]+)|\\([^()]*\\))+",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a\\Z",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a\\Z",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a\\Z",[]))), 
?line <<"aaab">> = iolist_to_binary(join(re:split("aaab","a\\Z",[trim]))), 
?line <<"aaab">> = iolist_to_binary(join(re:split("aaab","a\\Z",[{parts,
                                                                                                                                                                   2}]))), 
?line <<"aaab">> = iolist_to_binary(join(re:split("aaab","a\\Z",[]))), 
?line <<"a
b">> = iolist_to_binary(join(re:split("a
b","a\\Z",[trim]))), 
?line <<"a
b">> = iolist_to_binary(join(re:split("a
b","a\\Z",[{parts,2}]))), 
?line <<"a
b">> = iolist_to_binary(join(re:split("a
b","a\\Z",[]))), 
?line <<"a
">> = iolist_to_binary(join(re:split("a
b","b\\Z",[trim]))), 
?line <<"a
:">> = iolist_to_binary(join(re:split("a
b","b\\Z",[{parts,2}]))), 
?line <<"a
:">> = iolist_to_binary(join(re:split("a
b","b\\Z",[]))), 
?line <<"a
">> = iolist_to_binary(join(re:split("a
b","b\\Z",[trim]))), 
?line <<"a
:">> = iolist_to_binary(join(re:split("a
b","b\\Z",[{parts,2}]))), 
?line <<"a
:">> = iolist_to_binary(join(re:split("a
b","b\\Z",[]))), 
?line <<"a
">> = iolist_to_binary(join(re:split("a
b","b\\z",[trim]))), 
?line <<"a
:">> = iolist_to_binary(join(re:split("a
b","b\\z",[{parts,2}]))), 
?line <<"a
:">> = iolist_to_binary(join(re:split("a
b","b\\z",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","b\\z",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","b\\z",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","b\\z",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                        2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abc","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                            2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("abc","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a-b","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a-b","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                            2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a-b","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("0-9","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("0-9","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                            2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("0-9","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a.b","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a.b","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                            2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a.b","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("5.6.7","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("5.6.7","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                                2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("5.6.7","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("the.quick.brown.fox","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("the.quick.brown.fox","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                                                            2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("the.quick.brown.fox","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a100.b200.300c","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a100.b200.300c","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                                                  2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a100.b200.300c","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("12-ab.1245","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("12-ab.1245","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                                          2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("12-ab.1245","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                                            2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"">> = iolist_to_binary(join(re:split("","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                      2}]))), 
?line <<"">> = iolist_to_binary(join(re:split("","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<".a">> = iolist_to_binary(join(re:split(".a","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<".a">> = iolist_to_binary(join(re:split(".a","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                          2}]))), 
?line <<".a">> = iolist_to_binary(join(re:split(".a","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"-a">> = iolist_to_binary(join(re:split("-a","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"-a">> = iolist_to_binary(join(re:split("-a","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                          2}]))), 
?line <<"-a">> = iolist_to_binary(join(re:split("-a","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"a-">> = iolist_to_binary(join(re:split("a-","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"a-">> = iolist_to_binary(join(re:split("a-","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                          2}]))), 
?line <<"a-">> = iolist_to_binary(join(re:split("a-","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"a.">> = iolist_to_binary(join(re:split("a.","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"a.">> = iolist_to_binary(join(re:split("a.","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                          2}]))), 
?line <<"a.">> = iolist_to_binary(join(re:split("a.","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"a_b">> = iolist_to_binary(join(re:split("a_b","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"a_b">> = iolist_to_binary(join(re:split("a_b","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                            2}]))), 
?line <<"a_b">> = iolist_to_binary(join(re:split("a_b","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"a.-">> = iolist_to_binary(join(re:split("a.-","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"a.-">> = iolist_to_binary(join(re:split("a.-","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                            2}]))), 
?line <<"a.-">> = iolist_to_binary(join(re:split("a.-","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"a..">> = iolist_to_binary(join(re:split("a..","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"a..">> = iolist_to_binary(join(re:split("a..","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                            2}]))), 
?line <<"a..">> = iolist_to_binary(join(re:split("a..","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"ab..bc">> = iolist_to_binary(join(re:split("ab..bc","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"ab..bc">> = iolist_to_binary(join(re:split("ab..bc","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                                  2}]))), 
?line <<"ab..bc">> = iolist_to_binary(join(re:split("ab..bc","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"the.quick.brown.fox-">> = iolist_to_binary(join(re:split("the.quick.brown.fox-","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"the.quick.brown.fox-">> = iolist_to_binary(join(re:split("the.quick.brown.fox-","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                                                              2}]))), 
?line <<"the.quick.brown.fox-">> = iolist_to_binary(join(re:split("the.quick.brown.fox-","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"the.quick.brown.fox.">> = iolist_to_binary(join(re:split("the.quick.brown.fox.","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"the.quick.brown.fox.">> = iolist_to_binary(join(re:split("the.quick.brown.fox.","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                                                              2}]))), 
?line <<"the.quick.brown.fox.">> = iolist_to_binary(join(re:split("the.quick.brown.fox.","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"the.quick.brown.fox_">> = iolist_to_binary(join(re:split("the.quick.brown.fox_","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"the.quick.brown.fox_">> = iolist_to_binary(join(re:split("the.quick.brown.fox_","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                                                              2}]))), 
?line <<"the.quick.brown.fox_">> = iolist_to_binary(join(re:split("the.quick.brown.fox_","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<"the.quick.brown.fox+">> = iolist_to_binary(join(re:split("the.quick.brown.fox+","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[trim]))), 
?line <<"the.quick.brown.fox+">> = iolist_to_binary(join(re:split("the.quick.brown.fox+","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[{parts,
                                                                                                                                                                                                                                                                                              2}]))), 
?line <<"the.quick.brown.fox+">> = iolist_to_binary(join(re:split("the.quick.brown.fox+","^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$",[]))), 
?line <<":abcd">> = iolist_to_binary(join(re:split("alphabetabcd","(?>.*)(?<=(abcd|wxyz))",[trim]))), 
?line <<":abcd:">> = iolist_to_binary(join(re:split("alphabetabcd","(?>.*)(?<=(abcd|wxyz))",[{parts,
                                                                                                                                                                                                                      2}]))), 
?line <<":abcd:">> = iolist_to_binary(join(re:split("alphabetabcd","(?>.*)(?<=(abcd|wxyz))",[]))), 
?line <<":wxyz">> = iolist_to_binary(join(re:split("endingwxyz","(?>.*)(?<=(abcd|wxyz))",[trim]))), 
?line <<":wxyz:">> = iolist_to_binary(join(re:split("endingwxyz","(?>.*)(?<=(abcd|wxyz))",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<":wxyz:">> = iolist_to_binary(join(re:split("endingwxyz","(?>.*)(?<=(abcd|wxyz))",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?>.*)(?<=(abcd|wxyz))",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?>.*)(?<=(abcd|wxyz))",[{parts,
                                                                                                                                                                                                                    2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?>.*)(?<=(abcd|wxyz))",[]))), 
?line <<"a rather long string that doesn't end with one of them">> = iolist_to_binary(join(re:split("a rather long string that doesn't end with one of them","(?>.*)(?<=(abcd|wxyz))",[trim]))), 
?line <<"a rather long string that doesn't end with one of them">> = iolist_to_binary(join(re:split("a rather long string that doesn't end with one of them","(?>.*)(?<=(abcd|wxyz))",[{parts,
                                                                                                                                                                                                                                                                                                                  2}]))), 
?line <<"a rather long string that doesn't end with one of them">> = iolist_to_binary(join(re:split("a rather long string that doesn't end with one of them","(?>.*)(?<=(abcd|wxyz))",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark otherword","word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark otherword","word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword",[{parts,
                                                                                                                                                                                                                                                                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark otherword","word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword",[]))), 
?line <<"word cat dog elephant mussel cow horse canary baboon snake shark">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark","word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword",[trim]))), 
?line <<"word cat dog elephant mussel cow horse canary baboon snake shark">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark","word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword",[{parts,
                                                                                                                                                                                                                                                                                                                                                                                              2}]))), 
?line <<"word cat dog elephant mussel cow horse canary baboon snake shark">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark","word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword",[]))), 
?line <<"word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope","word (?>[a-zA-Z0-9]+ ){0,30}otherword",[trim]))), 
?line <<"word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope","word (?>[a-zA-Z0-9]+ ){0,30}otherword",[{parts,
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2}]))), 
?line <<"word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope">> = iolist_to_binary(join(re:split("word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope","word (?>[a-zA-Z0-9]+ ){0,30}otherword",[]))), 
?line <<"999">> = iolist_to_binary(join(re:split("999foo","(?<=\\d{3}(?!999))foo",[trim]))), 
?line <<"999:">> = iolist_to_binary(join(re:split("999foo","(?<=\\d{3}(?!999))foo",[{parts,
                                                                                                                                                                                                         2}]))), 
?line <<"999:">> = iolist_to_binary(join(re:split("999foo","(?<=\\d{3}(?!999))foo",[]))), 
?line <<"123999">> = iolist_to_binary(join(re:split("123999foo","(?<=\\d{3}(?!999))foo",[trim]))), 
?line <<"123999:">> = iolist_to_binary(join(re:split("123999foo","(?<=\\d{3}(?!999))foo",[{parts,
                                                                                                                                                                                                               2}]))), 
?line <<"123999:">> = iolist_to_binary(join(re:split("123999foo","(?<=\\d{3}(?!999))foo",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=\\d{3}(?!999))foo",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=\\d{3}(?!999))foo",[{parts,
                                                                                                                                                                                                                   2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=\\d{3}(?!999))foo",[]))), 
?line <<"123abcfoo">> = iolist_to_binary(join(re:split("123abcfoo","(?<=\\d{3}(?!999))foo",[trim]))), 
?line <<"123abcfoo">> = iolist_to_binary(join(re:split("123abcfoo","(?<=\\d{3}(?!999))foo",[{parts,
                                                                                                                                                                                                               2}]))), 
?line <<"123abcfoo">> = iolist_to_binary(join(re:split("123abcfoo","(?<=\\d{3}(?!999))foo",[]))), 
?line <<"999">> = iolist_to_binary(join(re:split("999foo","(?<=(?!...999)\\d{3})foo",[trim]))), 
?line <<"999:">> = iolist_to_binary(join(re:split("999foo","(?<=(?!...999)\\d{3})foo",[{parts,
                                                                                                                                                                                                               2}]))), 
?line <<"999:">> = iolist_to_binary(join(re:split("999foo","(?<=(?!...999)\\d{3})foo",[]))), 
?line <<"123999">> = iolist_to_binary(join(re:split("123999foo","(?<=(?!...999)\\d{3})foo",[trim]))), 
?line <<"123999:">> = iolist_to_binary(join(re:split("123999foo","(?<=(?!...999)\\d{3})foo",[{parts,
                                                                                                                                                                                                                     2}]))), 
?line <<"123999:">> = iolist_to_binary(join(re:split("123999foo","(?<=(?!...999)\\d{3})foo",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=(?!...999)\\d{3})foo",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=(?!...999)\\d{3})foo",[{parts,
                                                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=(?!...999)\\d{3})foo",[]))), 
?line <<"123abcfoo">> = iolist_to_binary(join(re:split("123abcfoo","(?<=(?!...999)\\d{3})foo",[trim]))), 
?line <<"123abcfoo">> = iolist_to_binary(join(re:split("123abcfoo","(?<=(?!...999)\\d{3})foo",[{parts,
                                                                                                                                                                                                                     2}]))), 
?line <<"123abcfoo">> = iolist_to_binary(join(re:split("123abcfoo","(?<=(?!...999)\\d{3})foo",[]))), 
?line <<"123abc">> = iolist_to_binary(join(re:split("123abcfoo","(?<=\\d{3}(?!999)...)foo",[trim]))), 
?line <<"123abc:">> = iolist_to_binary(join(re:split("123abcfoo","(?<=\\d{3}(?!999)...)foo",[{parts,
                                                                                                                                                                                                                     2}]))), 
?line <<"123abc:">> = iolist_to_binary(join(re:split("123abcfoo","(?<=\\d{3}(?!999)...)foo",[]))), 
?line <<"123456">> = iolist_to_binary(join(re:split("123456foo","(?<=\\d{3}(?!999)...)foo",[trim]))), 
?line <<"123456:">> = iolist_to_binary(join(re:split("123456foo","(?<=\\d{3}(?!999)...)foo",[{parts,
                                                                                                                                                                                                                     2}]))), 
?line <<"123456:">> = iolist_to_binary(join(re:split("123456foo","(?<=\\d{3}(?!999)...)foo",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=\\d{3}(?!999)...)foo",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=\\d{3}(?!999)...)foo",[{parts,
                                                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=\\d{3}(?!999)...)foo",[]))), 
?line <<"123999foo">> = iolist_to_binary(join(re:split("123999foo","(?<=\\d{3}(?!999)...)foo",[trim]))), 
?line <<"123999foo">> = iolist_to_binary(join(re:split("123999foo","(?<=\\d{3}(?!999)...)foo",[{parts,
                                                                                                                                                                                                                     2}]))), 
?line <<"123999foo">> = iolist_to_binary(join(re:split("123999foo","(?<=\\d{3}(?!999)...)foo",[]))), 
?line <<"123abc">> = iolist_to_binary(join(re:split("123abcfoo","(?<=\\d{3}...)(?<!999)foo",[trim]))), 
?line <<"123abc:">> = iolist_to_binary(join(re:split("123abcfoo","(?<=\\d{3}...)(?<!999)foo",[{parts,
                                                                                                                                                                                                                       2}]))), 
?line <<"123abc:">> = iolist_to_binary(join(re:split("123abcfoo","(?<=\\d{3}...)(?<!999)foo",[]))), 
?line <<"123456">> = iolist_to_binary(join(re:split("123456foo","(?<=\\d{3}...)(?<!999)foo",[trim]))), 
?line <<"123456:">> = iolist_to_binary(join(re:split("123456foo","(?<=\\d{3}...)(?<!999)foo",[{parts,
                                                                                                                                                                                                                       2}]))), 
?line <<"123456:">> = iolist_to_binary(join(re:split("123456foo","(?<=\\d{3}...)(?<!999)foo",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=\\d{3}...)(?<!999)foo",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=\\d{3}...)(?<!999)foo",[{parts,
                                                                                                                                                                                                                           2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?<=\\d{3}...)(?<!999)foo",[]))), 
?line <<"123999foo">> = iolist_to_binary(join(re:split("123999foo","(?<=\\d{3}...)(?<!999)foo",[trim]))), 
?line <<"123999foo">> = iolist_to_binary(join(re:split("123999foo","(?<=\\d{3}...)(?<!999)foo",[{parts,
                                                                                                                                                                                                                       2}]))), 
?line <<"123999foo">> = iolist_to_binary(join(re:split("123999foo","(?<=\\d{3}...)(?<!999)foo",[]))), 
?line <<":::abcd: xyz">> = iolist_to_binary(join(re:split("<a href=abcd xyz","<a[\\s]+href[\\s]*=[\\s]*          # find <a href=
 ([\\\"\\'])?                       # find single or double quote
 (?(1) (.*?)\\1 | ([^\\s]+))       # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              trim]))), 
?line <<":::abcd: xyz">> = iolist_to_binary(join(re:split("<a href=abcd xyz","<a[\\s]+href[\\s]*=[\\s]*          # find <a href=
 ([\\\"\\'])?                       # find single or double quote
 (?(1) (.*?)\\1 | ([^\\s]+))       # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              {parts,
                                                                               2}]))), 
?line <<":::abcd: xyz">> = iolist_to_binary(join(re:split("<a href=abcd xyz","<a[\\s]+href[\\s]*=[\\s]*          # find <a href=
 ([\\\"\\'])?                       # find single or double quote
 (?(1) (.*?)\\1 | ([^\\s]+))       # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended]))), 
?line <<":\":abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href=\"abcd xyz pqr\" cats","<a[\\s]+href[\\s]*=[\\s]*          # find <a href=
 ([\\\"\\'])?                       # find single or double quote
 (?(1) (.*?)\\1 | ([^\\s]+))       # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              trim]))), 
?line <<":\":abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href=\"abcd xyz pqr\" cats","<a[\\s]+href[\\s]*=[\\s]*          # find <a href=
 ([\\\"\\'])?                       # find single or double quote
 (?(1) (.*?)\\1 | ([^\\s]+))       # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              {parts,
                                                                               2}]))), 
?line <<":\":abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href=\"abcd xyz pqr\" cats","<a[\\s]+href[\\s]*=[\\s]*          # find <a href=
 ([\\\"\\'])?                       # find single or double quote
 (?(1) (.*?)\\1 | ([^\\s]+))       # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended]))), 
?line <<":':abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href='abcd xyz pqr' cats","<a[\\s]+href[\\s]*=[\\s]*          # find <a href=
 ([\\\"\\'])?                       # find single or double quote
 (?(1) (.*?)\\1 | ([^\\s]+))       # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              trim]))), 
?line <<":':abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href='abcd xyz pqr' cats","<a[\\s]+href[\\s]*=[\\s]*          # find <a href=
 ([\\\"\\'])?                       # find single or double quote
 (?(1) (.*?)\\1 | ([^\\s]+))       # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              {parts,
                                                                               2}]))), 
?line <<":':abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href='abcd xyz pqr' cats","<a[\\s]+href[\\s]*=[\\s]*          # find <a href=
 ([\\\"\\'])?                       # find single or double quote
 (?(1) (.*?)\\1 | ([^\\s]+))       # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended]))), 
?line <<":::abcd: xyz">> = iolist_to_binary(join(re:split("<a href=abcd xyz","<a\\s+href\\s*=\\s*                # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              trim]))), 
?line <<":::abcd: xyz">> = iolist_to_binary(join(re:split("<a href=abcd xyz","<a\\s+href\\s*=\\s*                # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              {parts,
                                                                               2}]))), 
?line <<":::abcd: xyz">> = iolist_to_binary(join(re:split("<a href=abcd xyz","<a\\s+href\\s*=\\s*                # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended]))), 
?line <<":\":abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href=\"abcd xyz pqr\" cats","<a\\s+href\\s*=\\s*                # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              trim]))), 
?line <<":\":abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href=\"abcd xyz pqr\" cats","<a\\s+href\\s*=\\s*                # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              {parts,
                                                                               2}]))), 
?line <<":\":abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href=\"abcd xyz pqr\" cats","<a\\s+href\\s*=\\s*                # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended]))), 
?line <<":':abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href       =       'abcd xyz pqr' cats","<a\\s+href\\s*=\\s*                # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              trim]))), 
?line <<":':abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href       =       'abcd xyz pqr' cats","<a\\s+href\\s*=\\s*                # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              {parts,
                                                                               2}]))), 
?line <<":':abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href       =       'abcd xyz pqr' cats","<a\\s+href\\s*=\\s*                # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended]))), 
?line <<":::abcd: xyz">> = iolist_to_binary(join(re:split("<a href=abcd xyz","<a\\s+href(?>\\s*)=(?>\\s*)        # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              trim]))), 
?line <<":::abcd: xyz">> = iolist_to_binary(join(re:split("<a href=abcd xyz","<a\\s+href(?>\\s*)=(?>\\s*)        # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              {parts,
                                                                               2}]))), 
?line <<":::abcd: xyz">> = iolist_to_binary(join(re:split("<a href=abcd xyz","<a\\s+href(?>\\s*)=(?>\\s*)        # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended]))), 
?line <<":\":abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href=\"abcd xyz pqr\" cats","<a\\s+href(?>\\s*)=(?>\\s*)        # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              trim]))), 
?line <<":\":abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href=\"abcd xyz pqr\" cats","<a\\s+href(?>\\s*)=(?>\\s*)        # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              {parts,
                                                                               2}]))), 
?line <<":\":abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href=\"abcd xyz pqr\" cats","<a\\s+href(?>\\s*)=(?>\\s*)        # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended]))), 
?line <<":':abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href       =       'abcd xyz pqr' cats","<a\\s+href(?>\\s*)=(?>\\s*)        # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              trim]))), 
?line <<":':abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href       =       'abcd xyz pqr' cats","<a\\s+href(?>\\s*)=(?>\\s*)        # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended,
                                                                              {parts,
                                                                               2}]))), 
?line <<":':abcd xyz pqr:: cats">> = iolist_to_binary(join(re:split("<a href       =       'abcd xyz pqr' cats","<a\\s+href(?>\\s*)=(?>\\s*)        # find <a href=
 ([\"'])?                         # find single or double quote
 (?(1) (.*?)\\1 | (\\S+))          # if quote found, match up to next matching
                                 # quote, otherwise match up to next space",[caseless,
                                                                              dotall,
                                                                              extended]))), 
?line <<":A:Z:B:::C:::D:::E:::F:::G">> = iolist_to_binary(join(re:split("ZABCDEFG","((Z)+|A)*",[trim]))), 
?line <<":A:Z:BCDEFG">> = iolist_to_binary(join(re:split("ZABCDEFG","((Z)+|A)*",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":A:Z:B:::C:::D:::E:::F:::G:::">> = iolist_to_binary(join(re:split("ZABCDEFG","((Z)+|A)*",[]))), 
?line <<":A::B:::C:::D:::E:::F:::G">> = iolist_to_binary(join(re:split("ZABCDEFG","(Z()|A)*",[trim]))), 
?line <<":A::BCDEFG">> = iolist_to_binary(join(re:split("ZABCDEFG","(Z()|A)*",[{parts,
                                                                                                                                                                                  2}]))), 
?line <<":A::B:::C:::D:::E:::F:::G:::">> = iolist_to_binary(join(re:split("ZABCDEFG","(Z()|A)*",[]))), 
?line <<":A:::B::::C::::D::::E::::F::::G">> = iolist_to_binary(join(re:split("ZABCDEFG","(Z(())|A)*",[trim]))), 
?line <<":A:::BCDEFG">> = iolist_to_binary(join(re:split("ZABCDEFG","(Z(())|A)*",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":A:::B::::C::::D::::E::::F::::G::::">> = iolist_to_binary(join(re:split("ZABCDEFG","(Z(())|A)*",[]))), 
?line <<":A:B::C::D::E::F::G">> = iolist_to_binary(join(re:split("ZABCDEFG","((?>Z)+|A)*",[trim]))), 
?line <<":A:BCDEFG">> = iolist_to_binary(join(re:split("ZABCDEFG","((?>Z)+|A)*",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<":A:B::C::D::E::F::G::">> = iolist_to_binary(join(re:split("ZABCDEFG","((?>Z)+|A)*",[]))), 
?line <<"Z::::B::C::D::E::F::G">> = iolist_to_binary(join(re:split("ZABCDEFG","((?>)+|A)*",[trim]))), 
?line <<"Z::ABCDEFG">> = iolist_to_binary(join(re:split("ZABCDEFG","((?>)+|A)*",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<"Z::::B::C::D::E::F::G::">> = iolist_to_binary(join(re:split("ZABCDEFG","((?>)+|A)*",[]))), 
?line <<":b:b:b">> = iolist_to_binary(join(re:split("abbab","a*",[trim]))), 
?line <<":bbab">> = iolist_to_binary(join(re:split("abbab","a*",[{parts,
                                                                                                                                                                2}]))), 
?line <<":b:b:b:">> = iolist_to_binary(join(re:split("abbab","a*",[]))), 
?line <<":bcde">> = iolist_to_binary(join(re:split("abcde","^[a-\\d]",[trim]))), 
?line <<":bcde">> = iolist_to_binary(join(re:split("abcde","^[a-\\d]",[{parts,
                                                                                                                                                                             2}]))), 
?line <<":bcde">> = iolist_to_binary(join(re:split("abcde","^[a-\\d]",[]))), 
?line <<":things">> = iolist_to_binary(join(re:split("-things","^[a-\\d]",[trim]))), 
?line <<":things">> = iolist_to_binary(join(re:split("-things","^[a-\\d]",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<":things">> = iolist_to_binary(join(re:split("-things","^[a-\\d]",[]))), 
?line <<":digit">> = iolist_to_binary(join(re:split("0digit","^[a-\\d]",[trim]))), 
?line <<":digit">> = iolist_to_binary(join(re:split("0digit","^[a-\\d]",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":digit">> = iolist_to_binary(join(re:split("0digit","^[a-\\d]",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[a-\\d]",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[a-\\d]",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[a-\\d]",[]))), 
?line <<"bcdef">> = iolist_to_binary(join(re:split("bcdef","^[a-\\d]",[trim]))), 
?line <<"bcdef">> = iolist_to_binary(join(re:split("bcdef","^[a-\\d]",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"bcdef">> = iolist_to_binary(join(re:split("bcdef","^[a-\\d]",[]))), 
?line <<":bcde">> = iolist_to_binary(join(re:split("abcde","^[\\d-a]",[trim]))), 
?line <<":bcde">> = iolist_to_binary(join(re:split("abcde","^[\\d-a]",[{parts,
                                                                                                                                                                             2}]))), 
?line <<":bcde">> = iolist_to_binary(join(re:split("abcde","^[\\d-a]",[]))), 
?line <<":things">> = iolist_to_binary(join(re:split("-things","^[\\d-a]",[trim]))), 
?line <<":things">> = iolist_to_binary(join(re:split("-things","^[\\d-a]",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<":things">> = iolist_to_binary(join(re:split("-things","^[\\d-a]",[]))), 
?line <<":digit">> = iolist_to_binary(join(re:split("0digit","^[\\d-a]",[trim]))), 
?line <<":digit">> = iolist_to_binary(join(re:split("0digit","^[\\d-a]",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":digit">> = iolist_to_binary(join(re:split("0digit","^[\\d-a]",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[\\d-a]",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[\\d-a]",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^[\\d-a]",[]))), 
?line <<"bcdef">> = iolist_to_binary(join(re:split("bcdef","^[\\d-a]",[trim]))), 
?line <<"bcdef">> = iolist_to_binary(join(re:split("bcdef","^[\\d-a]",[{parts,
                                                                                                                                                                             2}]))), 
?line <<"bcdef">> = iolist_to_binary(join(re:split("bcdef","^[\\d-a]",[]))), 
?line <<">:<">> = iolist_to_binary(join(re:split("> 	

<","[[:space:]]+",[trim]))), 
?line <<">:<">> = iolist_to_binary(join(re:split("> 	

<","[[:space:]]+",[{parts,2}]))), 
?line <<">:<">> = iolist_to_binary(join(re:split("> 	

<","[[:space:]]+",[]))), 
?line <<">:

<">> = iolist_to_binary(join(re:split("> 	

<","[[:blank:]]+",[trim]))), 
?line <<">:

<">> = iolist_to_binary(join(re:split("> 	

<","[[:blank:]]+",[{parts,2}]))), 
?line <<">:

<">> = iolist_to_binary(join(re:split("> 	

<","[[:blank:]]+",[]))), 
?line <<">:<">> = iolist_to_binary(join(re:split("> 	

<","[\\s]+",[trim]))), 
?line <<">:<">> = iolist_to_binary(join(re:split("> 	

<","[\\s]+",[{parts,2}]))), 
?line <<">:<">> = iolist_to_binary(join(re:split("> 	

<","[\\s]+",[]))), 
?line <<">:<">> = iolist_to_binary(join(re:split("> 	

<","\\s+",[trim]))), 
?line <<">:<">> = iolist_to_binary(join(re:split("> 	

<","\\s+",[{parts,2}]))), 
?line <<">:<">> = iolist_to_binary(join(re:split("> 	

<","\\s+",[]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","ab",[extended,
                                                                                                                                                          trim]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","ab",[extended,
                                                                                                                                                            {parts,
                                                                                                                                                             2}]))), 
?line <<"ab">> = iolist_to_binary(join(re:split("ab","ab",[extended]))), 
?line <<"a
:b">> = iolist_to_binary(join(re:split("a
xb","(?!\\A)x",[multiline,trim]))), 
?line <<"a
:b">> = iolist_to_binary(join(re:split("a
xb","(?!\\A)x",[multiline,{parts,2}]))), 
?line <<"a
:b">> = iolist_to_binary(join(re:split("a
xb","(?!\\A)x",[multiline]))), 
?line <<"a
xb">> = iolist_to_binary(join(re:split("a
xb","(?!^)x",[multiline,trim]))), 
?line <<"a
xb">> = iolist_to_binary(join(re:split("a
xb","(?!^)x",[multiline,{parts,2}]))), 
?line <<"a
xb">> = iolist_to_binary(join(re:split("a
xb","(?!^)x",[multiline]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcabcabc","abc\\Qabc\\Eabc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcabcabc","abc\\Qabc\\Eabc",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abcabcabc","abc\\Qabc\\Eabc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc(*+|abc","abc\\Q(*+|\\Eabc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc(*+|abc","abc\\Q(*+|\\Eabc",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc(*+|abc","abc\\Q(*+|\\Eabc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc abcabc","   abc\\Q abc\\Eabc",[extended,
                                                                                                                                                                                                            trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc abcabc","   abc\\Q abc\\Eabc",[extended,
                                                                                                                                                                                                              {parts,
                                                                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc abcabc","   abc\\Q abc\\Eabc",[extended]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","   abc\\Q abc\\Eabc",[extended,
                                                                                                                                                                                                              trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","   abc\\Q abc\\Eabc",[extended,
                                                                                                                                                                                                                {parts,
                                                                                                                                                                                                                 2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","   abc\\Q abc\\Eabc",[extended]))), 
?line <<"abcabcabc">> = iolist_to_binary(join(re:split("abcabcabc","   abc\\Q abc\\Eabc",[extended,
                                                                                                                                                                                                          trim]))), 
?line <<"abcabcabc">> = iolist_to_binary(join(re:split("abcabcabc","   abc\\Q abc\\Eabc",[extended,
                                                                                                                                                                                                            {parts,
                                                                                                                                                                                                             2}]))), 
?line <<"abcabcabc">> = iolist_to_binary(join(re:split("abcabcabc","   abc\\Q abc\\Eabc",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc#not comment
    literal","abc#comment
    \\Q#not comment
    literal\\E",[extended,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc#not comment
    literal","abc#comment
    \\Q#not comment
    literal\\E",[extended,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc#not comment
    literal","abc#comment
    \\Q#not comment
    literal\\E",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc#not comment
    literal","abc#comment
    \\Q#not comment
    literal",[extended,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc#not comment
    literal","abc#comment
    \\Q#not comment
    literal",[extended,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc#not comment
    literal","abc#comment
    \\Q#not comment
    literal",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc#not comment
    literal","abc#comment
    \\Q#not comment
    literal\\E #more comment
    ",[extended,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc#not comment
    literal","abc#comment
    \\Q#not comment
    literal\\E #more comment
    ",[extended,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc#not comment
    literal","abc#comment
    \\Q#not comment
    literal\\E #more comment
    ",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc#not comment
    literal","abc#comment
    \\Q#not comment
    literal\\E #more comment",[extended,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc#not comment
    literal","abc#comment
    \\Q#not comment
    literal\\E #more comment",[extended,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc#not comment
    literal","abc#comment
    \\Q#not comment
    literal\\E #more comment",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc\\$xyz","\\Qabc\\$xyz\\E",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc\\$xyz","\\Qabc\\$xyz\\E",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc\\$xyz","\\Qabc\\$xyz\\E",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc$xyz","\\Qabc\\E\\$\\Qxyz\\E",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc$xyz","\\Qabc\\E\\$\\Qxyz\\E",[{parts,
                                                                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc$xyz","\\Qabc\\E\\$\\Qxyz\\E",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","\\Aabc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","\\Aabc",[{parts,
                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","\\Aabc",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\Aabc",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\Aabc",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","\\Aabc",[]))), 
?line <<"xyzabc">> = iolist_to_binary(join(re:split("xyzabc","\\Aabc",[trim]))), 
?line <<"xyzabc">> = iolist_to_binary(join(re:split("xyzabc","\\Aabc",[{parts,
                                                                                                                                                                           2}]))), 
?line <<"xyzabc">> = iolist_to_binary(join(re:split("xyzabc","\\Aabc",[]))), 
?line <<":abc2xyzabc3">> = iolist_to_binary(join(re:split("abc1abc2xyzabc3","\\Aabc.",[trim]))), 
?line <<":abc2xyzabc3">> = iolist_to_binary(join(re:split("abc1abc2xyzabc3","\\Aabc.",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<":abc2xyzabc3">> = iolist_to_binary(join(re:split("abc1abc2xyzabc3","\\Aabc.",[]))), 
?line <<"::xyz">> = iolist_to_binary(join(re:split("abc1abc2xyzabc3","abc.",[trim]))), 
?line <<":abc2xyzabc3">> = iolist_to_binary(join(re:split("abc1abc2xyzabc3","abc.",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<"::xyz:">> = iolist_to_binary(join(re:split("abc1abc2xyzabc3","abc.",[]))), 
?line <<"X:Y">> = iolist_to_binary(join(re:split("XabcdY","a(?x: b c )d",[trim]))), 
?line <<"X:Y">> = iolist_to_binary(join(re:split("XabcdY","a(?x: b c )d",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<"X:Y">> = iolist_to_binary(join(re:split("XabcdY","a(?x: b c )d",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?x: b c )d",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?x: b c )d",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","a(?x: b c )d",[]))), 
?line <<"Xa b c d Y">> = iolist_to_binary(join(re:split("Xa b c d Y","a(?x: b c )d",[trim]))), 
?line <<"Xa b c d Y">> = iolist_to_binary(join(re:split("Xa b c d Y","a(?x: b c )d",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"Xa b c d Y">> = iolist_to_binary(join(re:split("Xa b c d Y","a(?x: b c )d",[]))), 
?line <<"X:abc:Y">> = iolist_to_binary(join(re:split("XabcY","((?x)x y z | a b c)",[trim]))), 
?line <<"X:abc:Y">> = iolist_to_binary(join(re:split("XabcY","((?x)x y z | a b c)",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"X:abc:Y">> = iolist_to_binary(join(re:split("XabcY","((?x)x y z | a b c)",[]))), 
?line <<"A:xyz:B">> = iolist_to_binary(join(re:split("AxyzB","((?x)x y z | a b c)",[trim]))), 
?line <<"A:xyz:B">> = iolist_to_binary(join(re:split("AxyzB","((?x)x y z | a b c)",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<"A:xyz:B">> = iolist_to_binary(join(re:split("AxyzB","((?x)x y z | a b c)",[]))), 
?line <<"X:Y">> = iolist_to_binary(join(re:split("XabCY","(?i)AB(?-i)C",[trim]))), 
?line <<"X:Y">> = iolist_to_binary(join(re:split("XabCY","(?i)AB(?-i)C",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"X:Y">> = iolist_to_binary(join(re:split("XabCY","(?i)AB(?-i)C",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?i)AB(?-i)C",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?i)AB(?-i)C",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","(?i)AB(?-i)C",[]))), 
?line <<"XabcY">> = iolist_to_binary(join(re:split("XabcY","(?i)AB(?-i)C",[trim]))), 
?line <<"XabcY">> = iolist_to_binary(join(re:split("XabcY","(?i)AB(?-i)C",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<"XabcY">> = iolist_to_binary(join(re:split("XabcY","(?i)AB(?-i)C",[]))), 
?line <<":abC">> = iolist_to_binary(join(re:split("abCE","((?i)AB(?-i)C|D)E",[trim]))), 
?line <<":abC:">> = iolist_to_binary(join(re:split("abCE","((?i)AB(?-i)C|D)E",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":abC:">> = iolist_to_binary(join(re:split("abCE","((?i)AB(?-i)C|D)E",[]))), 
?line <<":D">> = iolist_to_binary(join(re:split("DE","((?i)AB(?-i)C|D)E",[trim]))), 
?line <<":D:">> = iolist_to_binary(join(re:split("DE","((?i)AB(?-i)C|D)E",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<":D:">> = iolist_to_binary(join(re:split("DE","((?i)AB(?-i)C|D)E",[]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","((?i)AB(?-i)C|D)E",[trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","((?i)AB(?-i)C|D)E",[{parts,
                                                                                                                                                                                                          2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","((?i)AB(?-i)C|D)E",[]))), 
?line <<"abcE">> = iolist_to_binary(join(re:split("abcE","((?i)AB(?-i)C|D)E",[trim]))), 
?line <<"abcE">> = iolist_to_binary(join(re:split("abcE","((?i)AB(?-i)C|D)E",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<"abcE">> = iolist_to_binary(join(re:split("abcE","((?i)AB(?-i)C|D)E",[]))), 
?line <<"abCe">> = iolist_to_binary(join(re:split("abCe","((?i)AB(?-i)C|D)E",[trim]))), 
?line <<"abCe">> = iolist_to_binary(join(re:split("abCe","((?i)AB(?-i)C|D)E",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<"abCe">> = iolist_to_binary(join(re:split("abCe","((?i)AB(?-i)C|D)E",[]))), 
?line <<"dE">> = iolist_to_binary(join(re:split("dE","((?i)AB(?-i)C|D)E",[trim]))), 
?line <<"dE">> = iolist_to_binary(join(re:split("dE","((?i)AB(?-i)C|D)E",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<"dE">> = iolist_to_binary(join(re:split("dE","((?i)AB(?-i)C|D)E",[]))), 
?line <<"De">> = iolist_to_binary(join(re:split("De","((?i)AB(?-i)C|D)E",[trim]))), 
?line <<"De">> = iolist_to_binary(join(re:split("De","((?i)AB(?-i)C|D)E",[{parts,
                                                                                                                                                                                        2}]))), 
?line <<"De">> = iolist_to_binary(join(re:split("De","((?i)AB(?-i)C|D)E",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abc123abc","(.*)\\d+\\1",[trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abc123abc","(.*)\\d+\\1",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abc123abc","(.*)\\d+\\1",[]))), 
?line <<"a:bc">> = iolist_to_binary(join(re:split("abc123bc","(.*)\\d+\\1",[trim]))), 
?line <<"a:bc:">> = iolist_to_binary(join(re:split("abc123bc","(.*)\\d+\\1",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"a:bc:">> = iolist_to_binary(join(re:split("abc123bc","(.*)\\d+\\1",[]))), 
?line <<":abc">> = iolist_to_binary(join(re:split("abc123abc","(.*)\\d+\\1",[dotall,
                                                                                                                                                                                          trim]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abc123abc","(.*)\\d+\\1",[dotall,
                                                                                                                                                                                            {parts,
                                                                                                                                                                                             2}]))), 
?line <<":abc:">> = iolist_to_binary(join(re:split("abc123abc","(.*)\\d+\\1",[dotall]))), 
?line <<"a:bc">> = iolist_to_binary(join(re:split("abc123bc","(.*)\\d+\\1",[dotall,
                                                                                                                                                                                        trim]))), 
?line <<"a:bc:">> = iolist_to_binary(join(re:split("abc123bc","(.*)\\d+\\1",[dotall,
                                                                                                                                                                                          {parts,
                                                                                                                                                                                           2}]))), 
?line <<"a:bc:">> = iolist_to_binary(join(re:split("abc123bc","(.*)\\d+\\1",[dotall]))), 
?line <<":abc:abc">> = iolist_to_binary(join(re:split("abc123abc","((.*))\\d+\\1",[trim]))), 
?line <<":abc:abc:">> = iolist_to_binary(join(re:split("abc123abc","((.*))\\d+\\1",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<":abc:abc:">> = iolist_to_binary(join(re:split("abc123abc","((.*))\\d+\\1",[]))), 
?line <<"a:bc:bc">> = iolist_to_binary(join(re:split("abc123bc","((.*))\\d+\\1",[trim]))), 
?line <<"a:bc:bc:">> = iolist_to_binary(join(re:split("abc123bc","((.*))\\d+\\1",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"a:bc:bc:">> = iolist_to_binary(join(re:split("abc123bc","((.*))\\d+\\1",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a123::a123","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a123::a123","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a123::a123","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("a123:b342::abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a123:b342::abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a123:b342::abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("a123:b342::324e:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a123:b342::324e:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a123:b342::324e:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("a123:ddde:b342::324e:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a123:ddde:b342::324e:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a123:ddde:b342::324e:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("a123:ddde:b342::324e:dcba:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a123:ddde:b342::324e:dcba:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a123:ddde:b342::324e:dcba:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("a123:ddde:9999:b342::324e:dcba:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a123:ddde:9999:b342::324e:dcba:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("a123:ddde:9999:b342::324e:dcba:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"*** Failers">> = iolist_to_binary(join(re:split("*** Failers","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"1:2:3:4:5:6:7:8">> = iolist_to_binary(join(re:split("1:2:3:4:5:6:7:8","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"1:2:3:4:5:6:7:8">> = iolist_to_binary(join(re:split("1:2:3:4:5:6:7:8","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"1:2:3:4:5:6:7:8">> = iolist_to_binary(join(re:split("1:2:3:4:5:6:7:8","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"a123:bce:ddde:9999:b342::324e:dcba:abcd">> = iolist_to_binary(join(re:split("a123:bce:ddde:9999:b342::324e:dcba:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"a123:bce:ddde:9999:b342::324e:dcba:abcd">> = iolist_to_binary(join(re:split("a123:bce:ddde:9999:b342::324e:dcba:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"a123:bce:ddde:9999:b342::324e:dcba:abcd">> = iolist_to_binary(join(re:split("a123:bce:ddde:9999:b342::324e:dcba:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"a123::9999:b342::324e:dcba:abcd">> = iolist_to_binary(join(re:split("a123::9999:b342::324e:dcba:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"a123::9999:b342::324e:dcba:abcd">> = iolist_to_binary(join(re:split("a123::9999:b342::324e:dcba:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"a123::9999:b342::324e:dcba:abcd">> = iolist_to_binary(join(re:split("a123::9999:b342::324e:dcba:abcd","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"abcde:2:3:4:5:6:7:8">> = iolist_to_binary(join(re:split("abcde:2:3:4:5:6:7:8","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"abcde:2:3:4:5:6:7:8">> = iolist_to_binary(join(re:split("abcde:2:3:4:5:6:7:8","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"abcde:2:3:4:5:6:7:8">> = iolist_to_binary(join(re:split("abcde:2:3:4:5:6:7:8","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"::1">> = iolist_to_binary(join(re:split("::1","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"::1">> = iolist_to_binary(join(re:split("::1","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"::1">> = iolist_to_binary(join(re:split("::1","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"abcd:fee0:123::">> = iolist_to_binary(join(re:split("abcd:fee0:123::","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"abcd:fee0:123::">> = iolist_to_binary(join(re:split("abcd:fee0:123::","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"abcd:fee0:123::">> = iolist_to_binary(join(re:split("abcd:fee0:123::","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<":1">> = iolist_to_binary(join(re:split(":1","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<":1">> = iolist_to_binary(join(re:split(":1","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<":1">> = iolist_to_binary(join(re:split(":1","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"1:">> = iolist_to_binary(join(re:split("1:","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,trim]))), 
?line <<"1:">> = iolist_to_binary(join(re:split("1:","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless,{parts,2}]))), 
?line <<"1:">> = iolist_to_binary(join(re:split("1:","^(?!:)                       # colon disallowed at start
  (?:                         # start of item
    (?: [0-9a-f]{1,4} |       # 1-4 hex digits or
    (?(1)0 | () ) )           # if null previously matched, fail; else null
    :                         # followed by colon
  ){1,7}                      # end item; 1-7 of them required               
  [0-9a-f]{1,4} $             # final hex number at end of string
  (?(1)|.)                    # check that there was an empty component
  ",[extended,caseless]))), 
?line <<"">> = iolist_to_binary(join(re:split("z","[z\\Qa-d]\\E]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("z","[z\\Qa-d]\\E]",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("z","[z\\Qa-d]\\E]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","[z\\Qa-d]\\E]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","[z\\Qa-d]\\E]",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","[z\\Qa-d]\\E]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("-","[z\\Qa-d]\\E]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","[z\\Qa-d]\\E]",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","[z\\Qa-d]\\E]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("d","[z\\Qa-d]\\E]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("d","[z\\Qa-d]\\E]",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("d","[z\\Qa-d]\\E]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("]","[z\\Qa-d]\\E]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("]","[z\\Qa-d]\\E]",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("]","[z\\Qa-d]\\E]",[]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","[z\\Qa-d]\\E]",[trim]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","[z\\Qa-d]\\E]",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<"*** F:ilers">> = iolist_to_binary(join(re:split("*** Failers","[z\\Qa-d]\\E]",[]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","[z\\Qa-d]\\E]",[trim]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","[z\\Qa-d]\\E]",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"b">> = iolist_to_binary(join(re:split("b","[z\\Qa-d]\\E]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("z","[\\z\\C]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("z","[\\z\\C]",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("z","[\\z\\C]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("C","[\\z\\C]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("C","[\\z\\C]",[{parts,
                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("C","[\\z\\C]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("M","\\M",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("M","\\M",[{parts,
                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("M","\\M",[]))), 
?line <<"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","(a+)*b",[trim]))), 
?line <<"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","(a+)*b",[{parts,
                                                                                                                                                                                                                                                                                                          2}]))), 
?line <<"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","(a+)*b",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("REGular","(?i)reg(?:ul(?:[aä]|ae)r|ex)",[trim]))),
?line <<":">> = iolist_to_binary(join(re:split("REGular","(?i)reg(?:ul(?:[aä]|ae)r|ex)",[{parts,
                                                                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("REGular","(?i)reg(?:ul(?:[aä]|ae)r|ex)",[]))),
?line <<"">> = iolist_to_binary(join(re:split("regulaer","(?i)reg(?:ul(?:[aä]|ae)r|ex)",[trim]))),
?line <<":">> = iolist_to_binary(join(re:split("regulaer","(?i)reg(?:ul(?:[aä]|ae)r|ex)",[{parts,
                                                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("regulaer","(?i)reg(?:ul(?:[aä]|ae)r|ex)",[]))),
?line <<"">> = iolist_to_binary(join(re:split("Regex","(?i)reg(?:ul(?:[aä]|ae)r|ex)",[trim]))),
?line <<":">> = iolist_to_binary(join(re:split("Regex","(?i)reg(?:ul(?:[aä]|ae)r|ex)",[{parts,
                                                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("Regex","(?i)reg(?:ul(?:[aä]|ae)r|ex)",[]))),
?line <<"">> = iolist_to_binary(join(re:split("regulär","(?i)reg(?:ul(?:[aä]|ae)r|ex)",[trim]))),
?line <<":">> = iolist_to_binary(join(re:split("regulär","(?i)reg(?:ul(?:[aä]|ae)r|ex)",[{parts,
                                                                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("regulär","(?i)reg(?:ul(?:[aä]|ae)r|ex)",[]))),
?line <<"">> = iolist_to_binary(join(re:split("Åæåäà","Åæåä[à-ÿÀ-ß]+",[trim]))),
?line <<":">> = iolist_to_binary(join(re:split("Åæåäà","Åæåä[à-ÿÀ-ß]+",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("Åæåäà","Åæåä[à-ÿÀ-ß]+",[]))),
?line <<"">> = iolist_to_binary(join(re:split("Åæåäÿ","Åæåä[à-ÿÀ-ß]+",[trim]))),
?line <<":">> = iolist_to_binary(join(re:split("Åæåäÿ","Åæåä[à-ÿÀ-ß]+",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("Åæåäÿ","Åæåä[à-ÿÀ-ß]+",[]))),
?line <<"">> = iolist_to_binary(join(re:split("ÅæåäÀ","Åæåä[à-ÿÀ-ß]+",[trim]))),
?line <<":">> = iolist_to_binary(join(re:split("ÅæåäÀ","Åæåä[à-ÿÀ-ß]+",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ÅæåäÀ","Åæåä[à-ÿÀ-ß]+",[]))),
?line <<"">> = iolist_to_binary(join(re:split("Åæåäß","Åæåä[à-ÿÀ-ß]+",[trim]))),
?line <<":">> = iolist_to_binary(join(re:split("Åæåäß","Åæåä[à-ÿÀ-ß]+",[{parts,
                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("Åæåäß","Åæåä[à-ÿÀ-ß]+",[]))),
?line <<"„XAZ">> = iolist_to_binary(join(re:split("„XAZXB","(?<=Z)X.",[trim]))),
?line <<"„XAZ:">> = iolist_to_binary(join(re:split("„XAZXB","(?<=Z)X.",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"„XAZ:">> = iolist_to_binary(join(re:split("„XAZXB","(?<=Z)X.",[]))),
?line <<"">> = iolist_to_binary(join(re:split("ab cd defg","ab cd (?x) de fg",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab cd defg","ab cd (?x) de fg",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab cd defg","ab cd (?x) de fg",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ab cddefg","ab cd(?x) de fg",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab cddefg","ab cd(?x) de fg",[{parts,
                                                                                                                                                                                                  2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("ab cddefg","ab cd(?x) de fg",[]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","ab cd(?x) de fg",[trim]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","ab cd(?x) de fg",[{parts,
                                                                                                                                                                                                    2}]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","ab cd(?x) de fg",[]))), 
?line <<"abcddefg">> = iolist_to_binary(join(re:split("abcddefg","ab cd(?x) de fg",[trim]))), 
?line <<"abcddefg">> = iolist_to_binary(join(re:split("abcddefg","ab cd(?x) de fg",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<"abcddefg">> = iolist_to_binary(join(re:split("abcddefg","ab cd(?x) de fg",[]))), 
?line <<"foo:bar:X">> = iolist_to_binary(join(re:split("foobarX","(?<![^f]oo)(bar)",[trim]))), 
?line <<"foo:bar:X">> = iolist_to_binary(join(re:split("foobarX","(?<![^f]oo)(bar)",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<"foo:bar:X">> = iolist_to_binary(join(re:split("foobarX","(?<![^f]oo)(bar)",[]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?<![^f]oo)(bar)",[trim]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?<![^f]oo)(bar)",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?<![^f]oo)(bar)",[]))), 
?line <<"boobarX">> = iolist_to_binary(join(re:split("boobarX","(?<![^f]oo)(bar)",[trim]))), 
?line <<"boobarX">> = iolist_to_binary(join(re:split("boobarX","(?<![^f]oo)(bar)",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<"boobarX">> = iolist_to_binary(join(re:split("boobarX","(?<![^f]oo)(bar)",[]))), 
?line <<"off">> = iolist_to_binary(join(re:split("offX","(?<![^f])X",[trim]))), 
?line <<"off:">> = iolist_to_binary(join(re:split("offX","(?<![^f])X",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"off:">> = iolist_to_binary(join(re:split("offX","(?<![^f])X",[]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?<![^f])X",[trim]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?<![^f])X",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?<![^f])X",[]))), 
?line <<"onyX">> = iolist_to_binary(join(re:split("onyX","(?<![^f])X",[trim]))), 
?line <<"onyX">> = iolist_to_binary(join(re:split("onyX","(?<![^f])X",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"onyX">> = iolist_to_binary(join(re:split("onyX","(?<![^f])X",[]))), 
?line <<"ony">> = iolist_to_binary(join(re:split("onyX","(?<=[^f])X",[trim]))), 
?line <<"ony:">> = iolist_to_binary(join(re:split("onyX","(?<=[^f])X",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"ony:">> = iolist_to_binary(join(re:split("onyX","(?<=[^f])X",[]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?<=[^f])X",[trim]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?<=[^f])X",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?<=[^f])X",[]))), 
?line <<"offX">> = iolist_to_binary(join(re:split("offX","(?<=[^f])X",[trim]))), 
?line <<"offX">> = iolist_to_binary(join(re:split("offX","(?<=[^f])X",[{parts,
                                                                                                                                                                              2}]))), 
?line <<"offX">> = iolist_to_binary(join(re:split("offX","(?<=[^f])X",[]))), 
?line <<"a
:b
:c">> = iolist_to_binary(join(re:split("a
b
c","^",[multiline,trim]))), 
?line <<"a
:b
c">> = iolist_to_binary(join(re:split("a
b
c","^",[multiline,{parts,2}]))), 
?line <<"a
:b
:c">> = iolist_to_binary(join(re:split("a
b
c","^",[multiline]))), 
?line <<"">> = iolist_to_binary(join(re:split("","^",[multiline,
                                                                                                                                                  trim]))), 
?line <<"">> = iolist_to_binary(join(re:split("","^",[multiline,
                                                                                                                                                    {parts,
                                                                                                                                                     2}]))), 
?line <<"">> = iolist_to_binary(join(re:split("","^",[multiline]))), 
?line <<"A
C
:C">> = iolist_to_binary(join(re:split("A
C
C","(?<=C\\n)^",[multiline,trim]))), 
?line <<"A
C
:C">> = iolist_to_binary(join(re:split("A
C
C","(?<=C\\n)^",[multiline,{parts,2}]))), 
?line <<"A
C
:C">> = iolist_to_binary(join(re:split("A
C
C","(?<=C\\n)^",[multiline]))), 
?line <<":X">> = iolist_to_binary(join(re:split("bXaX","(?:(?(1)a|b)(X))+",[trim]))), 
?line <<":X:">> = iolist_to_binary(join(re:split("bXaX","(?:(?(1)a|b)(X))+",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":X:">> = iolist_to_binary(join(re:split("bXaX","(?:(?(1)a|b)(X))+",[]))), 
?line <<":Y">> = iolist_to_binary(join(re:split("bXXaYYaY","(?:(?(1)\\1a|b)(X|Y))+",[trim]))), 
?line <<":Y:">> = iolist_to_binary(join(re:split("bXXaYYaY","(?:(?(1)\\1a|b)(X|Y))+",[{parts,
                                                                                                                                                                                                               2}]))), 
?line <<":Y:">> = iolist_to_binary(join(re:split("bXXaYYaY","(?:(?(1)\\1a|b)(X|Y))+",[]))), 
?line <<":X:YaXXaX">> = iolist_to_binary(join(re:split("bXYaXXaX","(?:(?(1)\\1a|b)(X|Y))+",[trim]))), 
?line <<":X:YaXXaX">> = iolist_to_binary(join(re:split("bXYaXXaX","(?:(?(1)\\1a|b)(X|Y))+",[{parts,
                                                                                                                                                                                                               2}]))), 
?line <<":X:YaXXaX">> = iolist_to_binary(join(re:split("bXYaXXaX","(?:(?(1)\\1a|b)(X|Y))+",[]))), 
?line <<"::::::::::X:XaYYaY">> = iolist_to_binary(join(re:split("bXXaYYaY","()()()()()()()()()(?:(?(10)\\10a|b)(X|Y))+",[trim]))), 
?line <<"::::::::::X:XaYYaY">> = iolist_to_binary(join(re:split("bXXaYYaY","()()()()()()()()()(?:(?(10)\\10a|b)(X|Y))+",[{parts,
                                                                                                                                                                                                                                                       2}]))), 
?line <<"::::::::::X:XaYYaY">> = iolist_to_binary(join(re:split("bXXaYYaY","()()()()()()()()()(?:(?(10)\\10a|b)(X|Y))+",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc]","[[,abc,]+]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc]","[[,abc,]+]",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc]","[[,abc,]+]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a,b]","[[,abc,]+]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a,b]","[[,abc,]+]",[{parts,
                                                                                                                                                                              2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a,b]","[[,abc,]+]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("[a,b,c]","[[,abc,]+]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("[a,b,c]","[[,abc,]+]",[{parts,
                                                                                                                                                                                    2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("[a,b,c]","[[,abc,]+]",[]))), 
?line <<"A:B">> = iolist_to_binary(join(re:split("A B","(?-x: )",[extended,
                                                                                                                                                                    trim]))), 
?line <<"A:B">> = iolist_to_binary(join(re:split("A B","(?-x: )",[extended,
                                                                                                                                                                      {parts,
                                                                                                                                                                       2}]))), 
?line <<"A:B">> = iolist_to_binary(join(re:split("A B","(?-x: )",[extended]))), 
?line <<"A:B">> = iolist_to_binary(join(re:split("A # B","(?x)(?-x: \\s*#\\s*)",[trim]))), 
?line <<"A:B">> = iolist_to_binary(join(re:split("A # B","(?x)(?-x: \\s*#\\s*)",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<"A:B">> = iolist_to_binary(join(re:split("A # B","(?x)(?-x: \\s*#\\s*)",[]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?x)(?-x: \\s*#\\s*)",[trim]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?x)(?-x: \\s*#\\s*)",[{parts,
                                                                                                                                                                                                                2}]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?x)(?-x: \\s*#\\s*)",[]))), 
?line <<"#">> = iolist_to_binary(join(re:split("#","(?x)(?-x: \\s*#\\s*)",[trim]))), 
?line <<"#">> = iolist_to_binary(join(re:split("#","(?x)(?-x: \\s*#\\s*)",[{parts,
                                                                                                                                                                                              2}]))), 
?line <<"#">> = iolist_to_binary(join(re:split("#","(?x)(?-x: \\s*#\\s*)",[]))), 
?line <<"A">> = iolist_to_binary(join(re:split("A #include","(?x-is)(?:(?-ixs) \\s*#\\s*) include",[trim]))), 
?line <<"A:">> = iolist_to_binary(join(re:split("A #include","(?x-is)(?:(?-ixs) \\s*#\\s*) include",[{parts,
                                                                                                                                                                                                                                                2}]))), 
?line <<"A:">> = iolist_to_binary(join(re:split("A #include","(?x-is)(?:(?-ixs) \\s*#\\s*) include",[]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?x-is)(?:(?-ixs) \\s*#\\s*) include",[trim]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?x-is)(?:(?-ixs) \\s*#\\s*) include",[{parts,
                                                                                                                                                                                                                                                2}]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","(?x-is)(?:(?-ixs) \\s*#\\s*) include",[]))), 
?line <<"A#include">> = iolist_to_binary(join(re:split("A#include","(?x-is)(?:(?-ixs) \\s*#\\s*) include",[trim]))), 
?line <<"A#include">> = iolist_to_binary(join(re:split("A#include","(?x-is)(?:(?-ixs) \\s*#\\s*) include",[{parts,
                                                                                                                                                                                                                                              2}]))), 
?line <<"A#include">> = iolist_to_binary(join(re:split("A#include","(?x-is)(?:(?-ixs) \\s*#\\s*) include",[]))), 
?line <<"A #Include">> = iolist_to_binary(join(re:split("A #Include","(?x-is)(?:(?-ixs) \\s*#\\s*) include",[trim]))), 
?line <<"A #Include">> = iolist_to_binary(join(re:split("A #Include","(?x-is)(?:(?-ixs) \\s*#\\s*) include",[{parts,
                                                                                                                                                                                                                                                2}]))), 
?line <<"A #Include">> = iolist_to_binary(join(re:split("A #Include","(?x-is)(?:(?-ixs) \\s*#\\s*) include",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabbbb","a*b*\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabbbb","a*b*\\w",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabbbb","a*b*\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaa","a*b*\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","a*b*\\w",[{parts,
                                                                                                                                                                         2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","a*b*\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","a*b*\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*b*\\w",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*b*\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabbbb","a*b?\\w",[trim]))), 
?line <<":bb">> = iolist_to_binary(join(re:split("aaabbbb","a*b?\\w",[{parts,
                                                                                                                                                                               2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("aaabbbb","a*b?\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaa","a*b?\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","a*b?\\w",[{parts,
                                                                                                                                                                         2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","a*b?\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","a*b?\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*b?\\w",[{parts,
                                                                                                                                                                   2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*b?\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabbbb","a*b{0,4}\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabbbb","a*b{0,4}\\w",[{parts,
                                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabbbb","a*b{0,4}\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaa","a*b{0,4}\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","a*b{0,4}\\w",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","a*b{0,4}\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","a*b{0,4}\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*b{0,4}\\w",[{parts,
                                                                                                                                                                           2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*b{0,4}\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaabbbb","a*b{0,}\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabbbb","a*b{0,}\\w",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaabbbb","a*b{0,}\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaa","a*b{0,}\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","a*b{0,}\\w",[{parts,
                                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","a*b{0,}\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","a*b{0,}\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*b{0,}\\w",[{parts,
                                                                                                                                                                         2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*b{0,}\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("0a","a*\\d*\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("0a","a*\\d*\\w",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("0a","a*\\d*\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","a*\\d*\\w",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*\\d*\\w",[{parts,
                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*\\d*\\w",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","a*b *\\w",[extended,
                                                                                                                                                                   trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*b *\\w",[extended,
                                                                                                                                                                     {parts,
                                                                                                                                                                      2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*b *\\w",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","a*b#comment
  *\\w",[extended,trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*b#comment
  *\\w",[extended,{parts,2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a*b#comment
  *\\w",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","a* b *\\w",[extended,
                                                                                                                                                                     trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a* b *\\w",[extended,
                                                                                                                                                                       {parts,
                                                                                                                                                                        2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","a* b *\\w",[extended]))), 
?line <<"::
pqr">> = iolist_to_binary(join(re:split("abc=xyz\\
pqr","^\\w+=.*(\\\\\\n.*)*",[trim]))), 
?line <<"::
pqr">> = iolist_to_binary(join(re:split("abc=xyz\\
pqr","^\\w+=.*(\\\\\\n.*)*",[{parts,2}]))), 
?line <<"::
pqr">> = iolist_to_binary(join(re:split("abc=xyz\\
pqr","^\\w+=.*(\\\\\\n.*)*",[]))), 
?line <<":abcd">> = iolist_to_binary(join(re:split("abcd:","(?=(\\w+))\\1:",[trim]))), 
?line <<":abcd:">> = iolist_to_binary(join(re:split("abcd:","(?=(\\w+))\\1:",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":abcd:">> = iolist_to_binary(join(re:split("abcd:","(?=(\\w+))\\1:",[]))), 
?line <<":abcd">> = iolist_to_binary(join(re:split("abcd:","^(?=(\\w+))\\1:",[trim]))), 
?line <<":abcd:">> = iolist_to_binary(join(re:split("abcd:","^(?=(\\w+))\\1:",[{parts,
                                                                                                                                                                                            2}]))), 
?line <<":abcd:">> = iolist_to_binary(join(re:split("abcd:","^(?=(\\w+))\\1:",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","^\\Eabc",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^\\Eabc",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^\\Eabc",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","^[\\Eabc]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","^[\\Eabc]",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","^[\\Eabc]",[]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","^[\\Eabc]",[trim]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","^[\\Eabc]",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","^[\\Eabc]",[]))), 
?line <<"E">> = iolist_to_binary(join(re:split("E","^[\\Eabc]",[trim]))), 
?line <<"E">> = iolist_to_binary(join(re:split("E","^[\\Eabc]",[{parts,
                                                                                                                                                                       2}]))), 
?line <<"E">> = iolist_to_binary(join(re:split("E","^[\\Eabc]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","^[a-\\Ec]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("b","^[a-\\Ec]",[{parts,
                                                                                                                                                                       2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("b","^[a-\\Ec]",[]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","^[a-\\Ec]",[trim]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","^[a-\\Ec]",[{parts,
                                                                                                                                                                                         2}]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","^[a-\\Ec]",[]))), 
?line <<"-">> = iolist_to_binary(join(re:split("-","^[a-\\Ec]",[trim]))), 
?line <<"-">> = iolist_to_binary(join(re:split("-","^[a-\\Ec]",[{parts,
                                                                                                                                                                       2}]))), 
?line <<"-">> = iolist_to_binary(join(re:split("-","^[a-\\Ec]",[]))), 
?line <<"E">> = iolist_to_binary(join(re:split("E","^[a-\\Ec]",[trim]))), 
?line <<"E">> = iolist_to_binary(join(re:split("E","^[a-\\Ec]",[{parts,
                                                                                                                                                                       2}]))), 
?line <<"E">> = iolist_to_binary(join(re:split("E","^[a-\\Ec]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","^[a\\E\\E-\\Ec]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("b","^[a\\E\\E-\\Ec]",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("b","^[a\\E\\E-\\Ec]",[]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","^[a\\E\\E-\\Ec]",[trim]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","^[a\\E\\E-\\Ec]",[{parts,
                                                                                                                                                                                                       2}]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","^[a\\E\\E-\\Ec]",[]))), 
?line <<"-">> = iolist_to_binary(join(re:split("-","^[a\\E\\E-\\Ec]",[trim]))), 
?line <<"-">> = iolist_to_binary(join(re:split("-","^[a\\E\\E-\\Ec]",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<"-">> = iolist_to_binary(join(re:split("-","^[a\\E\\E-\\Ec]",[]))), 
?line <<"E">> = iolist_to_binary(join(re:split("E","^[a\\E\\E-\\Ec]",[trim]))), 
?line <<"E">> = iolist_to_binary(join(re:split("E","^[a\\E\\E-\\Ec]",[{parts,
                                                                                                                                                                                     2}]))), 
?line <<"E">> = iolist_to_binary(join(re:split("E","^[a\\E\\E-\\Ec]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("b","^[\\E\\Qa\\E-\\Qz\\E]+",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("b","^[\\E\\Qa\\E-\\Qz\\E]+",[{parts,
                                                                                                                                                                                                     2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("b","^[\\E\\Qa\\E-\\Qz\\E]+",[]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","^[\\E\\Qa\\E-\\Qz\\E]+",[trim]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","^[\\E\\Qa\\E-\\Qz\\E]+",[{parts,
                                                                                                                                                                                                                       2}]))), 
?line <<"** Failers">> = iolist_to_binary(join(re:split("** Failers","^[\\E\\Qa\\E-\\Qz\\E]+",[]))), 
?line <<"-">> = iolist_to_binary(join(re:split("-","^[\\E\\Qa\\E-\\Qz\\E]+",[trim]))), 
?line <<"-">> = iolist_to_binary(join(re:split("-","^[\\E\\Qa\\E-\\Qz\\E]+",[{parts,
                                                                                                                                                                                                     2}]))), 
?line <<"-">> = iolist_to_binary(join(re:split("-","^[\\E\\Qa\\E-\\Qz\\E]+",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","^[a\\Q]bc\\E]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","^[a\\Q]bc\\E]",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","^[a\\Q]bc\\E]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("]","^[a\\Q]bc\\E]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("]","^[a\\Q]bc\\E]",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("]","^[a\\Q]bc\\E]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("c","^[a\\Q]bc\\E]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("c","^[a\\Q]bc\\E]",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("c","^[a\\Q]bc\\E]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","^[a-\\Q\\E]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","^[a-\\Q\\E]",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","^[a-\\Q\\E]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("-","^[a-\\Q\\E]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","^[a-\\Q\\E]",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("-","^[a-\\Q\\E]",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaa","^(a()*)*",[trim]))), 
?line <<":a::">> = iolist_to_binary(join(re:split("aaaa","^(a()*)*",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a::">> = iolist_to_binary(join(re:split("aaaa","^(a()*)*",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaa","^(?:a(?:(?:))*)*",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","^(?:a(?:(?:))*)*",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","^(?:a(?:(?:))*)*",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("aaaa","^(a()+)+",[trim]))), 
?line <<":a::">> = iolist_to_binary(join(re:split("aaaa","^(a()+)+",[{parts,
                                                                                                                                                                          2}]))), 
?line <<":a::">> = iolist_to_binary(join(re:split("aaaa","^(a()+)+",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaa","^(?:a(?:(?:))+)+",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","^(?:a(?:(?:))+)+",[{parts,
                                                                                                                                                                                          2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaa","^(?:a(?:(?:))+)+",[]))), 
?line <<":a">> = iolist_to_binary(join(re:split("abbD","(a){0,3}(?(1)b|(c|))*D",[trim]))), 
?line <<":a::">> = iolist_to_binary(join(re:split("abbD","(a){0,3}(?(1)b|(c|))*D",[{parts,
                                                                                                                                                                                                      2}]))), 
?line <<":a::">> = iolist_to_binary(join(re:split("abbD","(a){0,3}(?(1)b|(c|))*D",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("ccccD","(a){0,3}(?(1)b|(c|))*D",[trim]))), 
?line <<":::">> = iolist_to_binary(join(re:split("ccccD","(a){0,3}(?(1)b|(c|))*D",[{parts,
                                                                                                                                                                                                        2}]))), 
?line <<":::">> = iolist_to_binary(join(re:split("ccccD","(a){0,3}(?(1)b|(c|))*D",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("D","(a){0,3}(?(1)b|(c|))*D",[trim]))), 
?line <<":::">> = iolist_to_binary(join(re:split("D","(a){0,3}(?(1)b|(c|))*D",[{parts,
                                                                                                                                                                                                2}]))), 
?line <<":::">> = iolist_to_binary(join(re:split("D","(a){0,3}(?(1)b|(c|))*D",[]))), 
?line <<"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","(a|)*\\d",[trim]))), 
?line <<"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","(a|)*\\d",[{parts,
                                                                                                                                                                                                                                                                                           2}]))), 
?line <<"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","(a|)*\\d",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4","(a|)*\\d",[trim]))), 
?line <<"::">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4","(a|)*\\d",[{parts,
                                                                                                                                                                                                                                                                                             2}]))), 
?line <<"::">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4","(a|)*\\d",[]))), 
?line <<"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","(?>a|)*\\d",[trim]))), 
?line <<"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","(?>a|)*\\d",[{parts,
                                                                                                                                                                                                                                                                                               2}]))), 
?line <<"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","(?>a|)*\\d",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4","(?>a|)*\\d",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4","(?>a|)*\\d",[{parts,
                                                                                                                                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4","(?>a|)*\\d",[]))), 
?line <<"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","(?:a|)*\\d",[trim]))), 
?line <<"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","(?:a|)*\\d",[{parts,
                                                                                                                                                                                                                                                                                               2}]))), 
?line <<"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","(?:a|)*\\d",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4","(?:a|)*\\d",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4","(?:a|)*\\d",[{parts,
                                                                                                                                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4","(?:a|)*\\d",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","\\Z",[trim]))), 
?line <<"abc:">> = iolist_to_binary(join(re:split("abc","\\Z",[{parts,
                                                                                                                                                               2}]))), 
?line <<"abc:">> = iolist_to_binary(join(re:split("abc","\\Z",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","^(?s)(?>.*)(?<!\\n)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^(?s)(?>.*)(?<!\\n)",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^(?s)(?>.*)(?<!\\n)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abc","^(?s)(?>.*)(?<!\\n)",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^(?s)(?>.*)(?<!\\n)",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("abc","^(?s)(?>.*)(?<!\\n)",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^(?![^\\n]*\\n\\z)",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^(?![^\\n]*\\n\\z)",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^(?![^\\n]*\\n\\z)",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^(?![^\\n]*\\n\\z)",[trim]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^(?![^\\n]*\\n\\z)",[{parts,
                                                                                                                                                                                               2}]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","^(?![^\\n]*\\n\\z)",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","\\z(?<!\\n)",[trim]))), 
?line <<"abc:">> = iolist_to_binary(join(re:split("abc","\\z(?<!\\n)",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"abc:">> = iolist_to_binary(join(re:split("abc","\\z(?<!\\n)",[]))), 
?line <<"abc">> = iolist_to_binary(join(re:split("abc","\\z(?<!\\n)",[trim]))), 
?line <<"abc:">> = iolist_to_binary(join(re:split("abc","\\z(?<!\\n)",[{parts,
                                                                                                                                                                                2}]))), 
?line <<"abc:">> = iolist_to_binary(join(re:split("abc","\\z(?<!\\n)",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("abcd","(.*(.)?)*",[trim]))), 
?line <<":::">> = iolist_to_binary(join(re:split("abcd","(.*(.)?)*",[{parts,
                                                                                                                                                                            2}]))), 
?line <<":::">> = iolist_to_binary(join(re:split("abcd","(.*(.)?)*",[]))), 
?line <<"a:::b:::c:::d">> = iolist_to_binary(join(re:split("abcd","( (A | (?(1)0|) )*   )",[extended,
                                                                                                                                                                                                    trim]))), 
?line <<"a:::bcd">> = iolist_to_binary(join(re:split("abcd","( (A | (?(1)0|) )*   )",[extended,
                                                                                                                                                                                                      {parts,
                                                                                                                                                                                                       2}]))), 
?line <<"a:::b:::c:::d:::">> = iolist_to_binary(join(re:split("abcd","( (A | (?(1)0|) )*   )",[extended]))), 
?line <<"a:::b:::c:::d">> = iolist_to_binary(join(re:split("abcd","( ( (?(1)0|) )*   )",[extended,
                                                                                                                                                                                              trim]))), 
?line <<"a:::bcd">> = iolist_to_binary(join(re:split("abcd","( ( (?(1)0|) )*   )",[extended,
                                                                                                                                                                                                {parts,
                                                                                                                                                                                                 2}]))), 
?line <<"a:::b:::c:::d:::">> = iolist_to_binary(join(re:split("abcd","( ( (?(1)0|) )*   )",[extended]))), 
?line <<"a::b::c::d">> = iolist_to_binary(join(re:split("abcd","(  (?(1)0|)*   )",[extended,
                                                                                                                                                                                        trim]))), 
?line <<"a::bcd">> = iolist_to_binary(join(re:split("abcd","(  (?(1)0|)*   )",[extended,
                                                                                                                                                                                          {parts,
                                                                                                                                                                                           2}]))), 
?line <<"a::b::c::d::">> = iolist_to_binary(join(re:split("abcd","(  (?(1)0|)*   )",[extended]))), 
?line <<"">> = iolist_to_binary(join(re:split("a]","[[:abcd:xyz]]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a]","[[:abcd:xyz]]",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a]","[[:abcd:xyz]]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split(":]","[[:abcd:xyz]]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split(":]","[[:abcd:xyz]]",[{parts,
                                                                                                                                                                                2}]))), 
?line <<":">> = iolist_to_binary(join(re:split(":]","[[:abcd:xyz]]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("a","[abc[:x\\]pqr]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","[abc[:x\\]pqr]",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("a","[abc[:x\\]pqr]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("[","[abc[:x\\]pqr]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("[","[abc[:x\\]pqr]",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("[","[abc[:x\\]pqr]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split(":","[abc[:x\\]pqr]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split(":","[abc[:x\\]pqr]",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split(":","[abc[:x\\]pqr]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("]","[abc[:x\\]pqr]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("]","[abc[:x\\]pqr]",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("]","[abc[:x\\]pqr]",[]))), 
?line <<"">> = iolist_to_binary(join(re:split("p","[abc[:x\\]pqr]",[trim]))), 
?line <<":">> = iolist_to_binary(join(re:split("p","[abc[:x\\]pqr]",[{parts,
                                                                                                                                                                                 2}]))), 
?line <<":">> = iolist_to_binary(join(re:split("p","[abc[:x\\]pqr]",[]))), 
ok.