aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stdlib/test
diff options
context:
space:
mode:
authorVance Shipley <[email protected]>2012-04-04 18:17:33 +0530
committerHenrik Nord <[email protected]>2012-07-10 14:58:54 +0200
commit264e667b86381528131c45c9b6e8f54ad168c73f (patch)
tree9e13064162e668b38ffc867de62350e92336e93a /lib/stdlib/test
parentc075ac6484e3d5a93a0d870ab4483d39ae26eaec (diff)
downloadotp-264e667b86381528131c45c9b6e8f54ad168c73f.tar.gz
otp-264e667b86381528131c45c9b6e8f54ad168c73f.tar.bz2
otp-264e667b86381528131c45c9b6e8f54ad168c73f.zip
extend re back reference syntax with \g escape sequence
Add the \gN and \g{N} syntax for back references in re:replace/3,4 to allow use with numeric replacement strings.
Diffstat (limited to 'lib/stdlib/test')
-rw-r--r--lib/stdlib/test/re_SUITE.erl6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/stdlib/test/re_SUITE.erl b/lib/stdlib/test/re_SUITE.erl
index a542745e67..8ee0a13f4c 100644
--- a/lib/stdlib/test/re_SUITE.erl
+++ b/lib/stdlib/test/re_SUITE.erl
@@ -328,6 +328,12 @@ replace_return(Config) when is_list(Config) ->
?line <<"iXk">> = re:replace("abcdefghijk","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\9X",[{return,binary}]),
?line <<"jXk">> = re:replace("abcdefghijk","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\10X",[{return,binary}]),
?line <<"Xk">> = re:replace("abcdefghijk","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\11X",[{return,binary}]),
+ ?line <<"9X1">> = re:replace("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g9X",[{return,binary}]),
+ ?line <<"0X1">> = re:replace("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g10X",[{return,binary}]),
+ ?line <<"X1">> = re:replace("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g11X",[{return,binary}]),
+ ?line <<"971">> = re:replace("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g{9}7",[{return,binary}]),
+ ?line <<"071">> = re:replace("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g{10}7",[{return,binary}]),
+ ?line <<"71">> = re:replace("12345678901","(.)(.)(.)(.)(.)(.)(.)(.)(.)(.)","\\g{11}7",[{return,binary}]),
?line "a\x{400}bcX" = re:replace("a\x{400}bcd","d","X",[global,{return,list},unicode]),
?line <<"a",208,128,"bcX">> = re:replace("a\x{400}bcd","d","X",[global,{return,binary},unicode]),
?line "a\x{400}bcd" = re:replace("a\x{400}bcd","Z","X",[global,{return,list},unicode]),