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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/stdlib/test/re_SUITE_data
downloadotp-84adefa331c4159d432d22840663c38f155cd4c1.tar.gz
otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.bz2
otp-84adefa331c4159d432d22840663c38f155cd4c1.zip
The R13B03 release.OTP_R13B03
Diffstat (limited to 'lib/stdlib/test/re_SUITE_data')
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput16608
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput10669
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput29388
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput3163
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput41074
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput51611
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput61682
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput77215
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput81287
-rw-r--r--lib/stdlib/test/re_SUITE_data/testoutput91643
10 files changed, 31340 insertions, 0 deletions
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput1 b/lib/stdlib/test/re_SUITE_data/testoutput1
new file mode 100644
index 0000000000..3bf4ffbeee
--- /dev/null
+++ b/lib/stdlib/test/re_SUITE_data/testoutput1
@@ -0,0 +1,6608 @@
+/the quick brown fox/
+ the quick brown fox
+ 0: the quick brown fox
+ The quick brown FOX
+No match
+ What do you know about the quick brown fox?
+ 0: the quick brown fox
+ What do you know about THE QUICK BROWN FOX?
+No match
+
+/The quick brown fox/i
+ the quick brown fox
+ 0: the quick brown fox
+ The quick brown FOX
+ 0: The quick brown FOX
+ What do you know about the quick brown fox?
+ 0: the quick brown fox
+ What do you know about THE QUICK BROWN FOX?
+ 0: THE QUICK BROWN FOX
+
+/abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/
+ abcd\t\n\r\f\a\e9;\$\\?caxyz
+ 0: abcd\x09\x0a\x0d\x0c\x07\x1b9;$\?caxyz
+
+/a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/
+ abxyzpqrrrabbxyyyypqAzz
+ 0: abxyzpqrrrabbxyyyypqAzz
+ abxyzpqrrrabbxyyyypqAzz
+ 0: abxyzpqrrrabbxyyyypqAzz
+ aabxyzpqrrrabbxyyyypqAzz
+ 0: aabxyzpqrrrabbxyyyypqAzz
+ aaabxyzpqrrrabbxyyyypqAzz
+ 0: aaabxyzpqrrrabbxyyyypqAzz
+ aaaabxyzpqrrrabbxyyyypqAzz
+ 0: aaaabxyzpqrrrabbxyyyypqAzz
+ abcxyzpqrrrabbxyyyypqAzz
+ 0: abcxyzpqrrrabbxyyyypqAzz
+ aabcxyzpqrrrabbxyyyypqAzz
+ 0: aabcxyzpqrrrabbxyyyypqAzz
+ aaabcxyzpqrrrabbxyyyypAzz
+ 0: aaabcxyzpqrrrabbxyyyypAzz
+ aaabcxyzpqrrrabbxyyyypqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqAzz
+ aaabcxyzpqrrrabbxyyyypqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqqqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqqqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqqqqqAzz
+ aaaabcxyzpqrrrabbxyyyypqAzz
+ 0: aaaabcxyzpqrrrabbxyyyypqAzz
+ abxyzzpqrrrabbxyyyypqAzz
+ 0: abxyzzpqrrrabbxyyyypqAzz
+ aabxyzzzpqrrrabbxyyyypqAzz
+ 0: aabxyzzzpqrrrabbxyyyypqAzz
+ aaabxyzzzzpqrrrabbxyyyypqAzz
+ 0: aaabxyzzzzpqrrrabbxyyyypqAzz
+ aaaabxyzzzzpqrrrabbxyyyypqAzz
+ 0: aaaabxyzzzzpqrrrabbxyyyypqAzz
+ abcxyzzpqrrrabbxyyyypqAzz
+ 0: abcxyzzpqrrrabbxyyyypqAzz
+ aabcxyzzzpqrrrabbxyyyypqAzz
+ 0: aabcxyzzzpqrrrabbxyyyypqAzz
+ aaabcxyzzzzpqrrrabbxyyyypqAzz
+ 0: aaabcxyzzzzpqrrrabbxyyyypqAzz
+ aaaabcxyzzzzpqrrrabbxyyyypqAzz
+ 0: aaaabcxyzzzzpqrrrabbxyyyypqAzz
+ aaaabcxyzzzzpqrrrabbbxyyyypqAzz
+ 0: aaaabcxyzzzzpqrrrabbbxyyyypqAzz
+ aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
+ 0: aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
+ aaabcxyzpqrrrabbxyyyypABzz
+ 0: aaabcxyzpqrrrabbxyyyypABzz
+ aaabcxyzpqrrrabbxyyyypABBzz
+ 0: aaabcxyzpqrrrabbxyyyypABBzz
+ >>>aaabxyzpqrrrabbxyyyypqAzz
+ 0: aaabxyzpqrrrabbxyyyypqAzz
+ >aaaabxyzpqrrrabbxyyyypqAzz
+ 0: aaaabxyzpqrrrabbxyyyypqAzz
+ >>>>abcxyzpqrrrabbxyyyypqAzz
+ 0: abcxyzpqrrrabbxyyyypqAzz
+ *** Failers
+No match
+ abxyzpqrrabbxyyyypqAzz
+No match
+ abxyzpqrrrrabbxyyyypqAzz
+No match
+ abxyzpqrrrabxyyyypqAzz
+No match
+ aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz
+No match
+ aaaabcxyzzzzpqrrrabbbxyyypqAzz
+No match
+ aaabcxyzpqrrrabbxyyyypqqqqqqqAzz
+No match
+
+/^(abc){1,2}zz/
+ abczz
+ 0: abczz
+ 1: abc
+ abcabczz
+ 0: abcabczz
+ 1: abc
+ *** Failers
+No match
+ zz
+No match
+ abcabcabczz
+No match
+ >>abczz
+No match
+
+/^(b+?|a){1,2}?c/
+ bc
+ 0: bc
+ 1: b
+ bbc
+ 0: bbc
+ 1: b
+ bbbc
+ 0: bbbc
+ 1: bb
+ bac
+ 0: bac
+ 1: a
+ bbac
+ 0: bbac
+ 1: a
+ aac
+ 0: aac
+ 1: a
+ abbbbbbbbbbbc
+ 0: abbbbbbbbbbbc
+ 1: bbbbbbbbbbb
+ bbbbbbbbbbbac
+ 0: bbbbbbbbbbbac
+ 1: a
+ *** Failers
+No match
+ aaac
+No match
+ abbbbbbbbbbbac
+No match
+
+/^(b+|a){1,2}c/
+ bc
+ 0: bc
+ 1: b
+ bbc
+ 0: bbc
+ 1: bb
+ bbbc
+ 0: bbbc
+ 1: bbb
+ bac
+ 0: bac
+ 1: a
+ bbac
+ 0: bbac
+ 1: a
+ aac
+ 0: aac
+ 1: a
+ abbbbbbbbbbbc
+ 0: abbbbbbbbbbbc
+ 1: bbbbbbbbbbb
+ bbbbbbbbbbbac
+ 0: bbbbbbbbbbbac
+ 1: a
+ *** Failers
+No match
+ aaac
+No match
+ abbbbbbbbbbbac
+No match
+
+/^(b+|a){1,2}?bc/
+ bbc
+ 0: bbc
+ 1: b
+
+/^(b*|ba){1,2}?bc/
+ babc
+ 0: babc
+ 1: ba
+ bbabc
+ 0: bbabc
+ 1: ba
+ bababc
+ 0: bababc
+ 1: ba
+ *** Failers
+No match
+ bababbc
+No match
+ babababc
+No match
+
+/^(ba|b*){1,2}?bc/
+ babc
+ 0: babc
+ 1: ba
+ bbabc
+ 0: bbabc
+ 1: ba
+ bababc
+ 0: bababc
+ 1: ba
+ *** Failers
+No match
+ bababbc
+No match
+ babababc
+No match
+
+/^\ca\cA\c[\c{\c:/
+ \x01\x01\e;z
+ 0: \x01\x01\x1b;z
+
+/^[ab\]cde]/
+ athing
+ 0: a
+ bthing
+ 0: b
+ ]thing
+ 0: ]
+ cthing
+ 0: c
+ dthing
+ 0: d
+ ething
+ 0: e
+ *** Failers
+No match
+ fthing
+No match
+ [thing
+No match
+ \\thing
+No match
+
+/^[]cde]/
+ ]thing
+ 0: ]
+ cthing
+ 0: c
+ dthing
+ 0: d
+ ething
+ 0: e
+ *** Failers
+No match
+ athing
+No match
+ fthing
+No match
+
+/^[^ab\]cde]/
+ fthing
+ 0: f
+ [thing
+ 0: [
+ \\thing
+ 0: \
+ *** Failers
+ 0: *
+ athing
+No match
+ bthing
+No match
+ ]thing
+No match
+ cthing
+No match
+ dthing
+No match
+ ething
+No match
+
+/^[^]cde]/
+ athing
+ 0: a
+ fthing
+ 0: f
+ *** Failers
+ 0: *
+ ]thing
+No match
+ cthing
+No match
+ dthing
+No match
+ ething
+No match
+
+/^\�/
+ �
+ 0: \x81
+
+/^�/
+ �
+ 0: \xff
+
+/^[0-9]+$/
+ 0
+ 0: 0
+ 1
+ 0: 1
+ 2
+ 0: 2
+ 3
+ 0: 3
+ 4
+ 0: 4
+ 5
+ 0: 5
+ 6
+ 0: 6
+ 7
+ 0: 7
+ 8
+ 0: 8
+ 9
+ 0: 9
+ 10
+ 0: 10
+ 100
+ 0: 100
+ *** Failers
+No match
+ abc
+No match
+
+/^.*nter/
+ enter
+ 0: enter
+ inter
+ 0: inter
+ uponter
+ 0: uponter
+
+/^xxx[0-9]+$/
+ xxx0
+ 0: xxx0
+ xxx1234
+ 0: xxx1234
+ *** Failers
+No match
+ xxx
+No match
+
+/^.+[0-9][0-9][0-9]$/
+ x123
+ 0: x123
+ xx123
+ 0: xx123
+ 123456
+ 0: 123456
+ *** Failers
+No match
+ 123
+No match
+ x1234
+ 0: x1234
+
+/^.+?[0-9][0-9][0-9]$/
+ x123
+ 0: x123
+ xx123
+ 0: xx123
+ 123456
+ 0: 123456
+ *** Failers
+No match
+ 123
+No match
+ x1234
+ 0: x1234
+
+/^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/
+ abc!pqr=apquxz.ixr.zzz.ac.uk
+ 0: abc!pqr=apquxz.ixr.zzz.ac.uk
+ 1: abc
+ 2: pqr
+ *** Failers
+No match
+ !pqr=apquxz.ixr.zzz.ac.uk
+No match
+ abc!=apquxz.ixr.zzz.ac.uk
+No match
+ abc!pqr=apquxz:ixr.zzz.ac.uk
+No match
+ abc!pqr=apquxz.ixr.zzz.ac.ukk
+No match
+
+/:/
+ Well, we need a colon: somewhere
+ 0: :
+ *** Fail if we don't
+No match
+
+/([\da-f:]+)$/i
+ 0abc
+ 0: 0abc
+ 1: 0abc
+ abc
+ 0: abc
+ 1: abc
+ fed
+ 0: fed
+ 1: fed
+ E
+ 0: E
+ 1: E
+ ::
+ 0: ::
+ 1: ::
+ 5f03:12C0::932e
+ 0: 5f03:12C0::932e
+ 1: 5f03:12C0::932e
+ fed def
+ 0: def
+ 1: def
+ Any old stuff
+ 0: ff
+ 1: ff
+ *** Failers
+No match
+ 0zzz
+No match
+ gzzz
+No match
+ fed\x20
+No match
+ Any old rubbish
+No match
+
+/^.*\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/
+ .1.2.3
+ 0: .1.2.3
+ 1: 1
+ 2: 2
+ 3: 3
+ A.12.123.0
+ 0: A.12.123.0
+ 1: 12
+ 2: 123
+ 3: 0
+ *** Failers
+No match
+ .1.2.3333
+No match
+ 1.2.3
+No match
+ 1234.2.3
+No match
+
+/^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/
+ 1 IN SOA non-sp1 non-sp2(
+ 0: 1 IN SOA non-sp1 non-sp2(
+ 1: 1
+ 2: non-sp1
+ 3: non-sp2
+ 1 IN SOA non-sp1 non-sp2 (
+ 0: 1 IN SOA non-sp1 non-sp2 (
+ 1: 1
+ 2: non-sp1
+ 3: non-sp2
+ *** Failers
+No match
+ 1IN SOA non-sp1 non-sp2(
+No match
+
+/^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/
+ a.
+ 0: a.
+ Z.
+ 0: Z.
+ 2.
+ 0: 2.
+ ab-c.pq-r.
+ 0: ab-c.pq-r.
+ 1: .pq-r
+ sxk.zzz.ac.uk.
+ 0: sxk.zzz.ac.uk.
+ 1: .uk
+ x-.y-.
+ 0: x-.y-.
+ 1: .y-
+ *** Failers
+No match
+ -abc.peq.
+No match
+
+/^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/
+ *.a
+ 0: *.a
+ *.b0-a
+ 0: *.b0-a
+ 1: 0-a
+ *.c3-b.c
+ 0: *.c3-b.c
+ 1: 3-b
+ 2: .c
+ *.c-a.b-c
+ 0: *.c-a.b-c
+ 1: -a
+ 2: .b-c
+ 3: -c
+ *** Failers
+No match
+ *.0
+No match
+ *.a-
+No match
+ *.a-b.c-
+No match
+ *.c-a.0-c
+No match
+
+/^(?=ab(de))(abd)(e)/
+ abde
+ 0: abde
+ 1: de
+ 2: abd
+ 3: e
+
+/^(?!(ab)de|x)(abd)(f)/
+ abdf
+ 0: abdf
+ 1: <unset>
+ 2: abd
+ 3: f
+
+/^(?=(ab(cd)))(ab)/
+ abcd
+ 0: ab
+ 1: abcd
+ 2: cd
+ 3: ab
+
+/^[\da-f](\.[\da-f])*$/i
+ a.b.c.d
+ 0: a.b.c.d
+ 1: .d
+ A.B.C.D
+ 0: A.B.C.D
+ 1: .D
+ a.b.c.1.2.3.C
+ 0: a.b.c.1.2.3.C
+ 1: .C
+
+/^\".*\"\s*(;.*)?$/
+ \"1234\"
+ 0: "1234"
+ \"abcd\" ;
+ 0: "abcd" ;
+ 1: ;
+ \"\" ; rhubarb
+ 0: "" ; rhubarb
+ 1: ; rhubarb
+ *** Failers
+No match
+ \"1234\" : things
+No match
+
+/^$/
+ \
+ 0:
+ *** Failers
+No match
+
+/ ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/x
+ ab c
+ 0: ab c
+ *** Failers
+No match
+ abc
+No match
+ ab cde
+No match
+
+/(?x) ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/
+ ab c
+ 0: ab c
+ *** Failers
+No match
+ abc
+No match
+ ab cde
+No match
+
+/^ a\ b[c ]d $/x
+ a bcd
+ 0: a bcd
+ a b d
+ 0: a b d
+ *** Failers
+No match
+ abcd
+No match
+ ab d
+No match
+
+/^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/
+ abcdefhijklm
+ 0: abcdefhijklm
+ 1: abc
+ 2: bc
+ 3: c
+ 4: def
+ 5: ef
+ 6: f
+ 7: hij
+ 8: ij
+ 9: j
+10: klm
+11: lm
+12: m
+
+/^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/
+ abcdefhijklm
+ 0: abcdefhijklm
+ 1: bc
+ 2: c
+ 3: ef
+ 4: f
+ 5: ij
+ 6: j
+ 7: lm
+ 8: m
+
+/^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/
+ a+ Z0+\x08\n\x1d\x12
+ 0: a+ Z0+\x08\x0a\x1d\x12
+
+/^[.^$|()*+?{,}]+/
+ .^\$(*+)|{?,?}
+ 0: .^$(*+)|{?,?}
+
+/^a*\w/
+ z
+ 0: z
+ az
+ 0: az
+ aaaz
+ 0: aaaz
+ a
+ 0: a
+ aa
+ 0: aa
+ aaaa
+ 0: aaaa
+ a+
+ 0: a
+ aa+
+ 0: aa
+
+/^a*?\w/
+ z
+ 0: z
+ az
+ 0: a
+ aaaz
+ 0: a
+ a
+ 0: a
+ aa
+ 0: a
+ aaaa
+ 0: a
+ a+
+ 0: a
+ aa+
+ 0: a
+
+/^a+\w/
+ az
+ 0: az
+ aaaz
+ 0: aaaz
+ aa
+ 0: aa
+ aaaa
+ 0: aaaa
+ aa+
+ 0: aa
+
+/^a+?\w/
+ az
+ 0: az
+ aaaz
+ 0: aa
+ aa
+ 0: aa
+ aaaa
+ 0: aa
+ aa+
+ 0: aa
+
+/^\d{8}\w{2,}/
+ 1234567890
+ 0: 1234567890
+ 12345678ab
+ 0: 12345678ab
+ 12345678__
+ 0: 12345678__
+ *** Failers
+No match
+ 1234567
+No match
+
+/^[aeiou\d]{4,5}$/
+ uoie
+ 0: uoie
+ 1234
+ 0: 1234
+ 12345
+ 0: 12345
+ aaaaa
+ 0: aaaaa
+ *** Failers
+No match
+ 123456
+No match
+
+/^[aeiou\d]{4,5}?/
+ uoie
+ 0: uoie
+ 1234
+ 0: 1234
+ 12345
+ 0: 1234
+ aaaaa
+ 0: aaaa
+ 123456
+ 0: 1234
+
+/\A(abc|def)=(\1){2,3}\Z/
+ abc=abcabc
+ 0: abc=abcabc
+ 1: abc
+ 2: abc
+ def=defdefdef
+ 0: def=defdefdef
+ 1: def
+ 2: def
+ *** Failers
+No match
+ abc=defdef
+No match
+
+/^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/
+ abcdefghijkcda2
+ 0: abcdefghijkcda2
+ 1: a
+ 2: b
+ 3: c
+ 4: d
+ 5: e
+ 6: f
+ 7: g
+ 8: h
+ 9: i
+10: j
+11: k
+12: cd
+ abcdefghijkkkkcda2
+ 0: abcdefghijkkkkcda2
+ 1: a
+ 2: b
+ 3: c
+ 4: d
+ 5: e
+ 6: f
+ 7: g
+ 8: h
+ 9: i
+10: j
+11: k
+12: cd
+
+/(cat(a(ract|tonic)|erpillar)) \1()2(3)/
+ cataract cataract23
+ 0: cataract cataract23
+ 1: cataract
+ 2: aract
+ 3: ract
+ 4:
+ 5: 3
+ catatonic catatonic23
+ 0: catatonic catatonic23
+ 1: catatonic
+ 2: atonic
+ 3: tonic
+ 4:
+ 5: 3
+ caterpillar caterpillar23
+ 0: caterpillar caterpillar23
+ 1: caterpillar
+ 2: erpillar
+ 3: <unset>
+ 4:
+ 5: 3
+
+
+/^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]/
+ From abcd Mon Sep 01 12:33:02 1997
+ 0: From abcd Mon Sep 01 12:33
+ 1: abcd
+
+/^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/
+ From abcd Mon Sep 01 12:33:02 1997
+ 0: From abcd Mon Sep 01 12:33
+ 1: Sep
+ From abcd Mon Sep 1 12:33:02 1997
+ 0: From abcd Mon Sep 1 12:33
+ 1: Sep
+ *** Failers
+No match
+ From abcd Sep 01 12:33:02 1997
+No match
+
+/^12.34/s
+ 12\n34
+ 0: 12\x0a34
+ 12\r34
+ 0: 12\x0d34
+
+/\w+(?=\t)/
+ the quick brown\t fox
+ 0: brown
+
+/foo(?!bar)(.*)/
+ foobar is foolish see?
+ 0: foolish see?
+ 1: lish see?
+
+/(?:(?!foo)...|^.{0,2})bar(.*)/
+ foobar crowbar etc
+ 0: rowbar etc
+ 1: etc
+ barrel
+ 0: barrel
+ 1: rel
+ 2barrel
+ 0: 2barrel
+ 1: rel
+ A barrel
+ 0: A barrel
+ 1: rel
+
+/^(\D*)(?=\d)(?!123)/
+ abc456
+ 0: abc
+ 1: abc
+ *** Failers
+No match
+ abc123
+No match
+
+/^1234(?# test newlines
+ inside)/
+ 1234
+ 0: 1234
+
+/^1234 #comment in extended re
+ /x
+ 1234
+ 0: 1234
+
+/#rhubarb
+ abcd/x
+ abcd
+ 0: abcd
+
+/^abcd#rhubarb/x
+ abcd
+ 0: abcd
+
+/^(a)\1{2,3}(.)/
+ aaab
+ 0: aaab
+ 1: a
+ 2: b
+ aaaab
+ 0: aaaab
+ 1: a
+ 2: b
+ aaaaab
+ 0: aaaaa
+ 1: a
+ 2: a
+ aaaaaab
+ 0: aaaaa
+ 1: a
+ 2: a
+
+/(?!^)abc/
+ the abc
+ 0: abc
+ *** Failers
+No match
+ abc
+No match
+
+/(?=^)abc/
+ abc
+ 0: abc
+ *** Failers
+No match
+ the abc
+No match
+
+/^[ab]{1,3}(ab*|b)/
+ aabbbbb
+ 0: aabb
+ 1: b
+
+/^[ab]{1,3}?(ab*|b)/
+ aabbbbb
+ 0: aabbbbb
+ 1: abbbbb
+
+/^[ab]{1,3}?(ab*?|b)/
+ aabbbbb
+ 0: aa
+ 1: a
+
+/^[ab]{1,3}(ab*?|b)/
+ aabbbbb
+ 0: aabb
+ 1: b
+
+/ (?: [\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
+/x
+ Alan Other <user\@dom.ain>
+ 0: Alan Other <[email protected]>
+ <user\@dom.ain>
+ 0: [email protected]
+ user\@dom.ain
+ 0: [email protected]
+ \"A. Other\" <user.1234\@dom.ain> (a comment)
+ 0: "A. Other" <[email protected]> (a comment)
+ A. Other <user.1234\@dom.ain> (a comment)
+ 0: Other <[email protected]> (a comment)
+ \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
+ 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay
+ A missing angle <user\@some.where
+ 0: [email protected]
+ *** Failers
+No match
+ The quick brown fox
+No match
+
+/[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # 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
+)
+/x
+ Alan Other <user\@dom.ain>
+ 0: Alan Other <[email protected]>
+ <user\@dom.ain>
+ 0: [email protected]
+ user\@dom.ain
+ 0: [email protected]
+ \"A. Other\" <user.1234\@dom.ain> (a comment)
+ 0: "A. Other" <[email protected]>
+ A. Other <user.1234\@dom.ain> (a comment)
+ 0: Other <[email protected]>
+ \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
+ 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay
+ A missing angle <user\@some.where
+ 0: [email protected]
+ *** Failers
+No match
+ The quick brown fox
+No match
+
+/abc\0def\00pqr\000xyz\0000AB/
+ abc\0def\00pqr\000xyz\0000AB
+ 0: abc\x00def\x00pqr\x00xyz\x000AB
+ abc456 abc\0def\00pqr\000xyz\0000ABCDE
+ 0: abc\x00def\x00pqr\x00xyz\x000AB
+
+/abc\x0def\x00pqr\x000xyz\x0000AB/
+ abc\x0def\x00pqr\x000xyz\x0000AB
+ 0: abc\x0def\x00pqr\x000xyz\x0000AB
+ abc456 abc\x0def\x00pqr\x000xyz\x0000ABCDE
+ 0: abc\x0def\x00pqr\x000xyz\x0000AB
+
+/^[\000-\037]/
+ \0A
+ 0: \x00
+ \01B
+ 0: \x01
+ \037C
+ 0: \x1f
+
+/\0*/
+ \0\0\0\0
+ 0: \x00\x00\x00\x00
+
+/A\x0{2,3}Z/
+ The A\x0\x0Z
+ 0: A\x00\x00Z
+ An A\0\x0\0Z
+ 0: A\x00\x00\x00Z
+ *** Failers
+No match
+ A\0Z
+No match
+ A\0\x0\0\x0Z
+No match
+
+/^(cow|)\1(bell)/
+ cowcowbell
+ 0: cowcowbell
+ 1: cow
+ 2: bell
+ bell
+ 0: bell
+ 1:
+ 2: bell
+ *** Failers
+No match
+ cowbell
+No match
+
+/^\s/
+ \040abc
+ 0:
+ \x0cabc
+ 0: \x0c
+ \nabc
+ 0: \x0a
+ \rabc
+ 0: \x0d
+ \tabc
+ 0: \x09
+ *** Failers
+No match
+ abc
+No match
+
+/^a b
+ c/x
+ abc
+ 0: abc
+
+/^(a|)\1*b/
+ ab
+ 0: ab
+ 1: a
+ aaaab
+ 0: aaaab
+ 1: a
+ b
+ 0: b
+ 1:
+ *** Failers
+No match
+ acb
+No match
+
+/^(a|)\1+b/
+ aab
+ 0: aab
+ 1: a
+ aaaab
+ 0: aaaab
+ 1: a
+ b
+ 0: b
+ 1:
+ *** Failers
+No match
+ ab
+No match
+
+/^(a|)\1?b/
+ ab
+ 0: ab
+ 1: a
+ aab
+ 0: aab
+ 1: a
+ b
+ 0: b
+ 1:
+ *** Failers
+No match
+ acb
+No match
+
+/^(a|)\1{2}b/
+ aaab
+ 0: aaab
+ 1: a
+ b
+ 0: b
+ 1:
+ *** Failers
+No match
+ ab
+No match
+ aab
+No match
+ aaaab
+No match
+
+/^(a|)\1{2,3}b/
+ aaab
+ 0: aaab
+ 1: a
+ aaaab
+ 0: aaaab
+ 1: a
+ b
+ 0: b
+ 1:
+ *** Failers
+No match
+ ab
+No match
+ aab
+No match
+ aaaaab
+No match
+
+/ab{1,3}bc/
+ abbbbc
+ 0: abbbbc
+ abbbc
+ 0: abbbc
+ abbc
+ 0: abbc
+ *** Failers
+No match
+ abc
+No match
+ abbbbbc
+No match
+
+/([^.]*)\.([^:]*):[T ]+(.*)/
+ track1.title:TBlah blah blah
+ 0: track1.title:TBlah blah blah
+ 1: track1
+ 2: title
+ 3: Blah blah blah
+
+/([^.]*)\.([^:]*):[T ]+(.*)/i
+ track1.title:TBlah blah blah
+ 0: track1.title:TBlah blah blah
+ 1: track1
+ 2: title
+ 3: Blah blah blah
+
+/([^.]*)\.([^:]*):[t ]+(.*)/i
+ track1.title:TBlah blah blah
+ 0: track1.title:TBlah blah blah
+ 1: track1
+ 2: title
+ 3: Blah blah blah
+
+/^[W-c]+$/
+ WXY_^abc
+ 0: WXY_^abc
+ *** Failers
+No match
+ wxy
+No match
+
+/^[W-c]+$/i
+ WXY_^abc
+ 0: WXY_^abc
+ wxy_^ABC
+ 0: wxy_^ABC
+
+/^[\x3f-\x5F]+$/i
+ WXY_^abc
+ 0: WXY_^abc
+ wxy_^ABC
+ 0: wxy_^ABC
+
+/^abc$/m
+ abc
+ 0: abc
+ qqq\nabc
+ 0: abc
+ abc\nzzz
+ 0: abc
+ qqq\nabc\nzzz
+ 0: abc
+
+/^abc$/
+ abc
+ 0: abc
+ *** Failers
+No match
+ qqq\nabc
+No match
+ abc\nzzz
+No match
+ qqq\nabc\nzzz
+No match
+
+/\Aabc\Z/m
+ abc
+ 0: abc
+ abc\n
+ 0: abc
+ *** Failers
+No match
+ qqq\nabc
+No match
+ abc\nzzz
+No match
+ qqq\nabc\nzzz
+No match
+
+/\A(.)*\Z/s
+ abc\ndef
+ 0: abc\x0adef
+ 1: f
+
+/\A(.)*\Z/m
+ *** Failers
+ 0: *** Failers
+ 1: s
+ abc\ndef
+No match
+
+/(?:b)|(?::+)/
+ b::c
+ 0: b
+ c::b
+ 0: ::
+
+/[-az]+/
+ az-
+ 0: az-
+ *** Failers
+ 0: a
+ b
+No match
+
+/[az-]+/
+ za-
+ 0: za-
+ *** Failers
+ 0: a
+ b
+No match
+
+/[a\-z]+/
+ a-z
+ 0: a-z
+ *** Failers
+ 0: a
+ b
+No match
+
+/[a-z]+/
+ abcdxyz
+ 0: abcdxyz
+
+/[\d-]+/
+ 12-34
+ 0: 12-34
+ *** Failers
+No match
+ aaa
+No match
+
+/[\d-z]+/
+ 12-34z
+ 0: 12-34z
+ *** Failers
+No match
+ aaa
+No match
+
+/\x5c/
+ \\
+ 0: \
+
+/\x20Z/
+ the Zoo
+ 0: Z
+ *** Failers
+No match
+ Zulu
+No match
+
+/(abc)\1/i
+ abcabc
+ 0: abcabc
+ 1: abc
+ ABCabc
+ 0: ABCabc
+ 1: ABC
+ abcABC
+ 0: abcABC
+ 1: abc
+
+/ab{3cd/
+ ab{3cd
+ 0: ab{3cd
+
+/ab{3,cd/
+ ab{3,cd
+ 0: ab{3,cd
+
+/ab{3,4a}cd/
+ ab{3,4a}cd
+ 0: ab{3,4a}cd
+
+/{4,5a}bc/
+ {4,5a}bc
+ 0: {4,5a}bc
+
+/abc$/
+ abc
+ 0: abc
+ abc\n
+ 0: abc
+ *** Failers
+No match
+ abc\ndef
+No match
+
+/(abc)\123/
+ abc\x53
+ 0: abcS
+ 1: abc
+
+/(abc)\223/
+ abc\x93
+ 0: abc\x93
+ 1: abc
+
+/(abc)\323/
+ abc\xd3
+ 0: abc\xd3
+ 1: abc
+
+/(abc)\100/
+ abc\x40
+ 0: abc@
+ 1: abc
+ abc\100
+ 0: abc@
+ 1: abc
+
+/(abc)\1000/
+ abc\x400
+ 0: abc@0
+ 1: abc
+ abc\x40\x30
+ 0: abc@0
+ 1: abc
+ abc\1000
+ 0: abc@0
+ 1: abc
+ abc\100\x30
+ 0: abc@0
+ 1: abc
+ abc\100\060
+ 0: abc@0
+ 1: abc
+ abc\100\60
+ 0: abc@0
+ 1: abc
+
+/abc\81/
+ abc\081
+ 0: abc\x0081
+ abc\0\x38\x31
+ 0: abc\x0081
+
+/abc\91/
+ abc\091
+ 0: abc\x0091
+ abc\0\x39\x31
+ 0: abc\x0091
+
+/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\12\123/
+ abcdefghijkllS
+ 0: abcdefghijkllS
+ 1: a
+ 2: b
+ 3: c
+ 4: d
+ 5: e
+ 6: f
+ 7: g
+ 8: h
+ 9: i
+10: j
+11: k
+12: l
+
+/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/
+ abcdefghijk\12S
+ 0: abcdefghijk\x0aS
+ 1: a
+ 2: b
+ 3: c
+ 4: d
+ 5: e
+ 6: f
+ 7: g
+ 8: h
+ 9: i
+10: j
+11: k
+
+/ab\idef/
+ abidef
+ 0: abidef
+
+/a{0}bc/
+ bc
+ 0: bc
+
+/(a|(bc)){0,0}?xyz/
+ xyz
+ 0: xyz
+
+/abc[\10]de/
+ abc\010de
+ 0: abc\x08de
+
+/abc[\1]de/
+ abc\1de
+ 0: abc\x01de
+
+/(abc)[\1]de/
+ abc\1de
+ 0: abc\x01de
+ 1: abc
+
+/(?s)a.b/
+ a\nb
+ 0: a\x0ab
+
+/^([^a])([^\b])([^c]*)([^d]{3,4})/
+ baNOTccccd
+ 0: baNOTcccc
+ 1: b
+ 2: a
+ 3: NOT
+ 4: cccc
+ baNOTcccd
+ 0: baNOTccc
+ 1: b
+ 2: a
+ 3: NOT
+ 4: ccc
+ baNOTccd
+ 0: baNOTcc
+ 1: b
+ 2: a
+ 3: NO
+ 4: Tcc
+ bacccd
+ 0: baccc
+ 1: b
+ 2: a
+ 3:
+ 4: ccc
+ *** Failers
+ 0: *** Failers
+ 1: *
+ 2: *
+ 3: * Fail
+ 4: ers
+ anything
+No match
+ b\bc
+No match
+ baccd
+No match
+
+/[^a]/
+ Abc
+ 0: A
+
+/[^a]/i
+ Abc
+ 0: b
+
+/[^a]+/
+ AAAaAbc
+ 0: AAA
+
+/[^a]+/i
+ AAAaAbc
+ 0: bc
+
+/[^a]+/
+ bbb\nccc
+ 0: bbb\x0accc
+
+/[^k]$/
+ abc
+ 0: c
+ *** Failers
+ 0: s
+ abk
+No match
+
+/[^k]{2,3}$/
+ abc
+ 0: abc
+ kbc
+ 0: bc
+ kabc
+ 0: abc
+ *** Failers
+ 0: ers
+ abk
+No match
+ akb
+No match
+ akk
+No match
+
+/^\d{8,}\@.+[^k]$/
+ 12345678\@a.b.c.d
+ 0: [email protected]
+ 123456789\@x.y.z
+ 0: [email protected]
+ *** Failers
+No match
+ 12345678\@x.y.uk
+No match
+ 1234567\@a.b.c.d
+No match
+
+/(a)\1{8,}/
+ aaaaaaaaa
+ 0: aaaaaaaaa
+ 1: a
+ aaaaaaaaaa
+ 0: aaaaaaaaaa
+ 1: a
+ *** Failers
+No match
+ aaaaaaa
+No match
+
+/[^a]/
+ aaaabcd
+ 0: b
+ aaAabcd
+ 0: A
+
+/[^a]/i
+ aaaabcd
+ 0: b
+ aaAabcd
+ 0: b
+
+/[^az]/
+ aaaabcd
+ 0: b
+ aaAabcd
+ 0: A
+
+/[^az]/i
+ aaaabcd
+ 0: b
+ aaAabcd
+ 0: b
+
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+
+/P[^*]TAIRE[^*]{1,6}?LL/
+ xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
+ 0: PSTAIREISLL
+
+/P[^*]TAIRE[^*]{1,}?LL/
+ xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
+ 0: PSTAIREISLL
+
+/(\.\d\d[1-9]?)\d+/
+ 1.230003938
+ 0: .230003938
+ 1: .23
+ 1.875000282
+ 0: .875000282
+ 1: .875
+ 1.235
+ 0: .235
+ 1: .23
+
+/(\.\d\d((?=0)|\d(?=\d)))/
+ 1.230003938
+ 0: .23
+ 1: .23
+ 2:
+ 1.875000282
+ 0: .875
+ 1: .875
+ 2: 5
+ *** Failers
+No match
+ 1.235
+No match
+
+/a(?)b/
+ ab
+ 0: ab
+
+/\b(foo)\s+(\w+)/i
+ Food is on the foo table
+ 0: foo table
+ 1: foo
+ 2: table
+
+/foo(.*)bar/
+ The food is under the bar in the barn.
+ 0: food is under the bar in the bar
+ 1: d is under the bar in the
+
+/foo(.*?)bar/
+ The food is under the bar in the barn.
+ 0: food is under the bar
+ 1: d is under the
+
+/(.*)(\d*)/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+ 1: I have 2 numbers: 53147
+ 2:
+
+/(.*)(\d+)/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+ 1: I have 2 numbers: 5314
+ 2: 7
+
+/(.*?)(\d*)/
+ I have 2 numbers: 53147
+ 0:
+ 1:
+ 2:
+
+/(.*?)(\d+)/
+ I have 2 numbers: 53147
+ 0: I have 2
+ 1: I have
+ 2: 2
+
+/(.*)(\d+)$/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+ 1: I have 2 numbers: 5314
+ 2: 7
+
+/(.*?)(\d+)$/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+ 1: I have 2 numbers:
+ 2: 53147
+
+/(.*)\b(\d+)$/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+ 1: I have 2 numbers:
+ 2: 53147
+
+/(.*\D)(\d+)$/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+ 1: I have 2 numbers:
+ 2: 53147
+
+/^\D*(?!123)/
+ ABC123
+ 0: AB
+
+/^(\D*)(?=\d)(?!123)/
+ ABC445
+ 0: ABC
+ 1: ABC
+ *** Failers
+No match
+ ABC123
+No match
+
+/^[W-]46]/
+ W46]789
+ 0: W46]
+ -46]789
+ 0: -46]
+ *** Failers
+No match
+ Wall
+No match
+ Zebra
+No match
+ 42
+No match
+ [abcd]
+No match
+ ]abcd[
+No match
+
+/^[W-\]46]/
+ W46]789
+ 0: W
+ Wall
+ 0: W
+ Zebra
+ 0: Z
+ Xylophone
+ 0: X
+ 42
+ 0: 4
+ [abcd]
+ 0: [
+ ]abcd[
+ 0: ]
+ \\backslash
+ 0: \
+ *** Failers
+No match
+ -46]789
+No match
+ well
+No match
+
+/\d\d\/\d\d\/\d\d\d\d/
+ 01/01/2000
+ 0: 01/01/2000
+
+/word (?:[a-zA-Z0-9]+ ){0,10}otherword/
+ word cat dog elephant mussel cow horse canary baboon snake shark otherword
+ 0: word cat dog elephant mussel cow horse canary baboon snake shark otherword
+ word cat dog elephant mussel cow horse canary baboon snake shark
+No match
+
+/word (?:[a-zA-Z0-9]+ ){0,300}otherword/
+ 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
+No match
+
+/^(a){0,0}/
+ bcd
+ 0:
+ abc
+ 0:
+ aab
+ 0:
+
+/^(a){0,1}/
+ bcd
+ 0:
+ abc
+ 0: a
+ 1: a
+ aab
+ 0: a
+ 1: a
+
+/^(a){0,2}/
+ bcd
+ 0:
+ abc
+ 0: a
+ 1: a
+ aab
+ 0: aa
+ 1: a
+
+/^(a){0,3}/
+ bcd
+ 0:
+ abc
+ 0: a
+ 1: a
+ aab
+ 0: aa
+ 1: a
+ aaa
+ 0: aaa
+ 1: a
+
+/^(a){0,}/
+ bcd
+ 0:
+ abc
+ 0: a
+ 1: a
+ aab
+ 0: aa
+ 1: a
+ aaa
+ 0: aaa
+ 1: a
+ aaaaaaaa
+ 0: aaaaaaaa
+ 1: a
+
+/^(a){1,1}/
+ bcd
+No match
+ abc
+ 0: a
+ 1: a
+ aab
+ 0: a
+ 1: a
+
+/^(a){1,2}/
+ bcd
+No match
+ abc
+ 0: a
+ 1: a
+ aab
+ 0: aa
+ 1: a
+
+/^(a){1,3}/
+ bcd
+No match
+ abc
+ 0: a
+ 1: a
+ aab
+ 0: aa
+ 1: a
+ aaa
+ 0: aaa
+ 1: a
+
+/^(a){1,}/
+ bcd
+No match
+ abc
+ 0: a
+ 1: a
+ aab
+ 0: aa
+ 1: a
+ aaa
+ 0: aaa
+ 1: a
+ aaaaaaaa
+ 0: aaaaaaaa
+ 1: a
+
+/.*\.gif/
+ borfle\nbib.gif\nno
+ 0: bib.gif
+
+/.{0,}\.gif/
+ borfle\nbib.gif\nno
+ 0: bib.gif
+
+/.*\.gif/m
+ borfle\nbib.gif\nno
+ 0: bib.gif
+
+/.*\.gif/s
+ borfle\nbib.gif\nno
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+
+/.*\.gif/ms
+ borfle\nbib.gif\nno
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+
+/.*$/
+ borfle\nbib.gif\nno
+ 0: no
+
+/.*$/m
+ borfle\nbib.gif\nno
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+
+/.*$/s
+ borfle\nbib.gif\nno
+ 0: borfle\x0abib.gif\x0ano
+
+/.*$/ms
+ borfle\nbib.gif\nno
+ 0: borfle\x0abib.gif\x0ano
+
+/.*$/
+ borfle\nbib.gif\nno\n
+ 0: no
+
+/.*$/m
+ borfle\nbib.gif\nno\n
+ 0: borfle
+
+/.*$/s
+ borfle\nbib.gif\nno\n
+ 0: borfle\x0abib.gif\x0ano\x0a
+
+/.*$/ms
+ borfle\nbib.gif\nno\n
+ 0: borfle\x0abib.gif\x0ano\x0a
+
+/(.*X|^B)/
+ abcde\n1234Xyz
+ 0: 1234X
+ 1: 1234X
+ BarFoo
+ 0: B
+ 1: B
+ *** Failers
+No match
+ abcde\nBar
+No match
+
+/(.*X|^B)/m
+ abcde\n1234Xyz
+ 0: 1234X
+ 1: 1234X
+ BarFoo
+ 0: B
+ 1: B
+ abcde\nBar
+ 0: B
+ 1: B
+
+/(.*X|^B)/s
+ abcde\n1234Xyz
+ 0: abcde\x0a1234X
+ 1: abcde\x0a1234X
+ BarFoo
+ 0: B
+ 1: B
+ *** Failers
+No match
+ abcde\nBar
+No match
+
+/(.*X|^B)/ms
+ abcde\n1234Xyz
+ 0: abcde\x0a1234X
+ 1: abcde\x0a1234X
+ BarFoo
+ 0: B
+ 1: B
+ abcde\nBar
+ 0: B
+ 1: B
+
+/(?s)(.*X|^B)/
+ abcde\n1234Xyz
+ 0: abcde\x0a1234X
+ 1: abcde\x0a1234X
+ BarFoo
+ 0: B
+ 1: B
+ *** Failers
+No match
+ abcde\nBar
+No match
+
+/(?s:.*X|^B)/
+ abcde\n1234Xyz
+ 0: abcde\x0a1234X
+ BarFoo
+ 0: B
+ *** Failers
+No match
+ abcde\nBar
+No match
+
+/^.*B/
+ **** Failers
+No match
+ abc\nB
+No match
+
+/(?s)^.*B/
+ abc\nB
+ 0: abc\x0aB
+
+/(?m)^.*B/
+ abc\nB
+ 0: B
+
+/(?ms)^.*B/
+ abc\nB
+ 0: abc\x0aB
+
+/(?ms)^B/
+ abc\nB
+ 0: B
+
+/(?s)B$/
+ B\n
+ 0: B
+
+/^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/
+ 123456654321
+ 0: 123456654321
+
+/^\d\d\d\d\d\d\d\d\d\d\d\d/
+ 123456654321
+ 0: 123456654321
+
+/^[\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d]/
+ 123456654321
+ 0: 123456654321
+
+/^[abc]{12}/
+ abcabcabcabc
+ 0: abcabcabcabc
+
+/^[a-c]{12}/
+ abcabcabcabc
+ 0: abcabcabcabc
+
+/^(a|b|c){12}/
+ abcabcabcabc
+ 0: abcabcabcabc
+ 1: c
+
+/^[abcdefghijklmnopqrstuvwxy0123456789]/
+ n
+ 0: n
+ *** Failers
+No match
+ z
+No match
+
+/abcde{0,0}/
+ abcd
+ 0: abcd
+ *** Failers
+No match
+ abce
+No match
+
+/ab[cd]{0,0}e/
+ abe
+ 0: abe
+ *** Failers
+No match
+ abcde
+No match
+
+/ab(c){0,0}d/
+ abd
+ 0: abd
+ *** Failers
+No match
+ abcd
+No match
+
+/a(b*)/
+ a
+ 0: a
+ 1:
+ ab
+ 0: ab
+ 1: b
+ abbbb
+ 0: abbbb
+ 1: bbbb
+ *** Failers
+ 0: a
+ 1:
+ bbbbb
+No match
+
+/ab\d{0}e/
+ abe
+ 0: abe
+ *** Failers
+No match
+ ab1e
+No match
+
+/"([^\\"]+|\\.)*"/
+ the \"quick\" brown fox
+ 0: "quick"
+ 1: quick
+ \"the \\\"quick\\\" brown fox\"
+ 0: "the \"quick\" brown fox"
+ 1: brown fox
+
+/.*?/g+
+ abc
+ 0:
+ 0+ abc
+ 0: a
+ 0+ bc
+ 0:
+ 0+ bc
+ 0: b
+ 0+ c
+ 0:
+ 0+ c
+ 0: c
+ 0+
+ 0:
+ 0+
+
+/\b/g+
+ abc
+ 0:
+ 0+ abc
+ 0:
+ 0+
+
+/\b/+g
+ abc
+ 0:
+ 0+ abc
+ 0:
+ 0+
+
+//g
+ abc
+ 0:
+ 0:
+ 0:
+ 0:
+
+/<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is
+ <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
+ 0: <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
+ 1: BGCOLOR='#DBE9E9'
+ 2: align=left valign=top
+ 3: 43.
+ 4: <a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)
+ 5:
+ 6:
+ 7: <unset>
+ 8: align=left valign=top
+ 9: Lega lstaff.com
+10: align=left valign=top
+11: CA - Statewide
+
+/a[^a]b/
+ acb
+ 0: acb
+ a\nb
+ 0: a\x0ab
+
+/a.b/
+ acb
+ 0: acb
+ *** Failers
+No match
+ a\nb
+No match
+
+/a[^a]b/s
+ acb
+ 0: acb
+ a\nb
+ 0: a\x0ab
+
+/a.b/s
+ acb
+ 0: acb
+ a\nb
+ 0: a\x0ab
+
+/^(b+?|a){1,2}?c/
+ bac
+ 0: bac
+ 1: a
+ bbac
+ 0: bbac
+ 1: a
+ bbbac
+ 0: bbbac
+ 1: a
+ bbbbac
+ 0: bbbbac
+ 1: a
+ bbbbbac
+ 0: bbbbbac
+ 1: a
+
+/^(b+|a){1,2}?c/
+ bac
+ 0: bac
+ 1: a
+ bbac
+ 0: bbac
+ 1: a
+ bbbac
+ 0: bbbac
+ 1: a
+ bbbbac
+ 0: bbbbac
+ 1: a
+ bbbbbac
+ 0: bbbbbac
+ 1: a
+
+/(?!\A)x/m
+ x\nb\n
+No match
+ a\bx\n
+ 0: x
+
+/\x0{ab}/
+ \0{ab}
+ 0: \x00{ab}
+
+/(A|B)*?CD/
+ CD
+ 0: CD
+
+/(A|B)*CD/
+ CD
+ 0: CD
+
+/(AB)*?\1/
+ ABABAB
+ 0: ABAB
+ 1: AB
+
+/(AB)*\1/
+ ABABAB
+ 0: ABABAB
+ 1: AB
+
+/(?<!bar)foo/
+ foo
+ 0: foo
+ catfood
+ 0: foo
+ arfootle
+ 0: foo
+ rfoosh
+ 0: foo
+ *** Failers
+No match
+ barfoo
+No match
+ towbarfoo
+No match
+
+/\w{3}(?<!bar)foo/
+ catfood
+ 0: catfoo
+ *** Failers
+No match
+ foo
+No match
+ barfoo
+No match
+ towbarfoo
+No match
+
+/(?<=(foo)a)bar/
+ fooabar
+ 0: bar
+ 1: foo
+ *** Failers
+No match
+ bar
+No match
+ foobbar
+No match
+
+/\Aabc\z/m
+ abc
+ 0: abc
+ *** Failers
+No match
+ abc\n
+No match
+ qqq\nabc
+No match
+ abc\nzzz
+No match
+ qqq\nabc\nzzz
+No match
+
+"(?>.*/)foo"
+ /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/
+No match
+
+"(?>.*/)foo"
+ /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
+ 0: /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
+
+/(?>(\.\d\d[1-9]?))\d+/
+ 1.230003938
+ 0: .230003938
+ 1: .23
+ 1.875000282
+ 0: .875000282
+ 1: .875
+ *** Failers
+No match
+ 1.235
+No match
+
+/^((?>\w+)|(?>\s+))*$/
+ now is the time for all good men to come to the aid of the party
+ 0: now is the time for all good men to come to the aid of the party
+ 1: party
+ *** Failers
+No match
+ this is not a line with only words and spaces!
+No match
+
+/(\d+)(\w)/
+ 12345a
+ 0: 12345a
+ 1: 12345
+ 2: a
+ 12345+
+ 0: 12345
+ 1: 1234
+ 2: 5
+
+/((?>\d+))(\w)/
+ 12345a
+ 0: 12345a
+ 1: 12345
+ 2: a
+ *** Failers
+No match
+ 12345+
+No match
+
+/(?>a+)b/
+ aaab
+ 0: aaab
+
+/((?>a+)b)/
+ aaab
+ 0: aaab
+ 1: aaab
+
+/(?>(a+))b/
+ aaab
+ 0: aaab
+ 1: aaa
+
+/(?>b)+/
+ aaabbbccc
+ 0: bbb
+
+/(?>a+|b+|c+)*c/
+ aaabbbbccccd
+ 0: aaabbbbc
+
+/((?>[^()]+)|\([^()]*\))+/
+ ((abc(ade)ufh()()x
+ 0: abc(ade)ufh()()x
+ 1: x
+
+/\(((?>[^()]+)|\([^()]+\))+\)/
+ (abc)
+ 0: (abc)
+ 1: abc
+ (abc(def)xyz)
+ 0: (abc(def)xyz)
+ 1: xyz
+ *** Failers
+No match
+ ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+
+/a(?-i)b/i
+ ab
+ 0: ab
+ Ab
+ 0: Ab
+ *** Failers
+No match
+ aB
+No match
+ AB
+No match
+
+/(a (?x)b c)d e/
+ a bcd e
+ 0: a bcd e
+ 1: a bc
+ *** Failers
+No match
+ a b cd e
+No match
+ abcd e
+No match
+ a bcde
+No match
+
+/(a b(?x)c d (?-x)e f)/
+ a bcde f
+ 0: a bcde f
+ 1: a bcde f
+ *** Failers
+No match
+ abcdef
+No match
+
+/(a(?i)b)c/
+ abc
+ 0: abc
+ 1: ab
+ aBc
+ 0: aBc
+ 1: aB
+ *** Failers
+No match
+ abC
+No match
+ aBC
+No match
+ Abc
+No match
+ ABc
+No match
+ ABC
+No match
+ AbC
+No match
+
+/a(?i:b)c/
+ abc
+ 0: abc
+ aBc
+ 0: aBc
+ *** Failers
+No match
+ ABC
+No match
+ abC
+No match
+ aBC
+No match
+
+/a(?i:b)*c/
+ aBc
+ 0: aBc
+ aBBc
+ 0: aBBc
+ *** Failers
+No match
+ aBC
+No match
+ aBBC
+No match
+
+/a(?=b(?i)c)\w\wd/
+ abcd
+ 0: abcd
+ abCd
+ 0: abCd
+ *** Failers
+No match
+ aBCd
+No match
+ abcD
+No match
+
+/(?s-i:more.*than).*million/i
+ more than million
+ 0: more than million
+ more than MILLION
+ 0: more than MILLION
+ more \n than Million
+ 0: more \x0a than Million
+ *** Failers
+No match
+ MORE THAN MILLION
+No match
+ more \n than \n million
+No match
+
+/(?:(?s-i)more.*than).*million/i
+ more than million
+ 0: more than million
+ more than MILLION
+ 0: more than MILLION
+ more \n than Million
+ 0: more \x0a than Million
+ *** Failers
+No match
+ MORE THAN MILLION
+No match
+ more \n than \n million
+No match
+
+/(?>a(?i)b+)+c/
+ abc
+ 0: abc
+ aBbc
+ 0: aBbc
+ aBBc
+ 0: aBBc
+ *** Failers
+No match
+ Abc
+No match
+ abAb
+No match
+ abbC
+No match
+
+/(?=a(?i)b)\w\wc/
+ abc
+ 0: abc
+ aBc
+ 0: aBc
+ *** Failers
+No match
+ Ab
+No match
+ abC
+No match
+ aBC
+No match
+
+/(?<=a(?i)b)(\w\w)c/
+ abxxc
+ 0: xxc
+ 1: xx
+ aBxxc
+ 0: xxc
+ 1: xx
+ *** Failers
+No match
+ Abxxc
+No match
+ ABxxc
+No match
+ abxxC
+No match
+
+/(?:(a)|b)(?(1)A|B)/
+ aA
+ 0: aA
+ 1: a
+ bB
+ 0: bB
+ *** Failers
+No match
+ aB
+No match
+ bA
+No match
+
+/^(a)?(?(1)a|b)+$/
+ aa
+ 0: aa
+ 1: a
+ b
+ 0: b
+ bb
+ 0: bb
+ *** Failers
+No match
+ ab
+No match
+
+/^(?(?=abc)\w{3}:|\d\d)$/
+ abc:
+ 0: abc:
+ 12
+ 0: 12
+ *** Failers
+No match
+ 123
+No match
+ xyz
+No match
+
+/^(?(?!abc)\d\d|\w{3}:)$/
+ abc:
+ 0: abc:
+ 12
+ 0: 12
+ *** Failers
+No match
+ 123
+No match
+ xyz
+No match
+
+/(?(?<=foo)bar|cat)/
+ foobar
+ 0: bar
+ cat
+ 0: cat
+ fcat
+ 0: cat
+ focat
+ 0: cat
+ *** Failers
+No match
+ foocat
+No match
+
+/(?(?<!foo)cat|bar)/
+ foobar
+ 0: bar
+ cat
+ 0: cat
+ fcat
+ 0: cat
+ focat
+ 0: cat
+ *** Failers
+No match
+ foocat
+No match
+
+/( \( )? [^()]+ (?(1) \) |) /x
+ abcd
+ 0: abcd
+ (abcd)
+ 0: (abcd)
+ 1: (
+ the quick (abcd) fox
+ 0: the quick
+ (abcd
+ 0: abcd
+
+/( \( )? [^()]+ (?(1) \) ) /x
+ abcd
+ 0: abcd
+ (abcd)
+ 0: (abcd)
+ 1: (
+ the quick (abcd) fox
+ 0: the quick
+ (abcd
+ 0: abcd
+
+/^(?(2)a|(1)(2))+$/
+ 12
+ 0: 12
+ 1: 1
+ 2: 2
+ 12a
+ 0: 12a
+ 1: 1
+ 2: 2
+ 12aa
+ 0: 12aa
+ 1: 1
+ 2: 2
+ *** Failers
+No match
+ 1234
+No match
+
+/((?i)blah)\s+\1/
+ blah blah
+ 0: blah blah
+ 1: blah
+ BLAH BLAH
+ 0: BLAH BLAH
+ 1: BLAH
+ Blah Blah
+ 0: Blah Blah
+ 1: Blah
+ blaH blaH
+ 0: blaH blaH
+ 1: blaH
+ *** Failers
+No match
+ blah BLAH
+No match
+ Blah blah
+No match
+ blaH blah
+No match
+
+/((?i)blah)\s+(?i:\1)/
+ blah blah
+ 0: blah blah
+ 1: blah
+ BLAH BLAH
+ 0: BLAH BLAH
+ 1: BLAH
+ Blah Blah
+ 0: Blah Blah
+ 1: Blah
+ blaH blaH
+ 0: blaH blaH
+ 1: blaH
+ blah BLAH
+ 0: blah BLAH
+ 1: blah
+ Blah blah
+ 0: Blah blah
+ 1: Blah
+ blaH blah
+ 0: blaH blah
+ 1: blaH
+
+/(?>a*)*/
+ a
+ 0: a
+ aa
+ 0: aa
+ aaaa
+ 0: aaaa
+
+/(abc|)+/
+ abc
+ 0: abc
+ 1:
+ abcabc
+ 0: abcabc
+ 1:
+ abcabcabc
+ 0: abcabcabc
+ 1:
+ xyz
+ 0:
+ 1:
+
+/([a]*)*/
+ a
+ 0: a
+ 1:
+ aaaaa
+ 0: aaaaa
+ 1:
+
+/([ab]*)*/
+ a
+ 0: a
+ 1:
+ b
+ 0: b
+ 1:
+ ababab
+ 0: ababab
+ 1:
+ aaaabcde
+ 0: aaaab
+ 1:
+ bbbb
+ 0: bbbb
+ 1:
+
+/([^a]*)*/
+ b
+ 0: b
+ 1:
+ bbbb
+ 0: bbbb
+ 1:
+ aaa
+ 0:
+ 1:
+
+/([^ab]*)*/
+ cccc
+ 0: cccc
+ 1:
+ abab
+ 0:
+ 1:
+
+/([a]*?)*/
+ a
+ 0:
+ 1:
+ aaaa
+ 0:
+ 1:
+
+/([ab]*?)*/
+ a
+ 0:
+ 1:
+ b
+ 0:
+ 1:
+ abab
+ 0:
+ 1:
+ baba
+ 0:
+ 1:
+
+/([^a]*?)*/
+ b
+ 0:
+ 1:
+ bbbb
+ 0:
+ 1:
+ aaa
+ 0:
+ 1:
+
+/([^ab]*?)*/
+ c
+ 0:
+ 1:
+ cccc
+ 0:
+ 1:
+ baba
+ 0:
+ 1:
+
+/(?>a*)*/
+ a
+ 0: a
+ aaabcde
+ 0: aaa
+
+/((?>a*))*/
+ aaaaa
+ 0: aaaaa
+ 1:
+ aabbaa
+ 0: aa
+ 1:
+
+/((?>a*?))*/
+ aaaaa
+ 0:
+ 1:
+ aabbaa
+ 0:
+ 1:
+
+/(?(?=[^a-z]+[a-z]) \d{2}-[a-z]{3}-\d{2} | \d{2}-\d{2}-\d{2} ) /x
+ 12-sep-98
+ 0: 12-sep-98
+ 12-09-98
+ 0: 12-09-98
+ *** Failers
+No match
+ sep-12-98
+No match
+
+/(?<=(foo))bar\1/
+ foobarfoo
+ 0: barfoo
+ 1: foo
+ foobarfootling
+ 0: barfoo
+ 1: foo
+ *** Failers
+No match
+ foobar
+No match
+ barfoo
+No match
+
+/(?i:saturday|sunday)/
+ saturday
+ 0: saturday
+ sunday
+ 0: sunday
+ Saturday
+ 0: Saturday
+ Sunday
+ 0: Sunday
+ SATURDAY
+ 0: SATURDAY
+ SUNDAY
+ 0: SUNDAY
+ SunDay
+ 0: SunDay
+
+/(a(?i)bc|BB)x/
+ abcx
+ 0: abcx
+ 1: abc
+ aBCx
+ 0: aBCx
+ 1: aBC
+ bbx
+ 0: bbx
+ 1: bb
+ BBx
+ 0: BBx
+ 1: BB
+ *** Failers
+No match
+ abcX
+No match
+ aBCX
+No match
+ bbX
+No match
+ BBX
+No match
+
+/^([ab](?i)[cd]|[ef])/
+ ac
+ 0: ac
+ 1: ac
+ aC
+ 0: aC
+ 1: aC
+ bD
+ 0: bD
+ 1: bD
+ elephant
+ 0: e
+ 1: e
+ Europe
+ 0: E
+ 1: E
+ frog
+ 0: f
+ 1: f
+ France
+ 0: F
+ 1: F
+ *** Failers
+No match
+ Africa
+No match
+
+/^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/
+ ab
+ 0: ab
+ 1: ab
+ aBd
+ 0: aBd
+ 1: aBd
+ xy
+ 0: xy
+ 1: xy
+ xY
+ 0: xY
+ 1: xY
+ zebra
+ 0: z
+ 1: z
+ Zambesi
+ 0: Z
+ 1: Z
+ *** Failers
+No match
+ aCD
+No match
+ XY
+No match
+
+/(?<=foo\n)^bar/m
+ foo\nbar
+ 0: bar
+ *** Failers
+No match
+ bar
+No match
+ baz\nbar
+No match
+
+/(?<=(?<!foo)bar)baz/
+ barbaz
+ 0: baz
+ barbarbaz
+ 0: baz
+ koobarbaz
+ 0: baz
+ *** Failers
+No match
+ baz
+No match
+ foobarbaz
+No match
+
+/The case of aaaaaa is missed out below because I think Perl 5.005_02 gets/
+/it wrong; it sets $1 to aaa rather than aa. Compare the following test,/
+No match
+/where it does set $1 to aa when matching aaaaaa./
+No match
+
+/^(a\1?){4}$/
+ a
+No match
+ aa
+No match
+ aaa
+No match
+ aaaa
+ 0: aaaa
+ 1: a
+ aaaaa
+ 0: aaaaa
+ 1: a
+ aaaaaaa
+ 0: aaaaaaa
+ 1: a
+ aaaaaaaa
+No match
+ aaaaaaaaa
+No match
+ aaaaaaaaaa
+ 0: aaaaaaaaaa
+ 1: aaaa
+ aaaaaaaaaaa
+No match
+ aaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaaaaa
+No match
+
+/^(a\1?)(a\1?)(a\2?)(a\3?)$/
+ a
+No match
+ aa
+No match
+ aaa
+No match
+ aaaa
+ 0: aaaa
+ 1: a
+ 2: a
+ 3: a
+ 4: a
+ aaaaa
+ 0: aaaaa
+ 1: a
+ 2: aa
+ 3: a
+ 4: a
+ aaaaaa
+ 0: aaaaaa
+ 1: a
+ 2: aa
+ 3: a
+ 4: aa
+ aaaaaaa
+ 0: aaaaaaa
+ 1: a
+ 2: aa
+ 3: aaa
+ 4: a
+ aaaaaaaa
+No match
+ aaaaaaaaa
+No match
+ aaaaaaaaaa
+ 0: aaaaaaaaaa
+ 1: a
+ 2: aa
+ 3: aaa
+ 4: aaaa
+ aaaaaaaaaaa
+No match
+ aaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaaaaa
+No match
+
+/The following tests are taken from the Perl 5.005 test suite; some of them/
+/are compatible with 5.004, but I'd rather not have to sort them out./
+No match
+
+/abc/
+ abc
+ 0: abc
+ xabcy
+ 0: abc
+ ababc
+ 0: abc
+ *** Failers
+No match
+ xbc
+No match
+ axc
+No match
+ abx
+No match
+
+/ab*c/
+ abc
+ 0: abc
+
+/ab*bc/
+ abc
+ 0: abc
+ abbc
+ 0: abbc
+ abbbbc
+ 0: abbbbc
+
+/.{1}/
+ abbbbc
+ 0: a
+
+/.{3,4}/
+ abbbbc
+ 0: abbb
+
+/ab{0,}bc/
+ abbbbc
+ 0: abbbbc
+
+/ab+bc/
+ abbc
+ 0: abbc
+ *** Failers
+No match
+ abc
+No match
+ abq
+No match
+
+/ab{1,}bc/
+
+/ab+bc/
+ abbbbc
+ 0: abbbbc
+
+/ab{1,}bc/
+ abbbbc
+ 0: abbbbc
+
+/ab{1,3}bc/
+ abbbbc
+ 0: abbbbc
+
+/ab{3,4}bc/
+ abbbbc
+ 0: abbbbc
+
+/ab{4,5}bc/
+ *** Failers
+No match
+ abq
+No match
+ abbbbc
+No match
+
+/ab?bc/
+ abbc
+ 0: abbc
+ abc
+ 0: abc
+
+/ab{0,1}bc/
+ abc
+ 0: abc
+
+/ab?bc/
+
+/ab?c/
+ abc
+ 0: abc
+
+/ab{0,1}c/
+ abc
+ 0: abc
+
+/^abc$/
+ abc
+ 0: abc
+ *** Failers
+No match
+ abbbbc
+No match
+ abcc
+No match
+
+/^abc/
+ abcc
+ 0: abc
+
+/^abc$/
+
+/abc$/
+ aabc
+ 0: abc
+ *** Failers
+No match
+ aabc
+ 0: abc
+ aabcd
+No match
+
+/^/
+ abc
+ 0:
+
+/$/
+ abc
+ 0:
+
+/a.c/
+ abc
+ 0: abc
+ axc
+ 0: axc
+
+/a.*c/
+ axyzc
+ 0: axyzc
+
+/a[bc]d/
+ abd
+ 0: abd
+ *** Failers
+No match
+ axyzd
+No match
+ abc
+No match
+
+/a[b-d]e/
+ ace
+ 0: ace
+
+/a[b-d]/
+ aac
+ 0: ac
+
+/a[-b]/
+ a-
+ 0: a-
+
+/a[b-]/
+ a-
+ 0: a-
+
+/a]/
+ a]
+ 0: a]
+
+/a[]]b/
+ a]b
+ 0: a]b
+
+/a[^bc]d/
+ aed
+ 0: aed
+ *** Failers
+No match
+ abd
+No match
+ abd
+No match
+
+/a[^-b]c/
+ adc
+ 0: adc
+
+/a[^]b]c/
+ adc
+ 0: adc
+ *** Failers
+No match
+ a-c
+ 0: a-c
+ a]c
+No match
+
+/\ba\b/
+ a-
+ 0: a
+ -a
+ 0: a
+ -a-
+ 0: a
+
+/\by\b/
+ *** Failers
+No match
+ xy
+No match
+ yz
+No match
+ xyz
+No match
+
+/\Ba\B/
+ *** Failers
+ 0: a
+ a-
+No match
+ -a
+No match
+ -a-
+No match
+
+/\By\b/
+ xy
+ 0: y
+
+/\by\B/
+ yz
+ 0: y
+
+/\By\B/
+ xyz
+ 0: y
+
+/\w/
+ a
+ 0: a
+
+/\W/
+ -
+ 0: -
+ *** Failers
+ 0: *
+ -
+ 0: -
+ a
+No match
+
+/a\sb/
+ a b
+ 0: a b
+
+/a\Sb/
+ a-b
+ 0: a-b
+ *** Failers
+No match
+ a-b
+ 0: a-b
+ a b
+No match
+
+/\d/
+ 1
+ 0: 1
+
+/\D/
+ -
+ 0: -
+ *** Failers
+ 0: *
+ -
+ 0: -
+ 1
+No match
+
+/[\w]/
+ a
+ 0: a
+
+/[\W]/
+ -
+ 0: -
+ *** Failers
+ 0: *
+ -
+ 0: -
+ a
+No match
+
+/a[\s]b/
+ a b
+ 0: a b
+
+/a[\S]b/
+ a-b
+ 0: a-b
+ *** Failers
+No match
+ a-b
+ 0: a-b
+ a b
+No match
+
+/[\d]/
+ 1
+ 0: 1
+
+/[\D]/
+ -
+ 0: -
+ *** Failers
+ 0: *
+ -
+ 0: -
+ 1
+No match
+
+/ab|cd/
+ abc
+ 0: ab
+ abcd
+ 0: ab
+
+/()ef/
+ def
+ 0: ef
+ 1:
+
+/$b/
+
+/a\(b/
+ a(b
+ 0: a(b
+
+/a\(*b/
+ ab
+ 0: ab
+ a((b
+ 0: a((b
+
+/a\\b/
+ a\b
+No match
+
+/((a))/
+ abc
+ 0: a
+ 1: a
+ 2: a
+
+/(a)b(c)/
+ abc
+ 0: abc
+ 1: a
+ 2: c
+
+/a+b+c/
+ aabbabc
+ 0: abc
+
+/a{1,}b{1,}c/
+ aabbabc
+ 0: abc
+
+/a.+?c/
+ abcabc
+ 0: abc
+
+/(a+|b)*/
+ ab
+ 0: ab
+ 1: b
+
+/(a+|b){0,}/
+ ab
+ 0: ab
+ 1: b
+
+/(a+|b)+/
+ ab
+ 0: ab
+ 1: b
+
+/(a+|b){1,}/
+ ab
+ 0: ab
+ 1: b
+
+/(a+|b)?/
+ ab
+ 0: a
+ 1: a
+
+/(a+|b){0,1}/
+ ab
+ 0: a
+ 1: a
+
+/[^ab]*/
+ cde
+ 0: cde
+
+/abc/
+ *** Failers
+No match
+ b
+No match
+
+
+/a*/
+
+
+/([abc])*d/
+ abbbcd
+ 0: abbbcd
+ 1: c
+
+/([abc])*bcd/
+ abcd
+ 0: abcd
+ 1: a
+
+/a|b|c|d|e/
+ e
+ 0: e
+
+/(a|b|c|d|e)f/
+ ef
+ 0: ef
+ 1: e
+
+/abcd*efg/
+ abcdefg
+ 0: abcdefg
+
+/ab*/
+ xabyabbbz
+ 0: ab
+ xayabbbz
+ 0: a
+
+/(ab|cd)e/
+ abcde
+ 0: cde
+ 1: cd
+
+/[abhgefdc]ij/
+ hij
+ 0: hij
+
+/^(ab|cd)e/
+
+/(abc|)ef/
+ abcdef
+ 0: ef
+ 1:
+
+/(a|b)c*d/
+ abcd
+ 0: bcd
+ 1: b
+
+/(ab|ab*)bc/
+ abc
+ 0: abc
+ 1: a
+
+/a([bc]*)c*/
+ abc
+ 0: abc
+ 1: bc
+
+/a([bc]*)(c*d)/
+ abcd
+ 0: abcd
+ 1: bc
+ 2: d
+
+/a([bc]+)(c*d)/
+ abcd
+ 0: abcd
+ 1: bc
+ 2: d
+
+/a([bc]*)(c+d)/
+ abcd
+ 0: abcd
+ 1: b
+ 2: cd
+
+/a[bcd]*dcdcde/
+ adcdcde
+ 0: adcdcde
+
+/a[bcd]+dcdcde/
+ *** Failers
+No match
+ abcde
+No match
+ adcdcde
+No match
+
+/(ab|a)b*c/
+ abc
+ 0: abc
+ 1: ab
+
+/((a)(b)c)(d)/
+ abcd
+ 0: abcd
+ 1: abc
+ 2: a
+ 3: b
+ 4: d
+
+/[a-zA-Z_][a-zA-Z0-9_]*/
+ alpha
+ 0: alpha
+
+/^a(bc+|b[eh])g|.h$/
+ abh
+ 0: bh
+
+/(bc+d$|ef*g.|h?i(j|k))/
+ effgz
+ 0: effgz
+ 1: effgz
+ ij
+ 0: ij
+ 1: ij
+ 2: j
+ reffgz
+ 0: effgz
+ 1: effgz
+ *** Failers
+No match
+ effg
+No match
+ bcdd
+No match
+
+/((((((((((a))))))))))/
+ a
+ 0: a
+ 1: a
+ 2: a
+ 3: a
+ 4: a
+ 5: a
+ 6: a
+ 7: a
+ 8: a
+ 9: a
+10: a
+
+/((((((((((a))))))))))\10/
+ aa
+ 0: aa
+ 1: a
+ 2: a
+ 3: a
+ 4: a
+ 5: a
+ 6: a
+ 7: a
+ 8: a
+ 9: a
+10: a
+
+/(((((((((a)))))))))/
+ a
+ 0: a
+ 1: a
+ 2: a
+ 3: a
+ 4: a
+ 5: a
+ 6: a
+ 7: a
+ 8: a
+ 9: a
+
+/multiple words of text/
+ *** Failers
+No match
+ aa
+No match
+ uh-uh
+No match
+
+/multiple words/
+ multiple words, yeah
+ 0: multiple words
+
+/(.*)c(.*)/
+ abcde
+ 0: abcde
+ 1: ab
+ 2: de
+
+/\((.*), (.*)\)/
+ (a, b)
+ 0: (a, b)
+ 1: a
+ 2: b
+
+/[k]/
+
+/abcd/
+ abcd
+ 0: abcd
+
+/a(bc)d/
+ abcd
+ 0: abcd
+ 1: bc
+
+/a[-]?c/
+ ac
+ 0: ac
+
+/(abc)\1/
+ abcabc
+ 0: abcabc
+ 1: abc
+
+/([a-c]*)\1/
+ abcabc
+ 0: abcabc
+ 1: abc
+
+/(a)|\1/
+ a
+ 0: a
+ 1: a
+ *** Failers
+ 0: a
+ 1: a
+ ab
+ 0: a
+ 1: a
+ x
+No match
+
+/(([a-c])b*?\2)*/
+ ababbbcbc
+ 0: ababb
+ 1: bb
+ 2: b
+
+/(([a-c])b*?\2){3}/
+ ababbbcbc
+ 0: ababbbcbc
+ 1: cbc
+ 2: c
+
+/((\3|b)\2(a)x)+/
+ aaaxabaxbaaxbbax
+ 0: bbax
+ 1: bbax
+ 2: b
+ 3: a
+
+/((\3|b)\2(a)){2,}/
+ bbaababbabaaaaabbaaaabba
+ 0: bbaaaabba
+ 1: bba
+ 2: b
+ 3: a
+
+/abc/i
+ ABC
+ 0: ABC
+ XABCY
+ 0: ABC
+ ABABC
+ 0: ABC
+ *** Failers
+No match
+ aaxabxbaxbbx
+No match
+ XBC
+No match
+ AXC
+No match
+ ABX
+No match
+
+/ab*c/i
+ ABC
+ 0: ABC
+
+/ab*bc/i
+ ABC
+ 0: ABC
+ ABBC
+ 0: ABBC
+
+/ab*?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{0,}?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab+?bc/i
+ ABBC
+ 0: ABBC
+
+/ab+bc/i
+ *** Failers
+No match
+ ABC
+No match
+ ABQ
+No match
+
+/ab{1,}bc/i
+
+/ab+bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{1,}?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{1,3}?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{3,4}?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{4,5}?bc/i
+ *** Failers
+No match
+ ABQ
+No match
+ ABBBBC
+No match
+
+/ab??bc/i
+ ABBC
+ 0: ABBC
+ ABC
+ 0: ABC
+
+/ab{0,1}?bc/i
+ ABC
+ 0: ABC
+
+/ab??bc/i
+
+/ab??c/i
+ ABC
+ 0: ABC
+
+/ab{0,1}?c/i
+ ABC
+ 0: ABC
+
+/^abc$/i
+ ABC
+ 0: ABC
+ *** Failers
+No match
+ ABBBBC
+No match
+ ABCC
+No match
+
+/^abc/i
+ ABCC
+ 0: ABC
+
+/^abc$/i
+
+/abc$/i
+ AABC
+ 0: ABC
+
+/^/i
+ ABC
+ 0:
+
+/$/i
+ ABC
+ 0:
+
+/a.c/i
+ ABC
+ 0: ABC
+ AXC
+ 0: AXC
+
+/a.*?c/i
+ AXYZC
+ 0: AXYZC
+
+/a.*c/i
+ *** Failers
+No match
+ AABC
+ 0: AABC
+ AXYZD
+No match
+
+/a[bc]d/i
+ ABD
+ 0: ABD
+
+/a[b-d]e/i
+ ACE
+ 0: ACE
+ *** Failers
+No match
+ ABC
+No match
+ ABD
+No match
+
+/a[b-d]/i
+ AAC
+ 0: AC
+
+/a[-b]/i
+ A-
+ 0: A-
+
+/a[b-]/i
+ A-
+ 0: A-
+
+/a]/i
+ A]
+ 0: A]
+
+/a[]]b/i
+ A]B
+ 0: A]B
+
+/a[^bc]d/i
+ AED
+ 0: AED
+
+/a[^-b]c/i
+ ADC
+ 0: ADC
+ *** Failers
+No match
+ ABD
+No match
+ A-C
+No match
+
+/a[^]b]c/i
+ ADC
+ 0: ADC
+
+/ab|cd/i
+ ABC
+ 0: AB
+ ABCD
+ 0: AB
+
+/()ef/i
+ DEF
+ 0: EF
+ 1:
+
+/$b/i
+ *** Failers
+No match
+ A]C
+No match
+ B
+No match
+
+/a\(b/i
+ A(B
+ 0: A(B
+
+/a\(*b/i
+ AB
+ 0: AB
+ A((B
+ 0: A((B
+
+/a\\b/i
+ A\B
+No match
+
+/((a))/i
+ ABC
+ 0: A
+ 1: A
+ 2: A
+
+/(a)b(c)/i
+ ABC
+ 0: ABC
+ 1: A
+ 2: C
+
+/a+b+c/i
+ AABBABC
+ 0: ABC
+
+/a{1,}b{1,}c/i
+ AABBABC
+ 0: ABC
+
+/a.+?c/i
+ ABCABC
+ 0: ABC
+
+/a.*?c/i
+ ABCABC
+ 0: ABC
+
+/a.{0,5}?c/i
+ ABCABC
+ 0: ABC
+
+/(a+|b)*/i
+ AB
+ 0: AB
+ 1: B
+
+/(a+|b){0,}/i
+ AB
+ 0: AB
+ 1: B
+
+/(a+|b)+/i
+ AB
+ 0: AB
+ 1: B
+
+/(a+|b){1,}/i
+ AB
+ 0: AB
+ 1: B
+
+/(a+|b)?/i
+ AB
+ 0: A
+ 1: A
+
+/(a+|b){0,1}/i
+ AB
+ 0: A
+ 1: A
+
+/(a+|b){0,1}?/i
+ AB
+ 0:
+
+/[^ab]*/i
+ CDE
+ 0: CDE
+
+/abc/i
+
+/a*/i
+
+
+/([abc])*d/i
+ ABBBCD
+ 0: ABBBCD
+ 1: C
+
+/([abc])*bcd/i
+ ABCD
+ 0: ABCD
+ 1: A
+
+/a|b|c|d|e/i
+ E
+ 0: E
+
+/(a|b|c|d|e)f/i
+ EF
+ 0: EF
+ 1: E
+
+/abcd*efg/i
+ ABCDEFG
+ 0: ABCDEFG
+
+/ab*/i
+ XABYABBBZ
+ 0: AB
+ XAYABBBZ
+ 0: A
+
+/(ab|cd)e/i
+ ABCDE
+ 0: CDE
+ 1: CD
+
+/[abhgefdc]ij/i
+ HIJ
+ 0: HIJ
+
+/^(ab|cd)e/i
+ ABCDE
+No match
+
+/(abc|)ef/i
+ ABCDEF
+ 0: EF
+ 1:
+
+/(a|b)c*d/i
+ ABCD
+ 0: BCD
+ 1: B
+
+/(ab|ab*)bc/i
+ ABC
+ 0: ABC
+ 1: A
+
+/a([bc]*)c*/i
+ ABC
+ 0: ABC
+ 1: BC
+
+/a([bc]*)(c*d)/i
+ ABCD
+ 0: ABCD
+ 1: BC
+ 2: D
+
+/a([bc]+)(c*d)/i
+ ABCD
+ 0: ABCD
+ 1: BC
+ 2: D
+
+/a([bc]*)(c+d)/i
+ ABCD
+ 0: ABCD
+ 1: B
+ 2: CD
+
+/a[bcd]*dcdcde/i
+ ADCDCDE
+ 0: ADCDCDE
+
+/a[bcd]+dcdcde/i
+
+/(ab|a)b*c/i
+ ABC
+ 0: ABC
+ 1: AB
+
+/((a)(b)c)(d)/i
+ ABCD
+ 0: ABCD
+ 1: ABC
+ 2: A
+ 3: B
+ 4: D
+
+/[a-zA-Z_][a-zA-Z0-9_]*/i
+ ALPHA
+ 0: ALPHA
+
+/^a(bc+|b[eh])g|.h$/i
+ ABH
+ 0: BH
+
+/(bc+d$|ef*g.|h?i(j|k))/i
+ EFFGZ
+ 0: EFFGZ
+ 1: EFFGZ
+ IJ
+ 0: IJ
+ 1: IJ
+ 2: J
+ REFFGZ
+ 0: EFFGZ
+ 1: EFFGZ
+ *** Failers
+No match
+ ADCDCDE
+No match
+ EFFG
+No match
+ BCDD
+No match
+
+/((((((((((a))))))))))/i
+ A
+ 0: A
+ 1: A
+ 2: A
+ 3: A
+ 4: A
+ 5: A
+ 6: A
+ 7: A
+ 8: A
+ 9: A
+10: A
+
+/((((((((((a))))))))))\10/i
+ AA
+ 0: AA
+ 1: A
+ 2: A
+ 3: A
+ 4: A
+ 5: A
+ 6: A
+ 7: A
+ 8: A
+ 9: A
+10: A
+
+/(((((((((a)))))))))/i
+ A
+ 0: A
+ 1: A
+ 2: A
+ 3: A
+ 4: A
+ 5: A
+ 6: A
+ 7: A
+ 8: A
+ 9: A
+
+/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))/i
+ A
+ 0: A
+ 1: A
+
+/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/i
+ C
+ 0: C
+ 1: C
+
+/multiple words of text/i
+ *** Failers
+No match
+ AA
+No match
+ UH-UH
+No match
+
+/multiple words/i
+ MULTIPLE WORDS, YEAH
+ 0: MULTIPLE WORDS
+
+/(.*)c(.*)/i
+ ABCDE
+ 0: ABCDE
+ 1: AB
+ 2: DE
+
+/\((.*), (.*)\)/i
+ (A, B)
+ 0: (A, B)
+ 1: A
+ 2: B
+
+/[k]/i
+
+/abcd/i
+ ABCD
+ 0: ABCD
+
+/a(bc)d/i
+ ABCD
+ 0: ABCD
+ 1: BC
+
+/a[-]?c/i
+ AC
+ 0: AC
+
+/(abc)\1/i
+ ABCABC
+ 0: ABCABC
+ 1: ABC
+
+/([a-c]*)\1/i
+ ABCABC
+ 0: ABCABC
+ 1: ABC
+
+/a(?!b)./
+ abad
+ 0: ad
+
+/a(?=d)./
+ abad
+ 0: ad
+
+/a(?=c|d)./
+ abad
+ 0: ad
+
+/a(?:b|c|d)(.)/
+ ace
+ 0: ace
+ 1: e
+
+/a(?:b|c|d)*(.)/
+ ace
+ 0: ace
+ 1: e
+
+/a(?:b|c|d)+?(.)/
+ ace
+ 0: ace
+ 1: e
+ acdbcdbe
+ 0: acd
+ 1: d
+
+/a(?:b|c|d)+(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: e
+
+/a(?:b|c|d){2}(.)/
+ acdbcdbe
+ 0: acdb
+ 1: b
+
+/a(?:b|c|d){4,5}(.)/
+ acdbcdbe
+ 0: acdbcdb
+ 1: b
+
+/a(?:b|c|d){4,5}?(.)/
+ acdbcdbe
+ 0: acdbcd
+ 1: d
+
+/((foo)|(bar))*/
+ foobar
+ 0: foobar
+ 1: bar
+ 2: foo
+ 3: bar
+
+/a(?:b|c|d){6,7}(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: e
+
+/a(?:b|c|d){6,7}?(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: e
+
+/a(?:b|c|d){5,6}(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: e
+
+/a(?:b|c|d){5,6}?(.)/
+ acdbcdbe
+ 0: acdbcdb
+ 1: b
+
+/a(?:b|c|d){5,7}(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: e
+
+/a(?:b|c|d){5,7}?(.)/
+ acdbcdbe
+ 0: acdbcdb
+ 1: b
+
+/a(?:b|(c|e){1,2}?|d)+?(.)/
+ ace
+ 0: ace
+ 1: c
+ 2: e
+
+/^(.+)?B/
+ AB
+ 0: AB
+ 1: A
+
+/^([^a-z])|(\^)$/
+ .
+ 0: .
+ 1: .
+
+/^[<>]&/
+ <&OUT
+ 0: <&
+
+/^(a\1?){4}$/
+ aaaaaaaaaa
+ 0: aaaaaaaaaa
+ 1: aaaa
+ *** Failers
+No match
+ AB
+No match
+ aaaaaaaaa
+No match
+ aaaaaaaaaaa
+No match
+
+/^(a(?(1)\1)){4}$/
+ aaaaaaaaaa
+ 0: aaaaaaaaaa
+ 1: aaaa
+ *** Failers
+No match
+ aaaaaaaaa
+No match
+ aaaaaaaaaaa
+No match
+
+/(?:(f)(o)(o)|(b)(a)(r))*/
+ foobar
+ 0: foobar
+ 1: f
+ 2: o
+ 3: o
+ 4: b
+ 5: a
+ 6: r
+
+/(?<=a)b/
+ ab
+ 0: b
+ *** Failers
+No match
+ cb
+No match
+ b
+No match
+
+/(?<!c)b/
+ ab
+ 0: b
+ b
+ 0: b
+ b
+ 0: b
+
+/(?:..)*a/
+ aba
+ 0: aba
+
+/(?:..)*?a/
+ aba
+ 0: a
+
+/^(?:b|a(?=(.)))*\1/
+ abc
+ 0: ab
+ 1: b
+
+/^(){3,5}/
+ abc
+ 0:
+ 1:
+
+/^(a+)*ax/
+ aax
+ 0: aax
+ 1: a
+
+/^((a|b)+)*ax/
+ aax
+ 0: aax
+ 1: a
+ 2: a
+
+/^((a|bc)+)*ax/
+ aax
+ 0: aax
+ 1: a
+ 2: a
+
+/(a|x)*ab/
+ cab
+ 0: ab
+
+/(a)*ab/
+ cab
+ 0: ab
+
+/(?:(?i)a)b/
+ ab
+ 0: ab
+
+/((?i)a)b/
+ ab
+ 0: ab
+ 1: a
+
+/(?:(?i)a)b/
+ Ab
+ 0: Ab
+
+/((?i)a)b/
+ Ab
+ 0: Ab
+ 1: A
+
+/(?:(?i)a)b/
+ *** Failers
+No match
+ cb
+No match
+ aB
+No match
+
+/((?i)a)b/
+
+/(?i:a)b/
+ ab
+ 0: ab
+
+/((?i:a))b/
+ ab
+ 0: ab
+ 1: a
+
+/(?i:a)b/
+ Ab
+ 0: Ab
+
+/((?i:a))b/
+ Ab
+ 0: Ab
+ 1: A
+
+/(?i:a)b/
+ *** Failers
+No match
+ aB
+No match
+ aB
+No match
+
+/((?i:a))b/
+
+/(?:(?-i)a)b/i
+ ab
+ 0: ab
+
+/((?-i)a)b/i
+ ab
+ 0: ab
+ 1: a
+
+/(?:(?-i)a)b/i
+ aB
+ 0: aB
+
+/((?-i)a)b/i
+ aB
+ 0: aB
+ 1: a
+
+/(?:(?-i)a)b/i
+ *** Failers
+No match
+ aB
+ 0: aB
+ Ab
+No match
+
+/((?-i)a)b/i
+
+/(?:(?-i)a)b/i
+ aB
+ 0: aB
+
+/((?-i)a)b/i
+ aB
+ 0: aB
+ 1: a
+
+/(?:(?-i)a)b/i
+ *** Failers
+No match
+ Ab
+No match
+ AB
+No match
+
+/((?-i)a)b/i
+
+/(?-i:a)b/i
+ ab
+ 0: ab
+
+/((?-i:a))b/i
+ ab
+ 0: ab
+ 1: a
+
+/(?-i:a)b/i
+ aB
+ 0: aB
+
+/((?-i:a))b/i
+ aB
+ 0: aB
+ 1: a
+
+/(?-i:a)b/i
+ *** Failers
+No match
+ AB
+No match
+ Ab
+No match
+
+/((?-i:a))b/i
+
+/(?-i:a)b/i
+ aB
+ 0: aB
+
+/((?-i:a))b/i
+ aB
+ 0: aB
+ 1: a
+
+/(?-i:a)b/i
+ *** Failers
+No match
+ Ab
+No match
+ AB
+No match
+
+/((?-i:a))b/i
+
+/((?-i:a.))b/i
+ *** Failers
+No match
+ AB
+No match
+ a\nB
+No match
+
+/((?s-i:a.))b/i
+ a\nB
+ 0: a\x0aB
+ 1: a\x0a
+
+/(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))/
+ cabbbb
+ 0: cabbbb
+
+/(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/
+ caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+ 0: caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+
+/(ab)\d\1/i
+ Ab4ab
+ 0: Ab4ab
+ 1: Ab
+ ab4Ab
+ 0: ab4Ab
+ 1: ab
+
+/foo\w*\d{4}baz/
+ foobar1234baz
+ 0: foobar1234baz
+
+/x(~~)*(?:(?:F)?)?/
+ x~~
+ 0: x~~
+ 1: ~~
+
+/^a(?#xxx){3}c/
+ aaac
+ 0: aaac
+
+/^a (?#xxx) (?#yyy) {3}c/x
+ aaac
+ 0: aaac
+
+/(?<![cd])b/
+ *** Failers
+No match
+ B\nB
+No match
+ dbcb
+No match
+
+/(?<![cd])[ab]/
+ dbaacb
+ 0: a
+
+/(?<!(c|d))b/
+
+/(?<!(c|d))[ab]/
+ dbaacb
+ 0: a
+
+/(?<!cd)[ab]/
+ cdaccb
+ 0: b
+
+/^(?:a?b?)*$/
+ \
+ 0:
+ a
+ 0: a
+ ab
+ 0: ab
+ aaa
+ 0: aaa
+ *** Failers
+No match
+ dbcb
+No match
+ a--
+No match
+ aa--
+No match
+
+/((?s)^a(.))((?m)^b$)/
+ a\nb\nc\n
+ 0: a\x0ab
+ 1: a\x0a
+ 2: \x0a
+ 3: b
+
+/((?m)^b$)/
+ a\nb\nc\n
+ 0: b
+ 1: b
+
+/(?m)^b/
+ a\nb\n
+ 0: b
+
+/(?m)^(b)/
+ a\nb\n
+ 0: b
+ 1: b
+
+/((?m)^b)/
+ a\nb\n
+ 0: b
+ 1: b
+
+/\n((?m)^b)/
+ a\nb\n
+ 0: \x0ab
+ 1: b
+
+/((?s).)c(?!.)/
+ a\nb\nc\n
+ 0: \x0ac
+ 1: \x0a
+ a\nb\nc\n
+ 0: \x0ac
+ 1: \x0a
+
+/((?s)b.)c(?!.)/
+ a\nb\nc\n
+ 0: b\x0ac
+ 1: b\x0a
+ a\nb\nc\n
+ 0: b\x0ac
+ 1: b\x0a
+
+/^b/
+
+/()^b/
+ *** Failers
+No match
+ a\nb\nc\n
+No match
+ a\nb\nc\n
+No match
+
+/((?m)^b)/
+ a\nb\nc\n
+ 0: b
+ 1: b
+
+/(x)?(?(1)a|b)/
+ *** Failers
+No match
+ a
+No match
+ a
+No match
+
+/(x)?(?(1)b|a)/
+ a
+ 0: a
+
+/()?(?(1)b|a)/
+ a
+ 0: a
+
+/()(?(1)b|a)/
+
+/()?(?(1)a|b)/
+ a
+ 0: a
+ 1:
+
+/^(\()?blah(?(1)(\)))$/
+ (blah)
+ 0: (blah)
+ 1: (
+ 2: )
+ blah
+ 0: blah
+ *** Failers
+No match
+ a
+No match
+ blah)
+No match
+ (blah
+No match
+
+/^(\(+)?blah(?(1)(\)))$/
+ (blah)
+ 0: (blah)
+ 1: (
+ 2: )
+ blah
+ 0: blah
+ *** Failers
+No match
+ blah)
+No match
+ (blah
+No match
+
+/(?(?!a)a|b)/
+
+/(?(?!a)b|a)/
+ a
+ 0: a
+
+/(?(?=a)b|a)/
+ *** Failers
+No match
+ a
+No match
+ a
+No match
+
+/(?(?=a)a|b)/
+ a
+ 0: a
+
+/(?=(a+?))(\1ab)/
+ aaab
+ 0: aab
+ 1: a
+ 2: aab
+
+/^(?=(a+?))\1ab/
+
+/(\w+:)+/
+ one:
+ 0: one:
+ 1: one:
+
+/$(?<=^(a))/
+ a
+ 0:
+ 1: a
+
+/(?=(a+?))(\1ab)/
+ aaab
+ 0: aab
+ 1: a
+ 2: aab
+
+/^(?=(a+?))\1ab/
+ *** Failers
+No match
+ aaab
+No match
+ aaab
+No match
+
+/([\w:]+::)?(\w+)$/
+ abcd
+ 0: abcd
+ 1: <unset>
+ 2: abcd
+ xy:z:::abcd
+ 0: xy:z:::abcd
+ 1: xy:z:::
+ 2: abcd
+
+/^[^bcd]*(c+)/
+ aexycd
+ 0: aexyc
+ 1: c
+
+/(a*)b+/
+ caab
+ 0: aab
+ 1: aa
+
+/([\w:]+::)?(\w+)$/
+ abcd
+ 0: abcd
+ 1: <unset>
+ 2: abcd
+ xy:z:::abcd
+ 0: xy:z:::abcd
+ 1: xy:z:::
+ 2: abcd
+ *** Failers
+ 0: Failers
+ 1: <unset>
+ 2: Failers
+ abcd:
+No match
+ abcd:
+No match
+
+/^[^bcd]*(c+)/
+ aexycd
+ 0: aexyc
+ 1: c
+
+/(>a+)ab/
+
+/(?>a+)b/
+ aaab
+ 0: aaab
+
+/([[:]+)/
+ a:[b]:
+ 0: :[
+ 1: :[
+
+/([[=]+)/
+ a=[b]=
+ 0: =[
+ 1: =[
+
+/([[.]+)/
+ a.[b].
+ 0: .[
+ 1: .[
+
+/((?>a+)b)/
+ aaab
+ 0: aaab
+ 1: aaab
+
+/(?>(a+))b/
+ aaab
+ 0: aaab
+ 1: aaa
+
+/((?>[^()]+)|\([^()]*\))+/
+ ((abc(ade)ufh()()x
+ 0: abc(ade)ufh()()x
+ 1: x
+
+/a\Z/
+ *** Failers
+No match
+ aaab
+No match
+ a\nb\n
+No match
+
+/b\Z/
+ a\nb\n
+ 0: b
+
+/b\z/
+
+/b\Z/
+ a\nb
+ 0: b
+
+/b\z/
+ a\nb
+ 0: b
+ *** Failers
+No match
+
+/^(?>(?(1)\.|())[^\W_](?>[a-z0-9-]*[^\W_])?)+$/
+ a
+ 0: a
+ 1:
+ abc
+ 0: abc
+ 1:
+ a-b
+ 0: a-b
+ 1:
+ 0-9
+ 0: 0-9
+ 1:
+ a.b
+ 0: a.b
+ 1:
+ 5.6.7
+ 0: 5.6.7
+ 1:
+ the.quick.brown.fox
+ 0: the.quick.brown.fox
+ 1:
+ a100.b200.300c
+ 0: a100.b200.300c
+ 1:
+ 12-ab.1245
+ 0: 12-ab.1245
+ 1:
+ *** Failers
+No match
+ \
+No match
+ .a
+No match
+ -a
+No match
+ a-
+No match
+ a.
+No match
+ a_b
+No match
+ a.-
+No match
+ a..
+No match
+ ab..bc
+No match
+ the.quick.brown.fox-
+No match
+ the.quick.brown.fox.
+No match
+ the.quick.brown.fox_
+No match
+ the.quick.brown.fox+
+No match
+
+/(?>.*)(?<=(abcd|wxyz))/
+ alphabetabcd
+ 0: alphabetabcd
+ 1: abcd
+ endingwxyz
+ 0: endingwxyz
+ 1: wxyz
+ *** Failers
+No match
+ a rather long string that doesn't end with one of them
+No match
+
+/word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword/
+ word cat dog elephant mussel cow horse canary baboon snake shark otherword
+ 0: word cat dog elephant mussel cow horse canary baboon snake shark otherword
+ word cat dog elephant mussel cow horse canary baboon snake shark
+No match
+
+/word (?>[a-zA-Z0-9]+ ){0,30}otherword/
+ 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
+No match
+
+/(?<=\d{3}(?!999))foo/
+ 999foo
+ 0: foo
+ 123999foo
+ 0: foo
+ *** Failers
+No match
+ 123abcfoo
+No match
+
+/(?<=(?!...999)\d{3})foo/
+ 999foo
+ 0: foo
+ 123999foo
+ 0: foo
+ *** Failers
+No match
+ 123abcfoo
+No match
+
+/(?<=\d{3}(?!999)...)foo/
+ 123abcfoo
+ 0: foo
+ 123456foo
+ 0: foo
+ *** Failers
+No match
+ 123999foo
+No match
+
+/(?<=\d{3}...)(?<!999)foo/
+ 123abcfoo
+ 0: foo
+ 123456foo
+ 0: foo
+ *** Failers
+No match
+ 123999foo
+No match
+
+/<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
+/isx
+ <a href=abcd xyz
+ 0: <a href=abcd
+ 1: <unset>
+ 2: <unset>
+ 3: abcd
+ <a href=\"abcd xyz pqr\" cats
+ 0: <a href="abcd xyz pqr"
+ 1: "
+ 2: abcd xyz pqr
+ <a href=\'abcd xyz pqr\' cats
+ 0: <a href='abcd xyz pqr'
+ 1: '
+ 2: abcd xyz pqr
+
+/<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
+/isx
+ <a href=abcd xyz
+ 0: <a href=abcd
+ 1: <unset>
+ 2: <unset>
+ 3: abcd
+ <a href=\"abcd xyz pqr\" cats
+ 0: <a href="abcd xyz pqr"
+ 1: "
+ 2: abcd xyz pqr
+ <a href = \'abcd xyz pqr\' cats
+ 0: <a href = 'abcd xyz pqr'
+ 1: '
+ 2: abcd xyz pqr
+
+/<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
+/isx
+ <a href=abcd xyz
+ 0: <a href=abcd
+ 1: <unset>
+ 2: <unset>
+ 3: abcd
+ <a href=\"abcd xyz pqr\" cats
+ 0: <a href="abcd xyz pqr"
+ 1: "
+ 2: abcd xyz pqr
+ <a href = \'abcd xyz pqr\' cats
+ 0: <a href = 'abcd xyz pqr'
+ 1: '
+ 2: abcd xyz pqr
+
+/((Z)+|A)*/
+ ZABCDEFG
+ 0: ZA
+ 1: A
+ 2: Z
+
+/(Z()|A)*/
+ ZABCDEFG
+ 0: ZA
+ 1: A
+ 2:
+
+/(Z(())|A)*/
+ ZABCDEFG
+ 0: ZA
+ 1: A
+ 2:
+ 3:
+
+/((?>Z)+|A)*/
+ ZABCDEFG
+ 0: ZA
+ 1: A
+
+/((?>)+|A)*/
+ ZABCDEFG
+ 0:
+ 1:
+
+/a*/g
+ abbab
+ 0: a
+ 0:
+ 0:
+ 0: a
+ 0:
+ 0:
+
+/^[a-\d]/
+ abcde
+ 0: a
+ -things
+ 0: -
+ 0digit
+ 0: 0
+ *** Failers
+No match
+ bcdef
+No match
+
+/^[\d-a]/
+ abcde
+ 0: a
+ -things
+ 0: -
+ 0digit
+ 0: 0
+ *** Failers
+No match
+ bcdef
+No match
+
+/[[:space:]]+/
+ > \x09\x0a\x0c\x0d\x0b<
+ 0: \x09\x0a\x0c\x0d\x0b
+
+/[[:blank:]]+/
+ > \x09\x0a\x0c\x0d\x0b<
+ 0: \x09
+
+/[\s]+/
+ > \x09\x0a\x0c\x0d\x0b<
+ 0: \x09\x0a\x0c\x0d
+
+/\s+/
+ > \x09\x0a\x0c\x0d\x0b<
+ 0: \x09\x0a\x0c\x0d
+
+/a b/x
+ ab
+No match
+
+/(?!\A)x/m
+ a\nxb\n
+ 0: x
+
+/(?!^)x/m
+ a\nxb\n
+No match
+
+/abc\Qabc\Eabc/
+ abcabcabc
+ 0: abcabcabc
+
+/abc\Q(*+|\Eabc/
+ abc(*+|abc
+ 0: abc(*+|abc
+
+/ abc\Q abc\Eabc/x
+ abc abcabc
+ 0: abc abcabc
+ *** Failers
+No match
+ abcabcabc
+No match
+
+/abc#comment
+ \Q#not comment
+ literal\E/x
+ abc#not comment\n literal
+ 0: abc#not comment\x0a literal
+
+/abc#comment
+ \Q#not comment
+ literal/x
+ abc#not comment\n literal
+ 0: abc#not comment\x0a literal
+
+/abc#comment
+ \Q#not comment
+ literal\E #more comment
+ /x
+ abc#not comment\n literal
+ 0: abc#not comment\x0a literal
+
+/abc#comment
+ \Q#not comment
+ literal\E #more comment/x
+ abc#not comment\n literal
+ 0: abc#not comment\x0a literal
+
+/\Qabc\$xyz\E/
+ abc\\\$xyz
+ 0: abc\$xyz
+
+/\Qabc\E\$\Qxyz\E/
+ abc\$xyz
+ 0: abc$xyz
+
+/\Gabc/
+ abc
+ 0: abc
+ *** Failers
+No match
+ xyzabc
+No match
+
+/\Gabc./g
+ abc1abc2xyzabc3
+ 0: abc1
+ 0: abc2
+
+/abc./g
+ abc1abc2xyzabc3
+ 0: abc1
+ 0: abc2
+ 0: abc3
+
+/a(?x: b c )d/
+ XabcdY
+ 0: abcd
+ *** Failers
+No match
+ Xa b c d Y
+No match
+
+/((?x)x y z | a b c)/
+ XabcY
+ 0: abc
+ 1: abc
+ AxyzB
+ 0: xyz
+ 1: xyz
+
+/(?i)AB(?-i)C/
+ XabCY
+ 0: abC
+ *** Failers
+No match
+ XabcY
+No match
+
+/((?i)AB(?-i)C|D)E/
+ abCE
+ 0: abCE
+ 1: abC
+ DE
+ 0: DE
+ 1: D
+ *** Failers
+No match
+ abcE
+No match
+ abCe
+No match
+ dE
+No match
+ De
+No match
+
+/(.*)\d+\1/
+ abc123abc
+ 0: abc123abc
+ 1: abc
+ abc123bc
+ 0: bc123bc
+ 1: bc
+
+/(.*)\d+\1/s
+ abc123abc
+ 0: abc123abc
+ 1: abc
+ abc123bc
+ 0: bc123bc
+ 1: bc
+
+/((.*))\d+\1/
+ abc123abc
+ 0: abc123abc
+ 1: abc
+ 2: abc
+ abc123bc
+ 0: bc123bc
+ 1: bc
+ 2: bc
+
+/-- This tests for an IPv6 address in the form where it can have up to --/
+/-- eight components, one and only one of which is empty. This must be --/
+No match
+/-- an internal component. --/
+No match
+
+/^(?!:) # 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
+ /xi
+ a123::a123
+ 0: a123::a123
+ 1:
+ a123:b342::abcd
+ 0: a123:b342::abcd
+ 1:
+ a123:b342::324e:abcd
+ 0: a123:b342::324e:abcd
+ 1:
+ a123:ddde:b342::324e:abcd
+ 0: a123:ddde:b342::324e:abcd
+ 1:
+ a123:ddde:b342::324e:dcba:abcd
+ 0: a123:ddde:b342::324e:dcba:abcd
+ 1:
+ a123:ddde:9999:b342::324e:dcba:abcd
+ 0: a123:ddde:9999:b342::324e:dcba:abcd
+ 1:
+ *** Failers
+No match
+ 1:2:3:4:5:6:7:8
+No match
+ a123:bce:ddde:9999:b342::324e:dcba:abcd
+No match
+ a123::9999:b342::324e:dcba:abcd
+No match
+ abcde:2:3:4:5:6:7:8
+No match
+ ::1
+No match
+ abcd:fee0:123::
+No match
+ :1
+No match
+ 1:
+No match
+
+/[z\Qa-d]\E]/
+ z
+ 0: z
+ a
+ 0: a
+ -
+ 0: -
+ d
+ 0: d
+ ]
+ 0: ]
+ *** Failers
+ 0: a
+ b
+No match
+
+/[\z\C]/
+ z
+ 0: z
+ C
+ 0: C
+
+/\M/
+ M
+ 0: M
+
+/(a+)*b/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+
+/(?i)reg(?:ul(?:[a�]|ae)r|ex)/
+ REGular
+ 0: REGular
+ regulaer
+ 0: regulaer
+ Regex
+ 0: Regex
+ regul�r
+ 0: regul\xe4r
+
+/����[�-��-�]+/
+ �����
+ 0: \xc5\xe6\xe5\xe4\xe0
+ �����
+ 0: \xc5\xe6\xe5\xe4\xff
+ �����
+ 0: \xc5\xe6\xe5\xe4\xc0
+ �����
+ 0: \xc5\xe6\xe5\xe4\xdf
+
+/(?<=Z)X./
+ \x84XAZXB
+ 0: XB
+
+/ab cd (?x) de fg/
+ ab cd defg
+ 0: ab cd defg
+
+/ab cd(?x) de fg/
+ ab cddefg
+ 0: ab cddefg
+ ** Failers
+No match
+ abcddefg
+No match
+
+/(?<![^f]oo)(bar)/
+ foobarX
+ 0: bar
+ 1: bar
+ ** Failers
+No match
+ boobarX
+No match
+
+/(?<![^f])X/
+ offX
+ 0: X
+ ** Failers
+No match
+ onyX
+No match
+
+/(?<=[^f])X/
+ onyX
+ 0: X
+ ** Failers
+No match
+ offX
+No match
+
+/^/mg
+ a\nb\nc\n
+ 0:
+ 0:
+ 0:
+ \
+ 0:
+
+/(?<=C\n)^/mg
+ A\nC\nC\n
+ 0:
+
+/(?:(?(1)a|b)(X))+/
+ bXaX
+ 0: bXaX
+ 1: X
+
+/(?:(?(1)\1a|b)(X|Y))+/
+ bXXaYYaY
+ 0: bXXaYYaY
+ 1: Y
+ bXYaXXaX
+ 0: bX
+ 1: X
+
+/()()()()()()()()()(?:(?(10)\10a|b)(X|Y))+/
+ bXXaYYaY
+ 0: bX
+ 1:
+ 2:
+ 3:
+ 4:
+ 5:
+ 6:
+ 7:
+ 8:
+ 9:
+10: X
+
+/[[,abc,]+]/
+ abc]
+ 0: abc]
+ a,b]
+ 0: a,b]
+ [a,b,c]
+ 0: [a,b,c]
+
+/(?-x: )/x
+ A\x20B
+ 0:
+
+"(?x)(?-x: \s*#\s*)"
+ A # B
+ 0: #
+ ** Failers
+No match
+ #
+No match
+
+"(?x-is)(?:(?-ixs) \s*#\s*) include"
+ A #include
+ 0: #include
+ ** Failers
+No match
+ A#include
+No match
+ A #Include
+No match
+
+/a*b*\w/
+ aaabbbb
+ 0: aaabbbb
+ aaaa
+ 0: aaaa
+ a
+ 0: a
+
+/a*b?\w/
+ aaabbbb
+ 0: aaabb
+ aaaa
+ 0: aaaa
+ a
+ 0: a
+
+/a*b{0,4}\w/
+ aaabbbb
+ 0: aaabbbb
+ aaaa
+ 0: aaaa
+ a
+ 0: a
+
+/a*b{0,}\w/
+ aaabbbb
+ 0: aaabbbb
+ aaaa
+ 0: aaaa
+ a
+ 0: a
+
+/a*\d*\w/
+ 0a
+ 0: 0a
+ a
+ 0: a
+
+/a*b *\w/x
+ a
+ 0: a
+
+/a*b#comment
+ *\w/x
+ a
+ 0: a
+
+/a* b *\w/x
+ a
+ 0: a
+
+/^\w+=.*(\\\n.*)*/
+ abc=xyz\\\npqr
+ 0: abc=xyz\
+
+/(?=(\w+))\1:/
+ abcd:
+ 0: abcd:
+ 1: abcd
+
+/^(?=(\w+))\1:/
+ abcd:
+ 0: abcd:
+ 1: abcd
+
+/^\Eabc/
+ abc
+ 0: abc
+
+/^[\Eabc]/
+ a
+ 0: a
+ ** Failers
+No match
+ E
+No match
+
+/^[a-\Ec]/
+ b
+ 0: b
+ ** Failers
+No match
+ -
+No match
+ E
+No match
+
+/^[a\E\E-\Ec]/
+ b
+ 0: b
+ ** Failers
+No match
+ -
+No match
+ E
+No match
+
+/^[\E\Qa\E-\Qz\E]+/
+ b
+ 0: b
+ ** Failers
+No match
+ -
+No match
+
+/^[a\Q]bc\E]/
+ a
+ 0: a
+ ]
+ 0: ]
+ c
+ 0: c
+
+/^[a-\Q\E]/
+ a
+ 0: a
+ -
+ 0: -
+
+/^(a()*)*/
+ aaaa
+ 0: aaaa
+ 1: a
+ 2:
+
+/^(?:a(?:(?:))*)*/
+ aaaa
+ 0: aaaa
+
+/^(a()+)+/
+ aaaa
+ 0: aaaa
+ 1: a
+ 2:
+
+/^(?:a(?:(?:))+)+/
+ aaaa
+ 0: aaaa
+
+/(a){0,3}(?(1)b|(c|))*D/
+ abbD
+ 0: abbD
+ 1: a
+ ccccD
+ 0: ccccD
+ 1: <unset>
+ 2:
+ D
+ 0: D
+ 1: <unset>
+ 2:
+
+/(a|)*\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+ 1:
+
+/(?>a|)*\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+
+/(?:a|)*\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+
+/\Z/g
+ abc\n
+ 0:
+ 0:
+
+/^(?s)(?>.*)(?<!\n)/
+ abc
+ 0: abc
+ abc\n
+No match
+
+/^(?![^\n]*\n\z)/
+ abc
+ 0:
+ abc\n
+No match
+
+/\z(?<!\n)/
+ abc
+ 0:
+ abc\n
+No match
+
+/(.*(.)?)*/
+ abcd
+ 0: abcd
+ 1:
+
+/( (A | (?(1)0|) )* )/x
+ abcd
+ 0:
+ 1:
+ 2:
+
+/( ( (?(1)0|) )* )/x
+ abcd
+ 0:
+ 1:
+ 2:
+
+/( (?(1)0|)* )/x
+ abcd
+ 0:
+ 1:
+
+/[[:abcd:xyz]]/
+ a]
+ 0: a]
+ :]
+ 0: :]
+
+/[abc[:x\]pqr]/
+ a
+ 0: a
+ [
+ 0: [
+ :
+ 0: :
+ ]
+ 0: ]
+ p
+ 0: p
+
+/ End of testinput1 /
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput10 b/lib/stdlib/test/re_SUITE_data/testoutput10
new file mode 100644
index 0000000000..dbd59241ad
--- /dev/null
+++ b/lib/stdlib/test/re_SUITE_data/testoutput10
@@ -0,0 +1,669 @@
+/-- These are a few representative patterns whose lengths and offsets are to be
+shown when the link size is 2. This is just a doublecheck test to ensure the
+sizes don't go horribly wrong when something is changed. The pattern contents
+are all themselves checked in other tests. --/
+
+/((?i)b)/BM
+Memory allocation (code space): 21
+------------------------------------------------------------------
+ 0 17 Bra
+ 3 9 CBra 1
+ 8 01 Opt
+ 10 NC b
+ 12 9 Ket
+ 15 00 Opt
+ 17 17 Ket
+ 20 End
+------------------------------------------------------------------
+
+/(?s)(.*X|^B)/BM
+Memory allocation (code space): 25
+------------------------------------------------------------------
+ 0 21 Bra
+ 3 9 CBra 1
+ 8 Any*
+ 10 X
+ 12 6 Alt
+ 15 ^
+ 16 B
+ 18 15 Ket
+ 21 21 Ket
+ 24 End
+------------------------------------------------------------------
+
+/(?s:.*X|^B)/BM
+Memory allocation (code space): 29
+------------------------------------------------------------------
+ 0 25 Bra
+ 3 9 Bra
+ 6 04 Opt
+ 8 Any*
+ 10 X
+ 12 8 Alt
+ 15 04 Opt
+ 17 ^
+ 18 B
+ 20 17 Ket
+ 23 00 Opt
+ 25 25 Ket
+ 28 End
+------------------------------------------------------------------
+
+/^[[:alnum:]]/BM
+Memory allocation (code space): 41
+------------------------------------------------------------------
+ 0 37 Bra
+ 3 ^
+ 4 [0-9A-Za-z]
+ 37 37 Ket
+ 40 End
+------------------------------------------------------------------
+
+/#/IxMD
+Memory allocation (code space): 7
+------------------------------------------------------------------
+ 0 3 Bra
+ 3 3 Ket
+ 6 End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: extended
+No first char
+No need char
+
+/a#/IxMD
+Memory allocation (code space): 9
+------------------------------------------------------------------
+ 0 5 Bra
+ 3 a
+ 5 5 Ket
+ 8 End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: extended
+First char = 'a'
+No need char
+
+/x?+/BM
+Memory allocation (code space): 9
+------------------------------------------------------------------
+ 0 5 Bra
+ 3 x?+
+ 5 5 Ket
+ 8 End
+------------------------------------------------------------------
+
+/x++/BM
+Memory allocation (code space): 9
+------------------------------------------------------------------
+ 0 5 Bra
+ 3 x++
+ 5 5 Ket
+ 8 End
+------------------------------------------------------------------
+
+/x{1,3}+/BM
+Memory allocation (code space): 19
+------------------------------------------------------------------
+ 0 15 Bra
+ 3 9 Once
+ 6 x
+ 8 x{0,2}
+ 12 9 Ket
+ 15 15 Ket
+ 18 End
+------------------------------------------------------------------
+
+/(x)*+/BM
+Memory allocation (code space): 24
+------------------------------------------------------------------
+ 0 20 Bra
+ 3 14 Once
+ 6 Brazero
+ 7 7 CBra 1
+ 12 x
+ 14 7 KetRmax
+ 17 14 Ket
+ 20 20 Ket
+ 23 End
+------------------------------------------------------------------
+
+/^((a+)(?U)([ab]+)(?-U)([bc]+)(\w*))/BM
+Memory allocation (code space): 120
+------------------------------------------------------------------
+ 0 116 Bra
+ 3 ^
+ 4 109 CBra 1
+ 9 7 CBra 2
+ 14 a+
+ 16 7 Ket
+ 19 39 CBra 3
+ 24 [ab]+?
+ 58 39 Ket
+ 61 39 CBra 4
+ 66 [bc]+
+100 39 Ket
+103 7 CBra 5
+108 \w*
+110 7 Ket
+113 109 Ket
+116 116 Ket
+119 End
+------------------------------------------------------------------
+
+|8J\$WE\<\.rX\+ix\[d1b\!H\#\?vV0vrK\:ZH1\=2M\>iV\;\?aPhFB\<\*vW\@QW\@sO9\}cfZA\-i\'w\%hKd6gt1UJP\,15_\#QY\$M\^Mss_U\/\]\&LK9\[5vQub\^w\[KDD\<EjmhUZ\?\.akp2dF\>qmj\;2\}YWFdYx\.Ap\]hjCPTP\(n28k\+3\;o\&WXqs\/gOXdr\$\:r\'do0\;b4c\(f_Gr\=\"\\4\)\[01T7ajQJvL\$W\~mL_sS\/4h\:x\*\[ZN\=KLs\&L5zX\/\/\>it\,o\:aU\(\;Z\>pW\&T7oP\'2K\^E\:x9\'c\[\%z\-\,64JQ5AeH_G\#KijUKghQw\^\\vea3a\?kka_G\$8\#\`\*kynsxzBLru\'\]k_\[7FrVx\}\^\=\$blx\>s\-N\%j\;D\*aZDnsw\:YKZ\%Q\.Kne9\#hP\?\+b3\(SOvL\,\^\;\&u5\@\?5C5Bhb\=m\-vEh_L15Jl\]U\)0RP6\{q\%L\^_z5E\'Dw6X\b|BM
+Memory allocation (code space): 826
+------------------------------------------------------------------
+ 0 822 Bra
+ 3 8J$WE<.rX+ix[d1b!H#?vV0vrK:ZH1=2M>iV;?aPhFB<*vW@QW@sO9}cfZA-i'w%hKd6gt1UJP,15_#QY$M^Mss_U/]&LK9[5vQub^w[KDD<EjmhUZ?.akp2dF>qmj;2}YWFdYx.Ap]hjCPTP(n28k+3;o&WXqs/gOXdr$:r'do0;b4c(f_Gr="\4)[01T7ajQJvL$W~mL_sS/4h:x*[ZN=KLs&L5zX//>it,o:aU(;Z>pW&T7oP'2K^E:x9'c[%z-,64JQ5AeH_G#KijUKghQw^\vea3a?kka_G$8#`*kynsxzBLru']k_[7FrVx}^=$blx>s-N%j;D*aZDnsw:YKZ%Q.Kne9#hP?+b3(SOvL,^;&u5@?5C5Bhb=m-vEh_L15Jl]U)0RP6{q%L^_z5E'Dw6X
+821 \b
+822 822 Ket
+825 End
+------------------------------------------------------------------
+
+|\$\<\.X\+ix\[d1b\!H\#\?vV0vrK\:ZH1\=2M\>iV\;\?aPhFB\<\*vW\@QW\@sO9\}cfZA\-i\'w\%hKd6gt1UJP\,15_\#QY\$M\^Mss_U\/\]\&LK9\[5vQub\^w\[KDD\<EjmhUZ\?\.akp2dF\>qmj\;2\}YWFdYx\.Ap\]hjCPTP\(n28k\+3\;o\&WXqs\/gOXdr\$\:r\'do0\;b4c\(f_Gr\=\"\\4\)\[01T7ajQJvL\$W\~mL_sS\/4h\:x\*\[ZN\=KLs\&L5zX\/\/\>it\,o\:aU\(\;Z\>pW\&T7oP\'2K\^E\:x9\'c\[\%z\-\,64JQ5AeH_G\#KijUKghQw\^\\vea3a\?kka_G\$8\#\`\*kynsxzBLru\'\]k_\[7FrVx\}\^\=\$blx\>s\-N\%j\;D\*aZDnsw\:YKZ\%Q\.Kne9\#hP\?\+b3\(SOvL\,\^\;\&u5\@\?5C5Bhb\=m\-vEh_L15Jl\]U\)0RP6\{q\%L\^_z5E\'Dw6X\b|BM
+Memory allocation (code space): 816
+------------------------------------------------------------------
+ 0 812 Bra
+ 3 $<.X+ix[d1b!H#?vV0vrK:ZH1=2M>iV;?aPhFB<*vW@QW@sO9}cfZA-i'w%hKd6gt1UJP,15_#QY$M^Mss_U/]&LK9[5vQub^w[KDD<EjmhUZ?.akp2dF>qmj;2}YWFdYx.Ap]hjCPTP(n28k+3;o&WXqs/gOXdr$:r'do0;b4c(f_Gr="\4)[01T7ajQJvL$W~mL_sS/4h:x*[ZN=KLs&L5zX//>it,o:aU(;Z>pW&T7oP'2K^E:x9'c[%z-,64JQ5AeH_G#KijUKghQw^\vea3a?kka_G$8#`*kynsxzBLru']k_[7FrVx}^=$blx>s-N%j;D*aZDnsw:YKZ%Q.Kne9#hP?+b3(SOvL,^;&u5@?5C5Bhb=m-vEh_L15Jl]U)0RP6{q%L^_z5E'Dw6X
+811 \b
+812 812 Ket
+815 End
+------------------------------------------------------------------
+
+/(a(?1)b)/BM
+Memory allocation (code space): 28
+------------------------------------------------------------------
+ 0 24 Bra
+ 3 18 CBra 1
+ 8 a
+ 10 6 Once
+ 13 3 Recurse
+ 16 6 Ket
+ 19 b
+ 21 18 Ket
+ 24 24 Ket
+ 27 End
+------------------------------------------------------------------
+
+/(a(?1)+b)/BM
+Memory allocation (code space): 28
+------------------------------------------------------------------
+ 0 24 Bra
+ 3 18 CBra 1
+ 8 a
+ 10 6 Once
+ 13 3 Recurse
+ 16 6 KetRmax
+ 19 b
+ 21 18 Ket
+ 24 24 Ket
+ 27 End
+------------------------------------------------------------------
+
+/a(?P<name1>b|c)d(?P<longername2>e)/BM
+Memory allocation (code space): 42
+------------------------------------------------------------------
+ 0 32 Bra
+ 3 a
+ 5 7 CBra 1
+ 10 b
+ 12 5 Alt
+ 15 c
+ 17 12 Ket
+ 20 d
+ 22 7 CBra 2
+ 27 e
+ 29 7 Ket
+ 32 32 Ket
+ 35 End
+------------------------------------------------------------------
+
+/(?:a(?P<c>c(?P<d>d)))(?P<a>a)/BM
+Memory allocation (code space): 54
+------------------------------------------------------------------
+ 0 41 Bra
+ 3 25 Bra
+ 6 a
+ 8 17 CBra 1
+ 13 c
+ 15 7 CBra 2
+ 20 d
+ 22 7 Ket
+ 25 17 Ket
+ 28 25 Ket
+ 31 7 CBra 3
+ 36 a
+ 38 7 Ket
+ 41 41 Ket
+ 44 End
+------------------------------------------------------------------
+
+/(?P<a>a)...(?P=a)bbb(?P>a)d/BM
+Memory allocation (code space): 43
+------------------------------------------------------------------
+ 0 36 Bra
+ 3 7 CBra 1
+ 8 a
+ 10 7 Ket
+ 13 Any
+ 14 Any
+ 15 Any
+ 16 \1
+ 19 bbb
+ 25 6 Once
+ 28 3 Recurse
+ 31 6 Ket
+ 34 d
+ 36 36 Ket
+ 39 End
+------------------------------------------------------------------
+
+/abc(?C255)de(?C)f/BM
+Memory allocation (code space): 31
+------------------------------------------------------------------
+ 0 27 Bra
+ 3 abc
+ 9 Callout 255 10 1
+ 15 de
+ 19 Callout 0 16 1
+ 25 f
+ 27 27 Ket
+ 30 End
+------------------------------------------------------------------
+
+/abcde/CBM
+Memory allocation (code space): 53
+------------------------------------------------------------------
+ 0 49 Bra
+ 3 Callout 255 0 1
+ 9 a
+ 11 Callout 255 1 1
+ 17 b
+ 19 Callout 255 2 1
+ 25 c
+ 27 Callout 255 3 1
+ 33 d
+ 35 Callout 255 4 1
+ 41 e
+ 43 Callout 255 5 0
+ 49 49 Ket
+ 52 End
+------------------------------------------------------------------
+
+/\x{100}/8BM
+Memory allocation (code space): 10
+------------------------------------------------------------------
+ 0 6 Bra
+ 3 \x{100}
+ 6 6 Ket
+ 9 End
+------------------------------------------------------------------
+
+/\x{1000}/8BM
+Memory allocation (code space): 11
+------------------------------------------------------------------
+ 0 7 Bra
+ 3 \x{1000}
+ 7 7 Ket
+ 10 End
+------------------------------------------------------------------
+
+/\x{10000}/8BM
+Memory allocation (code space): 12
+------------------------------------------------------------------
+ 0 8 Bra
+ 3 \x{10000}
+ 8 8 Ket
+ 11 End
+------------------------------------------------------------------
+
+/\x{100000}/8BM
+Memory allocation (code space): 12
+------------------------------------------------------------------
+ 0 8 Bra
+ 3 \x{100000}
+ 8 8 Ket
+ 11 End
+------------------------------------------------------------------
+
+/\x{1000000}/8BM
+Memory allocation (code space): 13
+------------------------------------------------------------------
+ 0 9 Bra
+ 3 \x{1000000}
+ 9 9 Ket
+ 12 End
+------------------------------------------------------------------
+
+/\x{4000000}/8BM
+Memory allocation (code space): 14
+------------------------------------------------------------------
+ 0 10 Bra
+ 3 \x{4000000}
+ 10 10 Ket
+ 13 End
+------------------------------------------------------------------
+
+/\x{7fffFFFF}/8BM
+Memory allocation (code space): 14
+------------------------------------------------------------------
+ 0 10 Bra
+ 3 \x{7fffffff}
+ 10 10 Ket
+ 13 End
+------------------------------------------------------------------
+
+/[\x{ff}]/8BM
+Memory allocation (code space): 10
+------------------------------------------------------------------
+ 0 6 Bra
+ 3 \x{ff}
+ 6 6 Ket
+ 9 End
+------------------------------------------------------------------
+
+/[\x{100}]/8BM
+Memory allocation (code space): 15
+------------------------------------------------------------------
+ 0 11 Bra
+ 3 [\x{100}]
+ 11 11 Ket
+ 14 End
+------------------------------------------------------------------
+
+/\x80/8BM
+Memory allocation (code space): 10
+------------------------------------------------------------------
+ 0 6 Bra
+ 3 \x{80}
+ 6 6 Ket
+ 9 End
+------------------------------------------------------------------
+
+/\xff/8BM
+Memory allocation (code space): 10
+------------------------------------------------------------------
+ 0 6 Bra
+ 3 \x{ff}
+ 6 6 Ket
+ 9 End
+------------------------------------------------------------------
+
+/\x{0041}\x{2262}\x{0391}\x{002e}/D8M
+Memory allocation (code space): 18
+------------------------------------------------------------------
+ 0 14 Bra
+ 3 A\x{2262}\x{391}.
+ 14 14 Ket
+ 17 End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 'A'
+Need char = '.'
+
+/\x{D55c}\x{ad6d}\x{C5B4}/D8M
+Memory allocation (code space): 19
+------------------------------------------------------------------
+ 0 15 Bra
+ 3 \x{d55c}\x{ad6d}\x{c5b4}
+ 15 15 Ket
+ 18 End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 237
+Need char = 180
+
+/\x{65e5}\x{672c}\x{8a9e}/D8M
+Memory allocation (code space): 19
+------------------------------------------------------------------
+ 0 15 Bra
+ 3 \x{65e5}\x{672c}\x{8a9e}
+ 15 15 Ket
+ 18 End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 230
+Need char = 158
+
+/[\x{100}]/8BM
+Memory allocation (code space): 15
+------------------------------------------------------------------
+ 0 11 Bra
+ 3 [\x{100}]
+ 11 11 Ket
+ 14 End
+------------------------------------------------------------------
+
+/[Z\x{100}]/8BM
+Memory allocation (code space): 47
+------------------------------------------------------------------
+ 0 43 Bra
+ 3 [Z\x{100}]
+ 43 43 Ket
+ 46 End
+------------------------------------------------------------------
+
+/^[\x{100}\E-\Q\E\x{150}]/B8M
+Memory allocation (code space): 18
+------------------------------------------------------------------
+ 0 14 Bra
+ 3 ^
+ 4 [\x{100}-\x{150}]
+ 14 14 Ket
+ 17 End
+------------------------------------------------------------------
+
+/^[\QĀ\E-\QŐ\E]/B8M
+Memory allocation (code space): 18
+------------------------------------------------------------------
+ 0 14 Bra
+ 3 ^
+ 4 [\x{100}-\x{150}]
+ 14 14 Ket
+ 17 End
+------------------------------------------------------------------
+
+/^[\QĀ\E-\QŐ\E/B8M
+Failed: missing terminating ] for character class at offset 15
+
+/[\p{L}]/BM
+Memory allocation (code space): 15
+------------------------------------------------------------------
+ 0 11 Bra
+ 3 [\p{L}]
+ 11 11 Ket
+ 14 End
+------------------------------------------------------------------
+
+/[\p{^L}]/BM
+Memory allocation (code space): 15
+------------------------------------------------------------------
+ 0 11 Bra
+ 3 [\P{L}]
+ 11 11 Ket
+ 14 End
+------------------------------------------------------------------
+
+/[\P{L}]/BM
+Memory allocation (code space): 15
+------------------------------------------------------------------
+ 0 11 Bra
+ 3 [\P{L}]
+ 11 11 Ket
+ 14 End
+------------------------------------------------------------------
+
+/[\P{^L}]/BM
+Memory allocation (code space): 15
+------------------------------------------------------------------
+ 0 11 Bra
+ 3 [\p{L}]
+ 11 11 Ket
+ 14 End
+------------------------------------------------------------------
+
+/[abc\p{L}\x{0660}]/8BM
+Memory allocation (code space): 50
+------------------------------------------------------------------
+ 0 46 Bra
+ 3 [a-c\p{L}\x{660}]
+ 46 46 Ket
+ 49 End
+------------------------------------------------------------------
+
+/[\p{Nd}]/8BM
+Memory allocation (code space): 15
+------------------------------------------------------------------
+ 0 11 Bra
+ 3 [\p{Nd}]
+ 11 11 Ket
+ 14 End
+------------------------------------------------------------------
+
+/[\p{Nd}+-]+/8BM
+Memory allocation (code space): 48
+------------------------------------------------------------------
+ 0 44 Bra
+ 3 [+\-\p{Nd}]+
+ 44 44 Ket
+ 47 End
+------------------------------------------------------------------
+
+/A\x{391}\x{10427}\x{ff3a}\x{1fb0}/8iBM
+Memory allocation (code space): 25
+------------------------------------------------------------------
+ 0 21 Bra
+ 3 NC A\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ 21 21 Ket
+ 24 End
+------------------------------------------------------------------
+
+/A\x{391}\x{10427}\x{ff3a}\x{1fb0}/8BM
+Memory allocation (code space): 25
+------------------------------------------------------------------
+ 0 21 Bra
+ 3 A\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ 21 21 Ket
+ 24 End
+------------------------------------------------------------------
+
+/[\x{105}-\x{109}]/8iBM
+Memory allocation (code space): 17
+------------------------------------------------------------------
+ 0 13 Bra
+ 3 [\x{104}-\x{109}]
+ 13 13 Ket
+ 16 End
+------------------------------------------------------------------
+
+/( ( (?(1)0|) )* )/xBM
+Memory allocation (code space): 38
+------------------------------------------------------------------
+ 0 34 Bra
+ 3 28 CBra 1
+ 8 Brazero
+ 9 19 SCBra 2
+ 14 8 Cond
+ 17 1 Cond ref
+ 20 0
+ 22 3 Alt
+ 25 11 Ket
+ 28 19 KetRmax
+ 31 28 Ket
+ 34 34 Ket
+ 37 End
+------------------------------------------------------------------
+
+/( (?(1)0|)* )/xBM
+Memory allocation (code space): 30
+------------------------------------------------------------------
+ 0 26 Bra
+ 3 20 CBra 1
+ 8 Brazero
+ 9 8 SCond
+ 12 1 Cond ref
+ 15 0
+ 17 3 Alt
+ 20 11 KetRmax
+ 23 20 Ket
+ 26 26 Ket
+ 29 End
+------------------------------------------------------------------
+
+/[a]/BM
+Memory allocation (code space): 9
+------------------------------------------------------------------
+ 0 5 Bra
+ 3 a
+ 5 5 Ket
+ 8 End
+------------------------------------------------------------------
+
+/[a]/8BM
+Memory allocation (code space): 9
+------------------------------------------------------------------
+ 0 5 Bra
+ 3 a
+ 5 5 Ket
+ 8 End
+------------------------------------------------------------------
+
+/[\xaa]/BM
+Memory allocation (code space): 9
+------------------------------------------------------------------
+ 0 5 Bra
+ 3 \xaa
+ 5 5 Ket
+ 8 End
+------------------------------------------------------------------
+
+/[\xaa]/8BM
+Memory allocation (code space): 10
+------------------------------------------------------------------
+ 0 6 Bra
+ 3 \x{aa}
+ 6 6 Ket
+ 9 End
+------------------------------------------------------------------
+
+/[^a]/BM
+Memory allocation (code space): 9
+------------------------------------------------------------------
+ 0 5 Bra
+ 3 [^a]
+ 5 5 Ket
+ 8 End
+------------------------------------------------------------------
+
+/[^a]/8BM
+Memory allocation (code space): 9
+------------------------------------------------------------------
+ 0 5 Bra
+ 3 [^a]
+ 5 5 Ket
+ 8 End
+------------------------------------------------------------------
+
+/[^\xaa]/BM
+Memory allocation (code space): 9
+------------------------------------------------------------------
+ 0 5 Bra
+ 3 [^\xaa]
+ 5 5 Ket
+ 8 End
+------------------------------------------------------------------
+
+/[^\xaa]/8BM
+Memory allocation (code space): 40
+------------------------------------------------------------------
+ 0 36 Bra
+ 3 [\x00-\xa9\xab-\xff] (neg)
+ 36 36 Ket
+ 39 End
+------------------------------------------------------------------
+
+/ End of testinput10 /
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput2 b/lib/stdlib/test/re_SUITE_data/testoutput2
new file mode 100644
index 0000000000..dba227f503
--- /dev/null
+++ b/lib/stdlib/test/re_SUITE_data/testoutput2
@@ -0,0 +1,9388 @@
+/(a)b|/I
+Capturing subpattern count = 1
+No options
+No first char
+No need char
+
+/abc/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'c'
+ abc
+ 0: abc
+ defabc
+ 0: abc
+ \Aabc
+ 0: abc
+ *** Failers
+No match
+ \Adefabc
+No match
+ ABC
+No match
+
+/^abc/I
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+ abc
+ 0: abc
+ \Aabc
+ 0: abc
+ *** Failers
+No match
+ defabc
+No match
+ \Adefabc
+No match
+
+/a+bc/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+Need char = 'c'
+
+/a*bc/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+Need char = 'c'
+
+/a{3}bc/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+Need char = 'c'
+
+/(abc|a+z)/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+First char = 'a'
+No need char
+
+/^abc$/I
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+ abc
+ 0: abc
+ *** Failers
+No match
+ def\nabc
+No match
+
+/ab\idef/X
+Failed: unrecognized character follows \ at offset 3
+
+/(?X)ab\idef/X
+Failed: unrecognized character follows \ at offset 7
+
+/x{5,4}/
+Failed: numbers out of order in {} quantifier at offset 5
+
+/z{65536}/
+Failed: number too big in {} quantifier at offset 7
+
+/[abcd/
+Failed: missing terminating ] for character class at offset 5
+
+/(?X)[\B]/
+Failed: invalid escape sequence in character class at offset 6
+
+/[z-a]/
+Failed: range out of order in character class at offset 3
+
+/^*/
+Failed: nothing to repeat at offset 1
+
+/(abc/
+Failed: missing ) at offset 4
+
+/(?# abc/
+Failed: missing ) after comment at offset 7
+
+/(?z)abc/
+Failed: unrecognized character after (? or (?- at offset 2
+
+/.*b/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char at start or follows newline
+Need char = 'b'
+
+/.*?b/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char at start or follows newline
+Need char = 'b'
+
+/cat|dog|elephant/I
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+ this sentence eventually mentions a cat
+ 0: cat
+ this sentences rambles on and on for a while and then reaches elephant
+ 0: elephant
+
+/cat|dog|elephant/IS
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+Starting byte set: c d e
+ this sentence eventually mentions a cat
+ 0: cat
+ this sentences rambles on and on for a while and then reaches elephant
+ 0: elephant
+
+/cat|dog|elephant/IiS
+Capturing subpattern count = 0
+Options: caseless
+No first char
+No need char
+Starting byte set: C D E c d e
+ this sentence eventually mentions a CAT cat
+ 0: CAT
+ this sentences rambles on and on for a while to elephant ElePhant
+ 0: elephant
+
+/a|[bcd]/IS
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+Starting byte set: a b c d
+
+/(a|[^\dZ])/IS
+Capturing subpattern count = 1
+No options
+No first char
+No need char
+Starting byte set: \x00 \x01 \x02 \x03 \x04 \x05 \x06 \x07 \x08 \x09 \x0a
+ \x0b \x0c \x0d \x0e \x0f \x10 \x11 \x12 \x13 \x14 \x15 \x16 \x17 \x18 \x19
+ \x1a \x1b \x1c \x1d \x1e \x1f \x20 ! " # $ % & ' ( ) * + , - . / : ; < = >
+ ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y [ \ ] ^ _ ` a b c d
+ e f g h i j k l m n o p q r s t u v w x y z { | } ~ \x7f \x80 \x81 \x82 \x83
+ \x84 \x85 \x86 \x87 \x88 \x89 \x8a \x8b \x8c \x8d \x8e \x8f \x90 \x91 \x92
+ \x93 \x94 \x95 \x96 \x97 \x98 \x99 \x9a \x9b \x9c \x9d \x9e \x9f \xa0 \xa1
+ \xa2 \xa3 \xa4 \xa5 \xa6 \xa7 \xa8 \xa9 \xaa \xab \xac \xad \xae \xaf \xb0
+ \xb1 \xb2 \xb3 \xb4 \xb5 \xb6 \xb7 \xb8 \xb9 \xba \xbb \xbc \xbd \xbe \xbf
+ \xc0 \xc1 \xc2 \xc3 \xc4 \xc5 \xc6 \xc7 \xc8 \xc9 \xca \xcb \xcc \xcd \xce
+ \xcf \xd0 \xd1 \xd2 \xd3 \xd4 \xd5 \xd6 \xd7 \xd8 \xd9 \xda \xdb \xdc \xdd
+ \xde \xdf \xe0 \xe1 \xe2 \xe3 \xe4 \xe5 \xe6 \xe7 \xe8 \xe9 \xea \xeb \xec
+ \xed \xee \xef \xf0 \xf1 \xf2 \xf3 \xf4 \xf5 \xf6 \xf7 \xf8 \xf9 \xfa \xfb
+ \xfc \xfd \xfe \xff
+
+/(a|b)*[\s]/IS
+Capturing subpattern count = 1
+No options
+No first char
+No need char
+Starting byte set: \x09 \x0a \x0c \x0d \x20 a b
+
+/(ab\2)/
+Failed: reference to non-existent subpattern at offset 6
+
+/{4,5}abc/
+Failed: nothing to repeat at offset 4
+
+/(a)(b)(c)\2/I
+Capturing subpattern count = 3
+Max back reference = 2
+No options
+First char = 'a'
+Need char = 'c'
+ abcb
+ 0: abcb
+ 1: a
+ 2: b
+ 3: c
+ \O0abcb
+Matched, but too many substrings
+ \O3abcb
+Matched, but too many substrings
+ 0: abcb
+ \O6abcb
+Matched, but too many substrings
+ 0: abcb
+ 1: a
+ \O9abcb
+Matched, but too many substrings
+ 0: abcb
+ 1: a
+ 2: b
+ \O12abcb
+ 0: abcb
+ 1: a
+ 2: b
+ 3: c
+
+/(a)bc|(a)(b)\2/I
+Capturing subpattern count = 3
+Max back reference = 2
+No options
+First char = 'a'
+No need char
+ abc
+ 0: abc
+ 1: a
+ \O0abc
+Matched, but too many substrings
+ \O3abc
+Matched, but too many substrings
+ 0: abc
+ \O6abc
+ 0: abc
+ 1: a
+ aba
+ 0: aba
+ 1: <unset>
+ 2: a
+ 3: b
+ \O0aba
+Matched, but too many substrings
+ \O3aba
+Matched, but too many substrings
+ 0: aba
+ \O6aba
+Matched, but too many substrings
+ 0: aba
+ 1: <unset>
+ \O9aba
+Matched, but too many substrings
+ 0: aba
+ 1: <unset>
+ 2: a
+ \O12aba
+ 0: aba
+ 1: <unset>
+ 2: a
+ 3: b
+
+/abc$/IE
+Capturing subpattern count = 0
+Options: dollar_endonly
+First char = 'a'
+Need char = 'c'
+ abc
+ 0: abc
+ *** Failers
+No match
+ abc\n
+No match
+ abc\ndef
+No match
+
+/(a)(b)(c)(d)(e)\6/
+Failed: reference to non-existent subpattern at offset 17
+
+/the quick brown fox/I
+Capturing subpattern count = 0
+No options
+First char = 't'
+Need char = 'x'
+ the quick brown fox
+ 0: the quick brown fox
+ this is a line with the quick brown fox
+ 0: the quick brown fox
+
+/the quick brown fox/IA
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+ the quick brown fox
+ 0: the quick brown fox
+ *** Failers
+No match
+ this is a line with the quick brown fox
+No match
+
+/ab(?z)cd/
+Failed: unrecognized character after (? or (?- at offset 4
+
+/^abc|def/I
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+ abcdef
+ 0: abc
+ abcdef\B
+ 0: def
+
+/.*((abc)$|(def))/I
+Capturing subpattern count = 3
+Partial matching not supported
+No options
+First char at start or follows newline
+No need char
+ defabc
+ 0: defabc
+ 1: abc
+ 2: abc
+ \Zdefabc
+ 0: def
+ 1: def
+ 2: <unset>
+ 3: def
+
+/abc/IP
+ abc
+ 0: abc
+ *** Failers
+No match: POSIX code 17: match failed
+
+/^abc|def/IP
+ abcdef
+ 0: abc
+ abcdef\B
+ 0: def
+
+/.*((abc)$|(def))/IP
+ defabc
+ 0: defabc
+ 1: abc
+ 2: abc
+ \Zdefabc
+ 0: def
+ 1: def
+ 3: def
+
+/the quick brown fox/IP
+ the quick brown fox
+ 0: the quick brown fox
+ *** Failers
+No match: POSIX code 17: match failed
+ The Quick Brown Fox
+No match: POSIX code 17: match failed
+
+/the quick brown fox/IPi
+ the quick brown fox
+ 0: the quick brown fox
+ The Quick Brown Fox
+ 0: The Quick Brown Fox
+
+/abc.def/IP
+ *** Failers
+No match: POSIX code 17: match failed
+ abc\ndef
+No match: POSIX code 17: match failed
+
+/abc$/IP
+ abc
+ 0: abc
+ abc\n
+ 0: abc
+
+/(abc)\2/IP
+Failed: POSIX code 15: bad back reference at offset 7
+
+/(abc\1)/IP
+ abc
+No match: POSIX code 17: match failed
+
+/)/
+Failed: unmatched parentheses at offset 0
+
+/a[]b/
+Failed: missing terminating ] for character class at offset 4
+
+/[^aeiou ]{3,}/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+No need char
+ co-processors, and for
+ 0: -pr
+
+/<.*>/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = '<'
+Need char = '>'
+ abc<def>ghi<klm>nop
+ 0: <def>ghi<klm>
+
+/<.*?>/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = '<'
+Need char = '>'
+ abc<def>ghi<klm>nop
+ 0: <def>
+
+/<.*>/IU
+Capturing subpattern count = 0
+Partial matching not supported
+Options: ungreedy
+First char = '<'
+Need char = '>'
+ abc<def>ghi<klm>nop
+ 0: <def>
+
+/(?U)<.*>/I
+Capturing subpattern count = 0
+Partial matching not supported
+Options: ungreedy
+First char = '<'
+Need char = '>'
+ abc<def>ghi<klm>nop
+ 0: <def>
+
+/<.*?>/IU
+Capturing subpattern count = 0
+Partial matching not supported
+Options: ungreedy
+First char = '<'
+Need char = '>'
+ abc<def>ghi<klm>nop
+ 0: <def>ghi<klm>
+
+/={3,}/IU
+Capturing subpattern count = 0
+Partial matching not supported
+Options: ungreedy
+First char = '='
+Need char = '='
+ abc========def
+ 0: ===
+
+/(?U)={3,}?/I
+Capturing subpattern count = 0
+Partial matching not supported
+Options: ungreedy
+First char = '='
+Need char = '='
+ abc========def
+ 0: ========
+
+/(?<!bar|cattle)foo/I
+Capturing subpattern count = 0
+No options
+First char = 'f'
+Need char = 'o'
+ foo
+ 0: foo
+ catfoo
+ 0: foo
+ *** Failers
+No match
+ the barfoo
+No match
+ and cattlefoo
+No match
+
+/(?<=a+)b/
+Failed: lookbehind assertion is not fixed length at offset 6
+
+/(?<=aaa|b{0,3})b/
+Failed: lookbehind assertion is not fixed length at offset 14
+
+/(?<!(foo)a\1)bar/
+Failed: lookbehind assertion is not fixed length at offset 12
+
+/(?i)abc/I
+Capturing subpattern count = 0
+Options: caseless
+First char = 'a' (caseless)
+Need char = 'c' (caseless)
+
+/(a|(?m)a)/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+No need char
+
+/(?i)^1234/I
+Capturing subpattern count = 0
+Options: anchored caseless
+No first char
+No need char
+
+/(^b|(?i)^d)/I
+Capturing subpattern count = 1
+Options: anchored
+No first char
+No need char
+
+/(?s).*/I
+Capturing subpattern count = 0
+Partial matching not supported
+Options: anchored dotall
+No first char
+No need char
+
+/[abcd]/IS
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+Starting byte set: a b c d
+
+/(?i)[abcd]/IS
+Capturing subpattern count = 0
+Options: caseless
+No first char
+No need char
+Starting byte set: A B C D a b c d
+
+/(?m)[xy]|(b|c)/IS
+Capturing subpattern count = 1
+Options: multiline
+No first char
+No need char
+Starting byte set: b c x y
+
+/(^a|^b)/Im
+Capturing subpattern count = 1
+Options: multiline
+First char at start or follows newline
+No need char
+
+/(?i)(^a|^b)/Im
+Capturing subpattern count = 1
+Options: caseless multiline
+First char at start or follows newline
+No need char
+
+/(a)(?(1)a|b|c)/
+Failed: conditional group contains more than two branches at offset 13
+
+/(?(?=a)a|b|c)/
+Failed: conditional group contains more than two branches at offset 12
+
+/(?(1a)/
+Failed: missing ) at offset 6
+
+/(?(1a))/
+Failed: reference to non-existent subpattern at offset 6
+
+/(?(?i))/
+Failed: assertion expected after (?( at offset 3
+
+/(?(abc))/
+Failed: reference to non-existent subpattern at offset 7
+
+/(?(?<ab))/
+Failed: syntax error in subpattern name (missing terminator) at offset 7
+
+/((?s)blah)\s+\1/I
+Capturing subpattern count = 1
+Max back reference = 1
+Partial matching not supported
+No options
+First char = 'b'
+Need char = 'h'
+
+/((?i)blah)\s+\1/I
+Capturing subpattern count = 1
+Max back reference = 1
+Partial matching not supported
+No options
+First char = 'b' (caseless)
+Need char = 'h' (caseless)
+
+/((?i)b)/IDZS
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ 01 Opt
+ NC b
+ Ket
+ 00 Opt
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+No options
+First char = 'b' (caseless)
+No need char
+Study returned NULL
+
+/(a*b|(?i:c*(?-i)d))/IS
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+No need char
+Starting byte set: C a b c d
+
+/a$/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+No need char
+ a
+ 0: a
+ a\n
+ 0: a
+ *** Failers
+No match
+ \Za
+No match
+ \Za\n
+No match
+
+/a$/Im
+Capturing subpattern count = 0
+Options: multiline
+First char = 'a'
+No need char
+ a
+ 0: a
+ a\n
+ 0: a
+ \Za\n
+ 0: a
+ *** Failers
+No match
+ \Za
+No match
+
+/\Aabc/Im
+Capturing subpattern count = 0
+Options: anchored multiline
+No first char
+No need char
+
+/^abc/Im
+Capturing subpattern count = 0
+Options: multiline
+First char at start or follows newline
+Need char = 'c'
+
+/^((a+)(?U)([ab]+)(?-U)([bc]+)(\w*))/I
+Capturing subpattern count = 5
+Partial matching not supported
+Options: anchored
+No first char
+No need char
+ aaaaabbbbbcccccdef
+ 0: aaaaabbbbbcccccdef
+ 1: aaaaabbbbbcccccdef
+ 2: aaaaa
+ 3: b
+ 4: bbbbccccc
+ 5: def
+
+/(?<=foo)[ab]/IS
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+Starting byte set: a b
+
+/(?<!foo)(alpha|omega)/IS
+Capturing subpattern count = 1
+No options
+No first char
+Need char = 'a'
+Starting byte set: a o
+
+/(?!alphabet)[ab]/IS
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+Starting byte set: a b
+
+/(?<=foo\n)^bar/Im
+Capturing subpattern count = 0
+Contains explicit CR or LF match
+Options: multiline
+No first char
+Need char = 'r'
+ foo\nbarbar
+ 0: bar
+ ***Failers
+No match
+ rhubarb
+No match
+ barbell
+No match
+ abc\nbarton
+No match
+
+/^(?<=foo\n)bar/Im
+Capturing subpattern count = 0
+Contains explicit CR or LF match
+Options: multiline
+First char at start or follows newline
+Need char = 'r'
+ foo\nbarbar
+ 0: bar
+ ***Failers
+No match
+ rhubarb
+No match
+ barbell
+No match
+ abc\nbarton
+No match
+
+/(?>^abc)/Im
+Capturing subpattern count = 0
+Options: multiline
+First char at start or follows newline
+Need char = 'c'
+ abc
+ 0: abc
+ def\nabc
+ 0: abc
+ *** Failers
+No match
+ defabc
+No match
+
+/(?<=ab(c+)d)ef/
+Failed: lookbehind assertion is not fixed length at offset 11
+
+/(?<=ab(?<=c+)d)ef/
+Failed: lookbehind assertion is not fixed length at offset 12
+
+/(?<=ab(c|de)f)g/
+Failed: lookbehind assertion is not fixed length at offset 13
+
+/The next three are in testinput2 because they have variable length branches/
+
+/(?<=bullock|donkey)-cart/I
+Capturing subpattern count = 0
+No options
+First char = '-'
+Need char = 't'
+ the bullock-cart
+ 0: -cart
+ a donkey-cart race
+ 0: -cart
+ *** Failers
+No match
+ cart
+No match
+ horse-and-cart
+No match
+
+/(?<=ab(?i)x|y|z)/I
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/(?>.*)(?<=(abcd)|(xyz))/I
+Capturing subpattern count = 2
+Partial matching not supported
+No options
+First char at start or follows newline
+No need char
+ alphabetabcd
+ 0: alphabetabcd
+ 1: abcd
+ endingxyz
+ 0: endingxyz
+ 1: <unset>
+ 2: xyz
+
+/(?<=ab(?i)x(?-i)y|(?i)z|b)ZZ/I
+Capturing subpattern count = 0
+No options
+First char = 'Z'
+Need char = 'Z'
+ abxyZZ
+ 0: ZZ
+ abXyZZ
+ 0: ZZ
+ ZZZ
+ 0: ZZ
+ zZZ
+ 0: ZZ
+ bZZ
+ 0: ZZ
+ BZZ
+ 0: ZZ
+ *** Failers
+No match
+ ZZ
+No match
+ abXYZZ
+No match
+ zzz
+No match
+ bzz
+No match
+
+/(?<!(foo)a)bar/I
+Capturing subpattern count = 1
+No options
+First char = 'b'
+Need char = 'r'
+ bar
+ 0: bar
+ foobbar
+ 0: bar
+ *** Failers
+No match
+ fooabar
+No match
+
+/This one is here because Perl 5.005_02 doesn't fail it/I
+Capturing subpattern count = 0
+No options
+First char = 'T'
+Need char = 't'
+
+/^(a)?(?(1)a|b)+$/I
+Capturing subpattern count = 1
+Options: anchored
+No first char
+No need char
+ *** Failers
+No match
+ a
+No match
+
+/This one is here because I think Perl 5.005_02 gets the setting of $1 wrong/I
+Capturing subpattern count = 0
+No options
+First char = 'T'
+Need char = 'g'
+
+/^(a\1?){4}$/I
+Capturing subpattern count = 1
+Max back reference = 1
+Options: anchored
+No first char
+No need char
+ aaaaaa
+ 0: aaaaaa
+ 1: aa
+
+/These are syntax tests from Perl 5.005/I
+Capturing subpattern count = 0
+No options
+First char = 'T'
+Need char = '5'
+
+/a[b-a]/
+Failed: range out of order in character class at offset 4
+
+/a[]b/
+Failed: missing terminating ] for character class at offset 4
+
+/a[/
+Failed: missing terminating ] for character class at offset 2
+
+/*a/
+Failed: nothing to repeat at offset 0
+
+/(*)b/
+Failed: nothing to repeat at offset 1
+
+/abc)/
+Failed: unmatched parentheses at offset 3
+
+/(abc/
+Failed: missing ) at offset 4
+
+/a**/
+Failed: nothing to repeat at offset 2
+
+/)(/
+Failed: unmatched parentheses at offset 0
+
+/\1/
+Failed: reference to non-existent subpattern at offset 2
+
+/\2/
+Failed: reference to non-existent subpattern at offset 2
+
+/(a)|\2/
+Failed: reference to non-existent subpattern at offset 6
+
+/a[b-a]/Ii
+Failed: range out of order in character class at offset 4
+
+/a[]b/Ii
+Failed: missing terminating ] for character class at offset 4
+
+/a[/Ii
+Failed: missing terminating ] for character class at offset 2
+
+/*a/Ii
+Failed: nothing to repeat at offset 0
+
+/(*)b/Ii
+Failed: nothing to repeat at offset 1
+
+/abc)/Ii
+Failed: unmatched parentheses at offset 3
+
+/(abc/Ii
+Failed: missing ) at offset 4
+
+/a**/Ii
+Failed: nothing to repeat at offset 2
+
+/)(/Ii
+Failed: unmatched parentheses at offset 0
+
+/:(?:/
+Failed: missing ) at offset 4
+
+/(?<%)b/
+Failed: unrecognized character after (?< at offset 3
+
+/a(?{)b/
+Failed: unrecognized character after (? or (?- at offset 3
+
+/a(?{{})b/
+Failed: unrecognized character after (? or (?- at offset 3
+
+/a(?{}})b/
+Failed: unrecognized character after (? or (?- at offset 3
+
+/a(?{"{"})b/
+Failed: unrecognized character after (? or (?- at offset 3
+
+/a(?{"{"}})b/
+Failed: unrecognized character after (? or (?- at offset 3
+
+/(?(1?)a|b)/
+Failed: malformed number or name after (?( at offset 4
+
+/[a[:xyz:/
+Failed: missing terminating ] for character class at offset 8
+
+/(?<=x+)y/
+Failed: lookbehind assertion is not fixed length at offset 6
+
+/a{37,17}/
+Failed: numbers out of order in {} quantifier at offset 7
+
+/abc/\
+Failed: \ at end of pattern at offset 4
+
+/abc/\P
+Failed: POSIX code 9: bad escape sequence at offset 4
+
+/abc/\i
+Failed: \ at end of pattern at offset 4
+
+/(a)bc(d)/I
+Capturing subpattern count = 2
+No options
+First char = 'a'
+Need char = 'd'
+ abcd
+ 0: abcd
+ 1: a
+ 2: d
+ abcd\C2
+ 0: abcd
+ 1: a
+ 2: d
+ 2C d (1)
+ abcd\C5
+ 0: abcd
+ 1: a
+ 2: d
+copy substring 5 failed -7
+
+/(.{20})/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+No need char
+ abcdefghijklmnopqrstuvwxyz
+ 0: abcdefghijklmnopqrst
+ 1: abcdefghijklmnopqrst
+ abcdefghijklmnopqrstuvwxyz\C1
+ 0: abcdefghijklmnopqrst
+ 1: abcdefghijklmnopqrst
+ 1C abcdefghijklmnopqrst (20)
+ abcdefghijklmnopqrstuvwxyz\G1
+ 0: abcdefghijklmnopqrst
+ 1: abcdefghijklmnopqrst
+ 1G abcdefghijklmnopqrst (20)
+
+/(.{15})/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+No need char
+ abcdefghijklmnopqrstuvwxyz
+ 0: abcdefghijklmno
+ 1: abcdefghijklmno
+ abcdefghijklmnopqrstuvwxyz\C1\G1
+ 0: abcdefghijklmno
+ 1: abcdefghijklmno
+ 1C abcdefghijklmno (15)
+ 1G abcdefghijklmno (15)
+
+/(.{16})/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+No need char
+ abcdefghijklmnopqrstuvwxyz
+ 0: abcdefghijklmnop
+ 1: abcdefghijklmnop
+ abcdefghijklmnopqrstuvwxyz\C1\G1\L
+ 0: abcdefghijklmnop
+ 1: abcdefghijklmnop
+ 1C abcdefghijklmnop (16)
+ 1G abcdefghijklmnop (16)
+ 0L abcdefghijklmnop
+ 1L abcdefghijklmnop
+
+/^(a|(bc))de(f)/I
+Capturing subpattern count = 3
+Options: anchored
+No first char
+No need char
+ adef\G1\G2\G3\G4\L
+ 0: adef
+ 1: a
+ 2: <unset>
+ 3: f
+ 1G a (1)
+ 2G (0)
+ 3G f (1)
+get substring 4 failed -7
+ 0L adef
+ 1L a
+ 2L
+ 3L f
+ bcdef\G1\G2\G3\G4\L
+ 0: bcdef
+ 1: bc
+ 2: bc
+ 3: f
+ 1G bc (2)
+ 2G bc (2)
+ 3G f (1)
+get substring 4 failed -7
+ 0L bcdef
+ 1L bc
+ 2L bc
+ 3L f
+ adefghijk\C0
+ 0: adef
+ 1: a
+ 2: <unset>
+ 3: f
+ 0C adef (4)
+
+/^abc\00def/I
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+ abc\00def\L\C0
+ 0: abc\x00def
+ 0C abc (7)
+ 0L abc
+
+/word ((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+
+)((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+ )((?:[a-zA-Z0-9]+
+)?)?)?)?)?)?)?)?)?otherword/I
+Capturing subpattern count = 8
+Partial matching not supported
+Contains explicit CR or LF match
+No options
+First char = 'w'
+Need char = 'd'
+
+/.*X/IDZ
+------------------------------------------------------------------
+ Bra
+ Any*
+ X
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char at start or follows newline
+Need char = 'X'
+
+/.*X/IDZs
+------------------------------------------------------------------
+ Bra
+ Any*
+ X
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: anchored dotall
+No first char
+Need char = 'X'
+
+/(.*X|^B)/IDZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ Any*
+ X
+ Alt
+ ^
+ B
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+First char at start or follows newline
+No need char
+
+/(.*X|^B)/IDZs
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ Any*
+ X
+ Alt
+ ^
+ B
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Partial matching not supported
+Options: anchored dotall
+No first char
+No need char
+
+/(?s)(.*X|^B)/IDZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ Any*
+ X
+ Alt
+ ^
+ B
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Partial matching not supported
+Options: anchored dotall
+No first char
+No need char
+
+/(?s:.*X|^B)/IDZ
+------------------------------------------------------------------
+ Bra
+ Bra
+ 04 Opt
+ Any*
+ X
+ Alt
+ 04 Opt
+ ^
+ B
+ Ket
+ 00 Opt
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char at start or follows newline
+No need char
+
+/\Biss\B/I+
+Capturing subpattern count = 0
+No options
+First char = 'i'
+Need char = 's'
+ Mississippi
+ 0: iss
+ 0+ issippi
+
+/\Biss\B/I+P
+ Mississippi
+ 0: iss
+ 0+ issippi
+
+/iss/IG+
+Capturing subpattern count = 0
+No options
+First char = 'i'
+Need char = 's'
+ Mississippi
+ 0: iss
+ 0+ issippi
+ 0: iss
+ 0+ ippi
+
+/\Biss\B/IG+
+Capturing subpattern count = 0
+No options
+First char = 'i'
+Need char = 's'
+ Mississippi
+ 0: iss
+ 0+ issippi
+
+/\Biss\B/Ig+
+Capturing subpattern count = 0
+No options
+First char = 'i'
+Need char = 's'
+ Mississippi
+ 0: iss
+ 0+ issippi
+ 0: iss
+ 0+ ippi
+ *** Failers
+No match
+ Mississippi\A
+No match
+
+/(?<=[Ms])iss/Ig+
+Capturing subpattern count = 0
+No options
+First char = 'i'
+Need char = 's'
+ Mississippi
+ 0: iss
+ 0+ issippi
+ 0: iss
+ 0+ ippi
+
+/(?<=[Ms])iss/IG+
+Capturing subpattern count = 0
+No options
+First char = 'i'
+Need char = 's'
+ Mississippi
+ 0: iss
+ 0+ issippi
+
+/^iss/Ig+
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+ ississippi
+ 0: iss
+ 0+ issippi
+
+/.*iss/Ig+
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char at start or follows newline
+Need char = 's'
+ abciss\nxyzisspqr
+ 0: abciss
+ 0+ \x0axyzisspqr
+ 0: xyziss
+ 0+ pqr
+
+/.i./I+g
+Capturing subpattern count = 0
+No options
+No first char
+Need char = 'i'
+ Mississippi
+ 0: Mis
+ 0+ sissippi
+ 0: sis
+ 0+ sippi
+ 0: sip
+ 0+ pi
+ Mississippi\A
+ 0: Mis
+ 0+ sissippi
+ 0: sis
+ 0+ sippi
+ 0: sip
+ 0+ pi
+ Missouri river
+ 0: Mis
+ 0+ souri river
+ 0: ri
+ 0+ river
+ 0: riv
+ 0+ er
+ Missouri river\A
+ 0: Mis
+ 0+ souri river
+
+/^.is/I+g
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+ Mississippi
+ 0: Mis
+ 0+ sissippi
+
+/^ab\n/Ig+
+Capturing subpattern count = 0
+Contains explicit CR or LF match
+Options: anchored
+No first char
+No need char
+ ab\nab\ncd
+ 0: ab\x0a
+ 0+ ab\x0acd
+
+/^ab\n/Img+
+Capturing subpattern count = 0
+Contains explicit CR or LF match
+Options: multiline
+First char at start or follows newline
+Need char = 10
+ ab\nab\ncd
+ 0: ab\x0a
+ 0+ ab\x0acd
+ 0: ab\x0a
+ 0+ cd
+
+/abc/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'c'
+
+/abc|bac/I
+Capturing subpattern count = 0
+No options
+No first char
+Need char = 'c'
+
+/(abc|bac)/I
+Capturing subpattern count = 1
+No options
+No first char
+Need char = 'c'
+
+/(abc|(c|dc))/I
+Capturing subpattern count = 2
+No options
+No first char
+Need char = 'c'
+
+/(abc|(d|de)c)/I
+Capturing subpattern count = 2
+No options
+No first char
+Need char = 'c'
+
+/a*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+No need char
+
+/a+/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+No need char
+
+/(baa|a+)/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+Need char = 'a'
+
+/a{0,3}/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+No need char
+
+/baa{3,}/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'b'
+Need char = 'a'
+
+/"([^\\"]+|\\.)*"/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+First char = '"'
+Need char = '"'
+
+/(abc|ab[cd])/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+No need char
+
+/(a|.)/I
+Capturing subpattern count = 1
+No options
+No first char
+No need char
+
+/a|ba|\w/I
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/abc(?=pqr)/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'r'
+
+/...(?<=abc)/I
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/abc(?!pqr)/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'c'
+
+/ab./I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'b'
+
+/ab[xyz]/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'b'
+
+/abc*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+Need char = 'b'
+
+/ab.c*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+Need char = 'b'
+
+/a.c*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+No need char
+
+/.c*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+No need char
+
+/ac*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+No need char
+
+/(a.c*|b.c*)/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+No need char
+
+/a.c*|aba/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+No need char
+
+/.+a/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+Need char = 'a'
+
+/(?=abcda)a.*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+Need char = 'a'
+
+/(?=a)a.*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+No need char
+
+/a(b)*/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+No need char
+
+/a\d*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+No need char
+
+/ab\d*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+Need char = 'b'
+
+/a(\d)*/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+No need char
+
+/abcde{0,0}/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'd'
+
+/ab\d+/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+Need char = 'b'
+
+/a(?(1)b)(.)/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+No need char
+
+/a(?(1)bag|big)(.)/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'g'
+
+/a(?(1)bag|big)*(.)/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+No need char
+
+/a(?(1)bag|big)+(.)/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'g'
+
+/a(?(1)b..|b..)(.)/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'b'
+
+/ab\d{0}e/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'e'
+
+/a?b?/I
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+ a
+ 0: a
+ b
+ 0: b
+ ab
+ 0: ab
+ \
+ 0:
+ *** Failers
+ 0:
+ \N
+No match
+
+/|-/I
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+ abcd
+ 0:
+ -abc
+ 0:
+ \Nab-c
+ 0: -
+ *** Failers
+ 0:
+ \Nabc
+No match
+
+/a*(b+)(z)(z)/IP
+ aaaabbbbzzzz
+ 0: aaaabbbbzz
+ 1: bbbb
+ 2: z
+ 3: z
+ aaaabbbbzzzz\O0
+ aaaabbbbzzzz\O1
+ 0: aaaabbbbzz
+ aaaabbbbzzzz\O2
+ 0: aaaabbbbzz
+ 1: bbbb
+ aaaabbbbzzzz\O3
+ 0: aaaabbbbzz
+ 1: bbbb
+ 2: z
+ aaaabbbbzzzz\O4
+ 0: aaaabbbbzz
+ 1: bbbb
+ 2: z
+ 3: z
+ aaaabbbbzzzz\O5
+ 0: aaaabbbbzz
+ 1: bbbb
+ 2: z
+ 3: z
+
+/^.?abcd/IS
+Capturing subpattern count = 0
+Options: anchored
+No first char
+Need char = 'd'
+Study returned NULL
+
+/\( # ( at start
+ (?: # Non-capturing bracket
+ (?>[^()]+) # Either a sequence of non-brackets (no backtracking)
+ | # Or
+ (?R) # Recurse - i.e. nested bracketed string
+ )* # Zero or more contents
+ \) # Closing )
+ /Ix
+Capturing subpattern count = 0
+Partial matching not supported
+Options: extended
+First char = '('
+Need char = ')'
+ (abcd)
+ 0: (abcd)
+ (abcd)xyz
+ 0: (abcd)
+ xyz(abcd)
+ 0: (abcd)
+ (ab(xy)cd)pqr
+ 0: (ab(xy)cd)
+ (ab(xycd)pqr
+ 0: (xycd)
+ () abc ()
+ 0: ()
+ 12(abcde(fsh)xyz(foo(bar))lmno)89
+ 0: (abcde(fsh)xyz(foo(bar))lmno)
+ *** Failers
+No match
+ abcd
+No match
+ abcd)
+No match
+ (abcd
+No match
+
+/\( ( (?>[^()]+) | (?R) )* \) /Ixg
+Capturing subpattern count = 1
+Partial matching not supported
+Options: extended
+First char = '('
+Need char = ')'
+ (ab(xy)cd)pqr
+ 0: (ab(xy)cd)
+ 1: cd
+ 1(abcd)(x(y)z)pqr
+ 0: (abcd)
+ 1: abcd
+ 0: (x(y)z)
+ 1: z
+
+/\( (?: (?>[^()]+) | (?R) ) \) /Ix
+Capturing subpattern count = 0
+Partial matching not supported
+Options: extended
+First char = '('
+Need char = ')'
+ (abcd)
+ 0: (abcd)
+ (ab(xy)cd)
+ 0: (xy)
+ (a(b(c)d)e)
+ 0: (c)
+ ((ab))
+ 0: ((ab))
+ *** Failers
+No match
+ ()
+No match
+
+/\( (?: (?>[^()]+) | (?R) )? \) /Ix
+Capturing subpattern count = 0
+Partial matching not supported
+Options: extended
+First char = '('
+Need char = ')'
+ ()
+ 0: ()
+ 12(abcde(fsh)xyz(foo(bar))lmno)89
+ 0: (fsh)
+
+/\( ( (?>[^()]+) | (?R) )* \) /Ix
+Capturing subpattern count = 1
+Partial matching not supported
+Options: extended
+First char = '('
+Need char = ')'
+ (ab(xy)cd)
+ 0: (ab(xy)cd)
+ 1: cd
+
+/\( ( ( (?>[^()]+) | (?R) )* ) \) /Ix
+Capturing subpattern count = 2
+Partial matching not supported
+Options: extended
+First char = '('
+Need char = ')'
+ (ab(xy)cd)
+ 0: (ab(xy)cd)
+ 1: ab(xy)cd
+ 2: cd
+
+/\( (123)? ( ( (?>[^()]+) | (?R) )* ) \) /Ix
+Capturing subpattern count = 3
+Partial matching not supported
+Options: extended
+First char = '('
+Need char = ')'
+ (ab(xy)cd)
+ 0: (ab(xy)cd)
+ 1: <unset>
+ 2: ab(xy)cd
+ 3: cd
+ (123ab(xy)cd)
+ 0: (123ab(xy)cd)
+ 1: 123
+ 2: ab(xy)cd
+ 3: cd
+
+/\( ( (123)? ( (?>[^()]+) | (?R) )* ) \) /Ix
+Capturing subpattern count = 3
+Partial matching not supported
+Options: extended
+First char = '('
+Need char = ')'
+ (ab(xy)cd)
+ 0: (ab(xy)cd)
+ 1: ab(xy)cd
+ 2: <unset>
+ 3: cd
+ (123ab(xy)cd)
+ 0: (123ab(xy)cd)
+ 1: 123ab(xy)cd
+ 2: 123
+ 3: cd
+
+/\( (((((((((( ( (?>[^()]+) | (?R) )* )))))))))) \) /Ix
+Capturing subpattern count = 11
+Partial matching not supported
+Options: extended
+First char = '('
+Need char = ')'
+ (ab(xy)cd)
+ 0: (ab(xy)cd)
+ 1: ab(xy)cd
+ 2: ab(xy)cd
+ 3: ab(xy)cd
+ 4: ab(xy)cd
+ 5: ab(xy)cd
+ 6: ab(xy)cd
+ 7: ab(xy)cd
+ 8: ab(xy)cd
+ 9: ab(xy)cd
+10: ab(xy)cd
+11: cd
+
+/\( ( ( (?>[^()<>]+) | ((?>[^()]+)) | (?R) )* ) \) /Ix
+Capturing subpattern count = 3
+Partial matching not supported
+Options: extended
+First char = '('
+Need char = ')'
+ (abcd(xyz<p>qrs)123)
+ 0: (abcd(xyz<p>qrs)123)
+ 1: abcd(xyz<p>qrs)123
+ 2: 123
+ 3: <unset>
+
+/\( ( ( (?>[^()]+) | ((?R)) )* ) \) /Ix
+Capturing subpattern count = 3
+Partial matching not supported
+Options: extended
+First char = '('
+Need char = ')'
+ (ab(cd)ef)
+ 0: (ab(cd)ef)
+ 1: ab(cd)ef
+ 2: ef
+ 3: (cd)
+ (ab(cd(ef)gh)ij)
+ 0: (ab(cd(ef)gh)ij)
+ 1: ab(cd(ef)gh)ij
+ 2: ij
+ 3: (cd(ef)gh)
+
+/^[[:alnum:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [0-9A-Za-z]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:^alnum:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [\x00-/:-@[-`{-\xff] (neg)
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:alpha:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [A-Za-z]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:^alpha:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [\x00-@[-`{-\xff] (neg)
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/[_[:alpha:]]/IS
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+Starting byte set: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
+ _ a b c d e f g h i j k l m n o p q r s t u v w x y z
+
+/^[[:ascii:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [\x00-\x7f]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:^ascii:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [\x80-\xff] (neg)
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:blank:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [\x09 ]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:^blank:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [\x00-\x08\x0a-\x1f!-\xff] (neg)
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/[\n\x0b\x0c\x0d[:blank:]]/IS
+Capturing subpattern count = 0
+Contains explicit CR or LF match
+No options
+No first char
+No need char
+Starting byte set: \x09 \x0a \x0b \x0c \x0d \x20
+
+/^[[:cntrl:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [\x00-\x1f\x7f]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:digit:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [0-9]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:graph:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [!-~]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:lower:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [a-z]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:print:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [ -~]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:punct:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [!-/:-@[-`{-~]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:space:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [\x09-\x0d ]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:upper:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [A-Z]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:xdigit:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [0-9A-Fa-f]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:word:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [0-9A-Z_a-z]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:^cntrl:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [ -~\x80-\xff] (neg)
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[12[:^digit:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [\x00-/12:-\xff] (neg)
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/^[[:^blank:]]/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [\x00-\x08\x0a-\x1f!-\xff] (neg)
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/[01[:alpha:]%]/DZ
+------------------------------------------------------------------
+ Bra
+ [%01A-Za-z]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/[[.ch.]]/I
+Failed: POSIX collating elements are not supported at offset 1
+
+/[[=ch=]]/I
+Failed: POSIX collating elements are not supported at offset 1
+
+/[[:rhubarb:]]/I
+Failed: unknown POSIX class name at offset 3
+
+/[[:upper:]]/Ii
+Capturing subpattern count = 0
+Options: caseless
+No first char
+No need char
+ A
+ 0: A
+ a
+ 0: a
+
+/[[:lower:]]/Ii
+Capturing subpattern count = 0
+Options: caseless
+No first char
+No need char
+ A
+ 0: A
+ a
+ 0: a
+
+/((?-i)[[:lower:]])[[:lower:]]/Ii
+Capturing subpattern count = 1
+Options: caseless
+No first char
+No need char
+ ab
+ 0: ab
+ 1: a
+ aB
+ 0: aB
+ 1: a
+ *** Failers
+ 0: ai
+ 1: a
+ Ab
+No match
+ AB
+No match
+
+/[\200-\110]/I
+Failed: range out of order in character class at offset 9
+
+/^(?(0)f|b)oo/I
+Failed: invalid condition (?(0) at offset 6
+
+/This one's here because of the large output vector needed/I
+Capturing subpattern count = 0
+No options
+First char = 'T'
+Need char = 'd'
+
+/(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\d+(?:\s|$))(\w+)\s+(\270)/I
+Capturing subpattern count = 271
+Max back reference = 270
+Partial matching not supported
+No options
+No first char
+No need char
+ \O900 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 ABC ABC
+ 0: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 ABC ABC
+ 1: 1
+ 2: 2
+ 3: 3
+ 4: 4
+ 5: 5
+ 6: 6
+ 7: 7
+ 8: 8
+ 9: 9
+10: 10
+11: 11
+12: 12
+13: 13
+14: 14
+15: 15
+16: 16
+17: 17
+18: 18
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+22: 22
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+35: 35
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+115: 115
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+119: 119
+120: 120
+121: 121
+122: 122
+123: 123
+124: 124
+125: 125
+126: 126
+127: 127
+128: 128
+129: 129
+130: 130
+131: 131
+132: 132
+133: 133
+134: 134
+135: 135
+136: 136
+137: 137
+138: 138
+139: 139
+140: 140
+141: 141
+142: 142
+143: 143
+144: 144
+145: 145
+146: 146
+147: 147
+148: 148
+149: 149
+150: 150
+151: 151
+152: 152
+153: 153
+154: 154
+155: 155
+156: 156
+157: 157
+158: 158
+159: 159
+160: 160
+161: 161
+162: 162
+163: 163
+164: 164
+165: 165
+166: 166
+167: 167
+168: 168
+169: 169
+170: 170
+171: 171
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+173: 173
+174: 174
+175: 175
+176: 176
+177: 177
+178: 178
+179: 179
+180: 180
+181: 181
+182: 182
+183: 183
+184: 184
+185: 185
+186: 186
+187: 187
+188: 188
+189: 189
+190: 190
+191: 191
+192: 192
+193: 193
+194: 194
+195: 195
+196: 196
+197: 197
+198: 198
+199: 199
+200: 200
+201: 201
+202: 202
+203: 203
+204: 204
+205: 205
+206: 206
+207: 207
+208: 208
+209: 209
+210: 210
+211: 211
+212: 212
+213: 213
+214: 214
+215: 215
+216: 216
+217: 217
+218: 218
+219: 219
+220: 220
+221: 221
+222: 222
+223: 223
+224: 224
+225: 225
+226: 226
+227: 227
+228: 228
+229: 229
+230: 230
+231: 231
+232: 232
+233: 233
+234: 234
+235: 235
+236: 236
+237: 237
+238: 238
+239: 239
+240: 240
+241: 241
+242: 242
+243: 243
+244: 244
+245: 245
+246: 246
+247: 247
+248: 248
+249: 249
+250: 250
+251: 251
+252: 252
+253: 253
+254: 254
+255: 255
+256: 256
+257: 257
+258: 258
+259: 259
+260: 260
+261: 261
+262: 262
+263: 263
+264: 264
+265: 265
+266: 266
+267: 267
+268: 268
+269: 269
+270: ABC
+271: ABC
+
+/This one's here because Perl does this differently and PCRE can't at present/I
+Capturing subpattern count = 0
+No options
+First char = 'T'
+Need char = 't'
+
+/(main(O)?)+/I
+Capturing subpattern count = 2
+No options
+First char = 'm'
+Need char = 'n'
+ mainmain
+ 0: mainmain
+ 1: main
+ mainOmain
+ 0: mainOmain
+ 1: main
+ 2: O
+
+/These are all cases where Perl does it differently (nested captures)/I
+Capturing subpattern count = 1
+No options
+First char = 'T'
+Need char = 's'
+
+/^(a(b)?)+$/I
+Capturing subpattern count = 2
+Options: anchored
+No first char
+No need char
+ aba
+ 0: aba
+ 1: a
+ 2: b
+
+/^(aa(bb)?)+$/I
+Capturing subpattern count = 2
+Options: anchored
+No first char
+No need char
+ aabbaa
+ 0: aabbaa
+ 1: aa
+ 2: bb
+
+/^(aa|aa(bb))+$/I
+Capturing subpattern count = 2
+Options: anchored
+No first char
+No need char
+ aabbaa
+ 0: aabbaa
+ 1: aa
+ 2: bb
+
+/^(aa(bb)??)+$/I
+Capturing subpattern count = 2
+Options: anchored
+No first char
+No need char
+ aabbaa
+ 0: aabbaa
+ 1: aa
+ 2: bb
+
+/^(?:aa(bb)?)+$/I
+Capturing subpattern count = 1
+Options: anchored
+No first char
+No need char
+ aabbaa
+ 0: aabbaa
+ 1: bb
+
+/^(aa(b(b))?)+$/I
+Capturing subpattern count = 3
+Options: anchored
+No first char
+No need char
+ aabbaa
+ 0: aabbaa
+ 1: aa
+ 2: bb
+ 3: b
+
+/^(?:aa(b(b))?)+$/I
+Capturing subpattern count = 2
+Options: anchored
+No first char
+No need char
+ aabbaa
+ 0: aabbaa
+ 1: bb
+ 2: b
+
+/^(?:aa(b(?:b))?)+$/I
+Capturing subpattern count = 1
+Options: anchored
+No first char
+No need char
+ aabbaa
+ 0: aabbaa
+ 1: bb
+
+/^(?:aa(bb(?:b))?)+$/I
+Capturing subpattern count = 1
+Options: anchored
+No first char
+No need char
+ aabbbaa
+ 0: aabbbaa
+ 1: bbb
+
+/^(?:aa(b(?:bb))?)+$/I
+Capturing subpattern count = 1
+Options: anchored
+No first char
+No need char
+ aabbbaa
+ 0: aabbbaa
+ 1: bbb
+
+/^(?:aa(?:b(b))?)+$/I
+Capturing subpattern count = 1
+Options: anchored
+No first char
+No need char
+ aabbaa
+ 0: aabbaa
+ 1: b
+
+/^(?:aa(?:b(bb))?)+$/I
+Capturing subpattern count = 1
+Options: anchored
+No first char
+No need char
+ aabbbaa
+ 0: aabbbaa
+ 1: bb
+
+/^(aa(b(bb))?)+$/I
+Capturing subpattern count = 3
+Options: anchored
+No first char
+No need char
+ aabbbaa
+ 0: aabbbaa
+ 1: aa
+ 2: bbb
+ 3: bb
+
+/^(aa(bb(bb))?)+$/I
+Capturing subpattern count = 3
+Options: anchored
+No first char
+No need char
+ aabbbbaa
+ 0: aabbbbaa
+ 1: aa
+ 2: bbbb
+ 3: bb
+
+/--------------------------------------------------------------------/I
+Capturing subpattern count = 0
+No options
+First char = '-'
+Need char = '-'
+
+/#/IxDZ
+------------------------------------------------------------------
+ Bra
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: extended
+No first char
+No need char
+
+/a#/IxDZ
+------------------------------------------------------------------
+ Bra
+ a
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: extended
+First char = 'a'
+No need char
+
+/[\s]/DZ
+------------------------------------------------------------------
+ Bra
+ [\x09\x0a\x0c\x0d ]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/[\S]/DZ
+------------------------------------------------------------------
+ Bra
+ [\x00-\x08\x0b\x0e-\x1f!-\xff] (neg)
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/a(?i)b/DZ
+------------------------------------------------------------------
+ Bra
+ a
+ 01 Opt
+ NC b
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'b' (caseless)
+ ab
+ 0: ab
+ aB
+ 0: aB
+ *** Failers
+No match
+ AB
+No match
+
+/(a(?i)b)/DZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ a
+ 01 Opt
+ NC b
+ Ket
+ 00 Opt
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'b' (caseless)
+ ab
+ 0: ab
+ 1: ab
+ aB
+ 0: aB
+ 1: aB
+ *** Failers
+No match
+ AB
+No match
+
+/ (?i)abc/IxDZ
+------------------------------------------------------------------
+ Bra
+ NC abc
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: caseless extended
+First char = 'a' (caseless)
+Need char = 'c' (caseless)
+
+/#this is a comment
+ (?i)abc/IxDZ
+------------------------------------------------------------------
+ Bra
+ NC abc
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: caseless extended
+First char = 'a' (caseless)
+Need char = 'c' (caseless)
+
+/123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890/DZ
+------------------------------------------------------------------
+ Bra
+ 123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+First char = '1'
+Need char = '0'
+
+/\Q123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890/DZ
+------------------------------------------------------------------
+ Bra
+ 123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+First char = '1'
+Need char = '0'
+
+/\Q\E/DZ
+------------------------------------------------------------------
+ Bra
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+ \
+ 0:
+
+/\Q\Ex/DZ
+------------------------------------------------------------------
+ Bra
+ x
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+First char = 'x'
+No need char
+
+/ \Q\E/DZ
+------------------------------------------------------------------
+ Bra
+
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+First char = ' '
+No need char
+
+/a\Q\E/DZ
+------------------------------------------------------------------
+ Bra
+ a
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+First char = 'a'
+No need char
+ abc
+ 0: a
+ bca
+ 0: a
+ bac
+ 0: a
+
+/a\Q\Eb/DZ
+------------------------------------------------------------------
+ Bra
+ ab
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'b'
+ abc
+ 0: ab
+
+/\Q\Eabc/DZ
+------------------------------------------------------------------
+ Bra
+ abc
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'c'
+
+/x*+\w/DZ
+------------------------------------------------------------------
+ Bra
+ x*+
+ \w
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+No need char
+ *** Failers
+ 0: F
+ xxxxx
+No match
+
+/x?+/DZ
+------------------------------------------------------------------
+ Bra
+ x?+
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/x++/DZ
+------------------------------------------------------------------
+ Bra
+ x++
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'x'
+No need char
+
+/x{1,3}+/DZ
+------------------------------------------------------------------
+ Bra
+ Once
+ x
+ x{0,2}
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'x'
+No need char
+
+/(x)*+/DZ
+------------------------------------------------------------------
+ Bra
+ Once
+ Brazero
+ CBra 1
+ x
+ KetRmax
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+No options
+No first char
+No need char
+
+/^(\w++|\s++)*$/I
+Capturing subpattern count = 1
+Partial matching not supported
+Options: anchored
+No first char
+No need char
+ now is the time for all good men to come to the aid of the party
+ 0: now is the time for all good men to come to the aid of the party
+ 1: party
+ *** Failers
+No match
+ this is not a line with only words and spaces!
+No match
+
+/(\d++)(\w)/I
+Capturing subpattern count = 2
+Partial matching not supported
+No options
+No first char
+No need char
+ 12345a
+ 0: 12345a
+ 1: 12345
+ 2: a
+ *** Failers
+No match
+ 12345+
+No match
+
+/a++b/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+Need char = 'b'
+ aaab
+ 0: aaab
+
+/(a++b)/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+First char = 'a'
+Need char = 'b'
+ aaab
+ 0: aaab
+ 1: aaab
+
+/(a++)b/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+First char = 'a'
+Need char = 'b'
+ aaab
+ 0: aaab
+ 1: aaa
+
+/([^()]++|\([^()]*\))+/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+No need char
+ ((abc(ade)ufh()()x
+ 0: abc(ade)ufh()()x
+ 1: x
+
+/\(([^()]++|\([^()]+\))+\)/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+First char = '('
+Need char = ')'
+ (abc)
+ 0: (abc)
+ 1: abc
+ (abc(def)xyz)
+ 0: (abc(def)xyz)
+ 1: xyz
+ *** Failers
+No match
+ ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+
+/(abc){1,3}+/DZ
+------------------------------------------------------------------
+ Bra
+ Once
+ CBra 1
+ abc
+ Ket
+ Brazero
+ Bra
+ CBra 1
+ abc
+ Ket
+ Brazero
+ CBra 1
+ abc
+ Ket
+ Ket
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'c'
+
+/a+?+/I
+Failed: nothing to repeat at offset 3
+
+/a{2,3}?+b/I
+Failed: nothing to repeat at offset 7
+
+/(?U)a+?+/I
+Failed: nothing to repeat at offset 7
+
+/a{2,3}?+b/IU
+Failed: nothing to repeat at offset 7
+
+/x(?U)a++b/DZ
+------------------------------------------------------------------
+ Bra
+ x
+ a++
+ b
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'x'
+Need char = 'b'
+ xaaaab
+ 0: xaaaab
+
+/(?U)xa++b/DZ
+------------------------------------------------------------------
+ Bra
+ x
+ a++
+ b
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: ungreedy
+First char = 'x'
+Need char = 'b'
+ xaaaab
+ 0: xaaaab
+
+/^((a+)(?U)([ab]+)(?-U)([bc]+)(\w*))/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ CBra 1
+ CBra 2
+ a+
+ Ket
+ CBra 3
+ [ab]+?
+ Ket
+ CBra 4
+ [bc]+
+ Ket
+ CBra 5
+ \w*
+ Ket
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 5
+Partial matching not supported
+Options: anchored
+No first char
+No need char
+
+/^x(?U)a+b/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ x
+ a++
+ b
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: anchored
+No first char
+Need char = 'b'
+
+/^x(?U)(a+)b/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ x
+ CBra 1
+ a+?
+ Ket
+ b
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Partial matching not supported
+Options: anchored
+No first char
+Need char = 'b'
+
+/[.x.]/I
+Failed: POSIX collating elements are not supported at offset 0
+
+/[=x=]/I
+Failed: POSIX collating elements are not supported at offset 0
+
+/[:x:]/I
+Failed: POSIX named classes are supported only within a class at offset 0
+
+/\l/I
+Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+
+/\L/I
+Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+
+/\N{name}/I
+Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+
+/\u/I
+Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+
+/\U/I
+Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+
+/[/I
+Failed: missing terminating ] for character class at offset 1
+
+/[a-/I
+Failed: missing terminating ] for character class at offset 3
+
+/[[:space:]/I
+Failed: missing terminating ] for character class at offset 10
+
+/[\s]/IDZ
+------------------------------------------------------------------
+ Bra
+ [\x09\x0a\x0c\x0d ]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/[[:space:]]/IDZ
+------------------------------------------------------------------
+ Bra
+ [\x09-\x0d ]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/[[:space:]abcde]/IDZ
+------------------------------------------------------------------
+ Bra
+ [\x09-\x0d a-e]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/< (?: (?(R) \d++ | [^<>]*+) | (?R)) * >/Ix
+Capturing subpattern count = 0
+Partial matching not supported
+Options: extended
+First char = '<'
+Need char = '>'
+ <>
+ 0: <>
+ <abcd>
+ 0: <abcd>
+ <abc <123> hij>
+ 0: <abc <123> hij>
+ <abc <def> hij>
+ 0: <def>
+ <abc<>def>
+ 0: <abc<>def>
+ <abc<>
+ 0: <>
+ *** Failers
+No match
+ <abc
+No match
+
+|8J\$WE\<\.rX\+ix\[d1b\!H\#\?vV0vrK\:ZH1\=2M\>iV\;\?aPhFB\<\*vW\@QW\@sO9\}cfZA\-i\'w\%hKd6gt1UJP\,15_\#QY\$M\^Mss_U\/\]\&LK9\[5vQub\^w\[KDD\<EjmhUZ\?\.akp2dF\>qmj\;2\}YWFdYx\.Ap\]hjCPTP\(n28k\+3\;o\&WXqs\/gOXdr\$\:r\'do0\;b4c\(f_Gr\=\"\\4\)\[01T7ajQJvL\$W\~mL_sS\/4h\:x\*\[ZN\=KLs\&L5zX\/\/\>it\,o\:aU\(\;Z\>pW\&T7oP\'2K\^E\:x9\'c\[\%z\-\,64JQ5AeH_G\#KijUKghQw\^\\vea3a\?kka_G\$8\#\`\*kynsxzBLru\'\]k_\[7FrVx\}\^\=\$blx\>s\-N\%j\;D\*aZDnsw\:YKZ\%Q\.Kne9\#hP\?\+b3\(SOvL\,\^\;\&u5\@\?5C5Bhb\=m\-vEh_L15Jl\]U\)0RP6\{q\%L\^_z5E\'Dw6X\b|IDZ
+------------------------------------------------------------------
+ Bra
+ 8J$WE<.rX+ix[d1b!H#?vV0vrK:ZH1=2M>iV;?aPhFB<*vW@QW@sO9}cfZA-i'w%hKd6gt1UJP,15_#QY$M^Mss_U/]&LK9[5vQub^w[KDD<EjmhUZ?.akp2dF>qmj;2}YWFdYx.Ap]hjCPTP(n28k+3;o&WXqs/gOXdr$:r'do0;b4c(f_Gr="\4)[01T7ajQJvL$W~mL_sS/4h:x*[ZN=KLs&L5zX//>it,o:aU(;Z>pW&T7oP'2K^E:x9'c[%z-,64JQ5AeH_G#KijUKghQw^\vea3a?kka_G$8#`*kynsxzBLru']k_[7FrVx}^=$blx>s-N%j;D*aZDnsw:YKZ%Q.Kne9#hP?+b3(SOvL,^;&u5@?5C5Bhb=m-vEh_L15Jl]U)0RP6{q%L^_z5E'Dw6X
+ \b
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+First char = '8'
+Need char = 'X'
+
+|\$\<\.X\+ix\[d1b\!H\#\?vV0vrK\:ZH1\=2M\>iV\;\?aPhFB\<\*vW\@QW\@sO9\}cfZA\-i\'w\%hKd6gt1UJP\,15_\#QY\$M\^Mss_U\/\]\&LK9\[5vQub\^w\[KDD\<EjmhUZ\?\.akp2dF\>qmj\;2\}YWFdYx\.Ap\]hjCPTP\(n28k\+3\;o\&WXqs\/gOXdr\$\:r\'do0\;b4c\(f_Gr\=\"\\4\)\[01T7ajQJvL\$W\~mL_sS\/4h\:x\*\[ZN\=KLs\&L5zX\/\/\>it\,o\:aU\(\;Z\>pW\&T7oP\'2K\^E\:x9\'c\[\%z\-\,64JQ5AeH_G\#KijUKghQw\^\\vea3a\?kka_G\$8\#\`\*kynsxzBLru\'\]k_\[7FrVx\}\^\=\$blx\>s\-N\%j\;D\*aZDnsw\:YKZ\%Q\.Kne9\#hP\?\+b3\(SOvL\,\^\;\&u5\@\?5C5Bhb\=m\-vEh_L15Jl\]U\)0RP6\{q\%L\^_z5E\'Dw6X\b|IDZ
+------------------------------------------------------------------
+ Bra
+ $<.X+ix[d1b!H#?vV0vrK:ZH1=2M>iV;?aPhFB<*vW@QW@sO9}cfZA-i'w%hKd6gt1UJP,15_#QY$M^Mss_U/]&LK9[5vQub^w[KDD<EjmhUZ?.akp2dF>qmj;2}YWFdYx.Ap]hjCPTP(n28k+3;o&WXqs/gOXdr$:r'do0;b4c(f_Gr="\4)[01T7ajQJvL$W~mL_sS/4h:x*[ZN=KLs&L5zX//>it,o:aU(;Z>pW&T7oP'2K^E:x9'c[%z-,64JQ5AeH_G#KijUKghQw^\vea3a?kka_G$8#`*kynsxzBLru']k_[7FrVx}^=$blx>s-N%j;D*aZDnsw:YKZ%Q.Kne9#hP?+b3(SOvL,^;&u5@?5C5Bhb=m-vEh_L15Jl]U)0RP6{q%L^_z5E'Dw6X
+ \b
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+First char = '$'
+Need char = 'X'
+
+/(.*)\d+\1/I
+Capturing subpattern count = 1
+Max back reference = 1
+Partial matching not supported
+No options
+No first char
+No need char
+
+/(.*)\d+/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+First char at start or follows newline
+No need char
+
+/(.*)\d+\1/Is
+Capturing subpattern count = 1
+Max back reference = 1
+Partial matching not supported
+Options: dotall
+No first char
+No need char
+
+/(.*)\d+/Is
+Capturing subpattern count = 1
+Partial matching not supported
+Options: anchored dotall
+No first char
+No need char
+
+/(.*(xyz))\d+\2/I
+Capturing subpattern count = 2
+Max back reference = 2
+Partial matching not supported
+No options
+First char at start or follows newline
+Need char = 'z'
+
+/((.*))\d+\1/I
+Capturing subpattern count = 2
+Max back reference = 1
+Partial matching not supported
+No options
+No first char
+No need char
+ abc123bc
+ 0: bc123bc
+ 1: bc
+ 2: bc
+
+/a[b]/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'b'
+
+/(?=a).*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+First char = 'a'
+No need char
+
+/(?=abc).xyz/IiI
+Capturing subpattern count = 0
+Options: caseless
+First char = 'a' (caseless)
+Need char = 'z' (caseless)
+
+/(?=abc)(?i).xyz/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'z' (caseless)
+
+/(?=a)(?=b)/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+No need char
+
+/(?=.)a/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+No need char
+
+/((?=abcda)a)/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'a'
+
+/((?=abcda)ab)/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'b'
+
+/()a/I
+Capturing subpattern count = 1
+No options
+No first char
+Need char = 'a'
+
+/(?(1)ab|ac)(.)/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+No need char
+
+/(?(1)abz|acz)(.)/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'z'
+
+/(?(1)abz)(.)/I
+Capturing subpattern count = 1
+No options
+No first char
+No need char
+
+/(?(1)abz)(1)23/I
+Capturing subpattern count = 1
+No options
+No first char
+Need char = '3'
+
+/(a)+/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+No need char
+
+/(a){2,3}/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'a'
+
+/(a)*/I
+Capturing subpattern count = 1
+No options
+No first char
+No need char
+
+/[a]/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+No need char
+
+/[ab]/I
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/[ab]/IS
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+Starting byte set: a b
+
+/[^a]/I
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/\d456/I
+Capturing subpattern count = 0
+No options
+No first char
+Need char = '6'
+
+/\d456/IS
+Capturing subpattern count = 0
+No options
+No first char
+Need char = '6'
+Starting byte set: 0 1 2 3 4 5 6 7 8 9
+
+/a^b/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'b'
+
+/^a/Im
+Capturing subpattern count = 0
+Options: multiline
+First char at start or follows newline
+Need char = 'a'
+ abcde
+ 0: a
+ xy\nabc
+ 0: a
+ *** Failers
+No match
+ xyabc
+No match
+
+/c|abc/I
+Capturing subpattern count = 0
+No options
+No first char
+Need char = 'c'
+
+/(?i)[ab]/IS
+Capturing subpattern count = 0
+Options: caseless
+No first char
+No need char
+Starting byte set: A B a b
+
+/[ab](?i)cd/IS
+Capturing subpattern count = 0
+No options
+No first char
+Need char = 'd' (caseless)
+Starting byte set: a b
+
+/abc(?C)def/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'f'
+ abcdef
+--->abcdef
+ 0 ^ ^ d
+ 0: abcdef
+ 1234abcdef
+--->1234abcdef
+ 0 ^ ^ d
+ 0: abcdef
+ *** Failers
+No match
+ abcxyz
+No match
+ abcxyzf
+--->abcxyzf
+ 0 ^ ^ d
+No match
+
+/abc(?C)de(?C1)f/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'f'
+ 123abcdef
+--->123abcdef
+ 0 ^ ^ d
+ 1 ^ ^ f
+ 0: abcdef
+
+/(?C1)\dabc(?C2)def/I
+Capturing subpattern count = 0
+No options
+No first char
+Need char = 'f'
+ 1234abcdef
+--->1234abcdef
+ 1 ^ \d
+ 1 ^ \d
+ 1 ^ \d
+ 1 ^ \d
+ 2 ^ ^ d
+ 0: 4abcdef
+ *** Failers
+No match
+ abcdef
+--->abcdef
+ 1 ^ \d
+ 1 ^ \d
+ 1 ^ \d
+ 1 ^ \d
+ 1 ^ \d
+ 1 ^ \d
+No match
+
+/(?C255)ab/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'b'
+
+/(?C256)ab/I
+Failed: number after (?C is > 255 at offset 6
+
+/(?Cab)xx/I
+Failed: closing ) for (?C expected at offset 3
+
+/(?C12vr)x/I
+Failed: closing ) for (?C expected at offset 5
+
+/abc(?C)def/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'f'
+ *** Failers
+No match
+ \x83\x0\x61bcdef
+--->\x83\x00abcdef
+ 0 ^ ^ d
+ 0: abcdef
+
+/(abc)(?C)de(?C1)f/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'f'
+ 123abcdef
+--->123abcdef
+ 0 ^ ^ d
+ 1 ^ ^ f
+ 0: abcdef
+ 1: abc
+ 123abcdef\C+
+Callout 0: last capture = 1
+ 0: <unset>
+ 1: abc
+--->123abcdef
+ ^ ^ d
+Callout 1: last capture = 1
+ 0: <unset>
+ 1: abc
+--->123abcdef
+ ^ ^ f
+ 0: abcdef
+ 1: abc
+ 123abcdef\C-
+ 0: abcdef
+ 1: abc
+ *** Failers
+No match
+ 123abcdef\C!1
+--->123abcdef
+ 0 ^ ^ d
+ 1 ^ ^ f
+No match
+
+/(?C0)(abc(?C1))*/I
+Capturing subpattern count = 1
+No options
+No first char
+No need char
+ abcabcabc
+--->abcabcabc
+ 0 ^ (abc(?C1))*
+ 1 ^ ^ )
+ 1 ^ ^ )
+ 1 ^ ^ )
+ 0: abcabcabc
+ 1: abc
+ abcabc\C!1!3
+--->abcabc
+ 0 ^ (abc(?C1))*
+ 1 ^ ^ )
+ 1 ^ ^ )
+ 0: abcabc
+ 1: abc
+ *** Failers
+--->*** Failers
+ 0 ^ (abc(?C1))*
+ 0:
+ abcabcabc\C!1!3
+--->abcabcabc
+ 0 ^ (abc(?C1))*
+ 1 ^ ^ )
+ 1 ^ ^ )
+ 1 ^ ^ )
+ 0: abcabc
+ 1: abc
+
+/(\d{3}(?C))*/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+No need char
+ 123\C+
+Callout 0: last capture = -1
+ 0: <unset>
+--->123
+ ^ ^ )
+ 0: 123
+ 1: 123
+ 123456\C+
+Callout 0: last capture = -1
+ 0: <unset>
+--->123456
+ ^ ^ )
+Callout 0: last capture = 1
+ 0: <unset>
+ 1: 123
+--->123456
+ ^ ^ )
+ 0: 123456
+ 1: 456
+ 123456789\C+
+Callout 0: last capture = -1
+ 0: <unset>
+--->123456789
+ ^ ^ )
+Callout 0: last capture = 1
+ 0: <unset>
+ 1: 123
+--->123456789
+ ^ ^ )
+Callout 0: last capture = 1
+ 0: <unset>
+ 1: 456
+--->123456789
+ ^ ^ )
+ 0: 123456789
+ 1: 789
+
+/((xyz)(?C)p|(?C1)xyzabc)/I
+Capturing subpattern count = 2
+No options
+First char = 'x'
+No need char
+ xyzabc\C+
+Callout 0: last capture = 2
+ 0: <unset>
+ 1: <unset>
+ 2: xyz
+--->xyzabc
+ ^ ^ p
+Callout 1: last capture = -1
+ 0: <unset>
+--->xyzabc
+ ^ x
+ 0: xyzabc
+ 1: xyzabc
+
+/(X)((xyz)(?C)p|(?C1)xyzabc)/I
+Capturing subpattern count = 3
+No options
+First char = 'X'
+Need char = 'x'
+ Xxyzabc\C+
+Callout 0: last capture = 3
+ 0: <unset>
+ 1: X
+ 2: <unset>
+ 3: xyz
+--->Xxyzabc
+ ^ ^ p
+Callout 1: last capture = 1
+ 0: <unset>
+ 1: X
+--->Xxyzabc
+ ^^ x
+ 0: Xxyzabc
+ 1: X
+ 2: xyzabc
+
+/(?=(abc))(?C)abcdef/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'f'
+ abcdef\C+
+Callout 0: last capture = 1
+ 0: <unset>
+ 1: abc
+--->abcdef
+ ^ a
+ 0: abcdef
+ 1: abc
+
+/(?!(abc)(?C1)d)(?C2)abcxyz/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'z'
+ abcxyz\C+
+Callout 1: last capture = 1
+ 0: <unset>
+ 1: abc
+--->abcxyz
+ ^ ^ d
+Callout 2: last capture = -1
+ 0: <unset>
+--->abcxyz
+ ^ a
+ 0: abcxyz
+
+/(?<=(abc)(?C))xyz/I
+Capturing subpattern count = 1
+No options
+First char = 'x'
+Need char = 'z'
+ abcxyz\C+
+Callout 0: last capture = 1
+ 0: <unset>
+ 1: abc
+--->abcxyz
+ ^ )
+ 0: xyz
+ 1: abc
+
+/a(b+)(c*)(?C1)/I
+Capturing subpattern count = 2
+Partial matching not supported
+No options
+First char = 'a'
+Need char = 'b'
+ abbbbbccc\C*1
+--->abbbbbccc
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+No match
+
+/a(b+?)(c*?)(?C1)/I
+Capturing subpattern count = 2
+Partial matching not supported
+No options
+First char = 'a'
+Need char = 'b'
+ abbbbbccc\C*1
+--->abbbbbccc
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+ 1 ^ ^
+Callout data = 1
+No match
+
+/(?C)abc/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'c'
+
+/(?C)^abc/I
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/(?C)a|b/IS
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+Starting byte set: a b
+
+/(?R)/I
+Failed: recursive call could loop indefinitely at offset 3
+
+/(a|(?R))/I
+Failed: recursive call could loop indefinitely at offset 6
+
+/(ab|(bc|(de|(?R))))/I
+Failed: recursive call could loop indefinitely at offset 15
+
+/x(ab|(bc|(de|(?R))))/I
+Capturing subpattern count = 3
+No options
+First char = 'x'
+No need char
+ xab
+ 0: xab
+ 1: ab
+ xbc
+ 0: xbc
+ 1: bc
+ 2: bc
+ xde
+ 0: xde
+ 1: de
+ 2: de
+ 3: de
+ xxab
+ 0: xxab
+ 1: xab
+ 2: xab
+ 3: xab
+ xxxab
+ 0: xxxab
+ 1: xxab
+ 2: xxab
+ 3: xxab
+ *** Failers
+No match
+ xyab
+No match
+
+/(ab|(bc|(de|(?1))))/I
+Failed: recursive call could loop indefinitely at offset 15
+
+/x(ab|(bc|(de|(?1)x)x)x)/I
+Failed: recursive call could loop indefinitely at offset 16
+
+/^([^()]|\((?1)*\))*$/I
+Capturing subpattern count = 1
+Options: anchored
+No first char
+No need char
+ abc
+ 0: abc
+ 1: c
+ a(b)c
+ 0: a(b)c
+ 1: c
+ a(b(c))d
+ 0: a(b(c))d
+ 1: d
+ *** Failers)
+No match
+ a(b(c)d
+No match
+
+/^>abc>([^()]|\((?1)*\))*<xyz<$/I
+Capturing subpattern count = 1
+Options: anchored
+No first char
+Need char = '<'
+ >abc>123<xyz<
+ 0: >abc>123<xyz<
+ 1: 3
+ >abc>1(2)3<xyz<
+ 0: >abc>1(2)3<xyz<
+ 1: 3
+ >abc>(1(2)3)<xyz<
+ 0: >abc>(1(2)3)<xyz<
+ 1: (1(2)3)
+
+/(a(?1)b)/DZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ a
+ Once
+ Recurse
+ Ket
+ b
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'b'
+
+/(a(?1)+b)/DZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ a
+ Once
+ Recurse
+ KetRmax
+ b
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'b'
+
+/^\W*(?:((.)\W*(?1)\W*\2|)|((.)\W*(?3)\W*\4|\W*.\W*))\W*$/Ii
+Capturing subpattern count = 4
+Max back reference = 4
+Partial matching not supported
+Options: anchored caseless
+No first char
+No need char
+ 1221
+ 0: 1221
+ 1: 1221
+ 2: 1
+ Satan, oscillate my metallic sonatas!
+ 0: Satan, oscillate my metallic sonatas!
+ 1: <unset>
+ 2: <unset>
+ 3: Satan, oscillate my metallic sonatas
+ 4: S
+ A man, a plan, a canal: Panama!
+ 0: A man, a plan, a canal: Panama!
+ 1: <unset>
+ 2: <unset>
+ 3: A man, a plan, a canal: Panama
+ 4: A
+ Able was I ere I saw Elba.
+ 0: Able was I ere I saw Elba.
+ 1: <unset>
+ 2: <unset>
+ 3: Able was I ere I saw Elba
+ 4: A
+ *** Failers
+No match
+ The quick brown fox
+No match
+
+/^(\d+|\((?1)([+*-])(?1)\)|-(?1))$/I
+Capturing subpattern count = 2
+Partial matching not supported
+Options: anchored
+No first char
+No need char
+ 12
+ 0: 12
+ 1: 12
+ (((2+2)*-3)-7)
+ 0: (((2+2)*-3)-7)
+ 1: (((2+2)*-3)-7)
+ 2: -
+ -12
+ 0: -12
+ 1: -12
+ *** Failers
+No match
+ ((2+2)*-3)-7)
+No match
+
+/^(x(y|(?1){2})z)/I
+Capturing subpattern count = 2
+Options: anchored
+No first char
+No need char
+ xyz
+ 0: xyz
+ 1: xyz
+ 2: y
+ xxyzxyzz
+ 0: xxyzxyzz
+ 1: xxyzxyzz
+ 2: xyzxyz
+ *** Failers
+No match
+ xxyzz
+No match
+ xxyzxyzxyzz
+No match
+
+/((< (?: (?(R) \d++ | [^<>]*+) | (?2)) * >))/Ix
+Capturing subpattern count = 2
+Partial matching not supported
+Options: extended
+First char = '<'
+Need char = '>'
+ <>
+ 0: <>
+ 1: <>
+ 2: <>
+ <abcd>
+ 0: <abcd>
+ 1: <abcd>
+ 2: <abcd>
+ <abc <123> hij>
+ 0: <abc <123> hij>
+ 1: <abc <123> hij>
+ 2: <abc <123> hij>
+ <abc <def> hij>
+ 0: <def>
+ 1: <def>
+ 2: <def>
+ <abc<>def>
+ 0: <abc<>def>
+ 1: <abc<>def>
+ 2: <abc<>def>
+ <abc<>
+ 0: <>
+ 1: <>
+ 2: <>
+ *** Failers
+No match
+ <abc
+No match
+
+/(?1)/I
+Failed: reference to non-existent subpattern at offset 3
+
+/((?2)(abc)/I
+Failed: missing ) at offset 10
+
+/^(abc)def(?1)/I
+Capturing subpattern count = 1
+Options: anchored
+No first char
+No need char
+ abcdefabc
+ 0: abcdefabc
+ 1: abc
+
+/^(a|b|c)=(?1)+/I
+Capturing subpattern count = 1
+Options: anchored
+No first char
+No need char
+ a=a
+ 0: a=a
+ 1: a
+ a=b
+ 0: a=b
+ 1: a
+ a=bc
+ 0: a=bc
+ 1: a
+
+/^(a|b|c)=((?1))+/I
+Capturing subpattern count = 2
+Options: anchored
+No first char
+No need char
+ a=a
+ 0: a=a
+ 1: a
+ 2: a
+ a=b
+ 0: a=b
+ 1: a
+ 2: b
+ a=bc
+ 0: a=bc
+ 1: a
+ 2: c
+
+/a(?P<name1>b|c)d(?P<longername2>e)/DZ
+------------------------------------------------------------------
+ Bra
+ a
+ CBra 1
+ b
+ Alt
+ c
+ Ket
+ d
+ CBra 2
+ e
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 2
+Named capturing subpatterns:
+ longername2 2
+ name1 1
+No options
+First char = 'a'
+Need char = 'e'
+ abde
+ 0: abde
+ 1: b
+ 2: e
+ acde
+ 0: acde
+ 1: c
+ 2: e
+
+/(?:a(?P<c>c(?P<d>d)))(?P<a>a)/DZ
+------------------------------------------------------------------
+ Bra
+ Bra
+ a
+ CBra 1
+ c
+ CBra 2
+ d
+ Ket
+ Ket
+ Ket
+ CBra 3
+ a
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 3
+Named capturing subpatterns:
+ a 3
+ c 1
+ d 2
+No options
+First char = 'a'
+Need char = 'a'
+
+/(?P<a>a)...(?P=a)bbb(?P>a)d/DZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ a
+ Ket
+ Any
+ Any
+ Any
+ \1
+ bbb
+ Once
+ Recurse
+ Ket
+ d
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Max back reference = 1
+Named capturing subpatterns:
+ a 1
+No options
+First char = 'a'
+Need char = 'd'
+
+/^\W*(?:(?P<one>(?P<two>.)\W*(?P>one)\W*(?P=two)|)|(?P<three>(?P<four>.)\W*(?P>three)\W*(?P=four)|\W*.\W*))\W*$/Ii
+Capturing subpattern count = 4
+Max back reference = 4
+Named capturing subpatterns:
+ four 4
+ one 1
+ three 3
+ two 2
+Partial matching not supported
+Options: anchored caseless
+No first char
+No need char
+ 1221
+ 0: 1221
+ 1: 1221
+ 2: 1
+ Satan, oscillate my metallic sonatas!
+ 0: Satan, oscillate my metallic sonatas!
+ 1: <unset>
+ 2: <unset>
+ 3: Satan, oscillate my metallic sonatas
+ 4: S
+ A man, a plan, a canal: Panama!
+ 0: A man, a plan, a canal: Panama!
+ 1: <unset>
+ 2: <unset>
+ 3: A man, a plan, a canal: Panama
+ 4: A
+ Able was I ere I saw Elba.
+ 0: Able was I ere I saw Elba.
+ 1: <unset>
+ 2: <unset>
+ 3: Able was I ere I saw Elba
+ 4: A
+ *** Failers
+No match
+ The quick brown fox
+No match
+
+/((?(R)a|b))\1(?1)?/I
+Capturing subpattern count = 1
+Max back reference = 1
+No options
+No first char
+No need char
+ bb
+ 0: bb
+ 1: b
+ bbaa
+ 0: bba
+ 1: b
+
+/(.*)a/Is
+Capturing subpattern count = 1
+Partial matching not supported
+Options: anchored dotall
+No first char
+Need char = 'a'
+
+/(.*)a\1/Is
+Capturing subpattern count = 1
+Max back reference = 1
+Partial matching not supported
+Options: dotall
+No first char
+Need char = 'a'
+
+/(.*)a(b)\2/Is
+Capturing subpattern count = 2
+Max back reference = 2
+Partial matching not supported
+Options: anchored dotall
+No first char
+Need char = 'b'
+
+/((.*)a|(.*)b)z/Is
+Capturing subpattern count = 3
+Partial matching not supported
+Options: anchored dotall
+No first char
+Need char = 'z'
+
+/((.*)a|(.*)b)z\1/Is
+Capturing subpattern count = 3
+Max back reference = 1
+Partial matching not supported
+Options: dotall
+No first char
+Need char = 'z'
+
+/((.*)a|(.*)b)z\2/Is
+Capturing subpattern count = 3
+Max back reference = 2
+Partial matching not supported
+Options: dotall
+No first char
+Need char = 'z'
+
+/((.*)a|(.*)b)z\3/Is
+Capturing subpattern count = 3
+Max back reference = 3
+Partial matching not supported
+Options: dotall
+No first char
+Need char = 'z'
+
+/((.*)a|^(.*)b)z\3/Is
+Capturing subpattern count = 3
+Max back reference = 3
+Partial matching not supported
+Options: anchored dotall
+No first char
+Need char = 'z'
+
+/(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)a/Is
+Capturing subpattern count = 31
+Partial matching not supported
+Options: anchored dotall
+No first char
+No need char
+
+/(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)a\31/Is
+Capturing subpattern count = 31
+Max back reference = 31
+Partial matching not supported
+Options: dotall
+No first char
+No need char
+
+/(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)|(.*)a\32/Is
+Capturing subpattern count = 32
+Max back reference = 32
+Partial matching not supported
+Options: dotall
+No first char
+No need char
+
+/(a)(bc)/INDZ
+------------------------------------------------------------------
+ Bra
+ Bra
+ a
+ Ket
+ Bra
+ bc
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: no_auto_capture
+First char = 'a'
+Need char = 'c'
+ abc
+ 0: abc
+
+/(?P<one>a)(bc)/INDZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ a
+ Ket
+ Bra
+ bc
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Named capturing subpatterns:
+ one 1
+Options: no_auto_capture
+First char = 'a'
+Need char = 'c'
+ abc
+ 0: abc
+ 1: a
+
+/(a)(?P<named>bc)/INDZ
+------------------------------------------------------------------
+ Bra
+ Bra
+ a
+ Ket
+ CBra 1
+ bc
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Named capturing subpatterns:
+ named 1
+Options: no_auto_capture
+First char = 'a'
+Need char = 'c'
+
+/(a+)*zz/I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+Need char = 'z'
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaazzbbbbbb\M
+Minimum match() limit = 8
+Minimum match() recursion limit = 6
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaazz
+ 1: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ aaaaaaaaaaaaaz\M
+Minimum match() limit = 32768
+Minimum match() recursion limit = 42
+No match
+
+/(aaa(?C1)bbb|ab)/I
+Capturing subpattern count = 1
+No options
+First char = 'a'
+Need char = 'b'
+ aaabbb
+--->aaabbb
+ 1 ^ ^ b
+ 0: aaabbb
+ 1: aaabbb
+ aaabbb\C*0
+--->aaabbb
+ 1 ^ ^ b
+ 0: aaabbb
+ 1: aaabbb
+ aaabbb\C*1
+--->aaabbb
+ 1 ^ ^ b
+Callout data = 1
+ 0: ab
+ 1: ab
+ aaabbb\C*-1
+--->aaabbb
+ 1 ^ ^ b
+Callout data = -1
+No match
+
+/ab(?P<one>cd)ef(?P<two>gh)/I
+Capturing subpattern count = 2
+Named capturing subpatterns:
+ one 1
+ two 2
+No options
+First char = 'a'
+Need char = 'h'
+ abcdefgh
+ 0: abcdefgh
+ 1: cd
+ 2: gh
+ abcdefgh\C1\Gtwo
+ 0: abcdefgh
+ 1: cd
+ 2: gh
+ 1C cd (2)
+ G gh (2) two
+ abcdefgh\Cone\Ctwo
+ 0: abcdefgh
+ 1: cd
+ 2: gh
+ C cd (2) one
+ C gh (2) two
+ abcdefgh\Cthree
+no parentheses with name "three"
+ 0: abcdefgh
+ 1: cd
+ 2: gh
+copy substring three failed -7
+
+/(?P<Tes>)(?P<Test>)/DZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ Ket
+ CBra 2
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 2
+Named capturing subpatterns:
+ Tes 1
+ Test 2
+No options
+No first char
+No need char
+
+/(?P<Test>)(?P<Tes>)/DZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ Ket
+ CBra 2
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 2
+Named capturing subpatterns:
+ Tes 2
+ Test 1
+No options
+No first char
+No need char
+
+/(?P<Z>zz)(?P<A>aa)/I
+Capturing subpattern count = 2
+Named capturing subpatterns:
+ A 2
+ Z 1
+No options
+First char = 'z'
+Need char = 'a'
+ zzaa\CZ
+ 0: zzaa
+ 1: zz
+ 2: aa
+ C zz (2) Z
+ zzaa\CA
+ 0: zzaa
+ 1: zz
+ 2: aa
+ C aa (2) A
+
+/(?P<x>eks)(?P<x>eccs)/I
+Failed: two named subpatterns have the same name at offset 15
+
+/(?P<abc>abc(?P<def>def)(?P<abc>xyz))/I
+Failed: two named subpatterns have the same name at offset 30
+
+"\[((?P<elem>\d+)(,(?P>elem))*)\]"I
+Capturing subpattern count = 3
+Named capturing subpatterns:
+ elem 2
+Partial matching not supported
+No options
+First char = '['
+Need char = ']'
+ [10,20,30,5,5,4,4,2,43,23,4234]
+ 0: [10,20,30,5,5,4,4,2,43,23,4234]
+ 1: 10,20,30,5,5,4,4,2,43,23,4234
+ 2: 10
+ 3: ,4234
+ *** Failers
+No match
+ []
+No match
+
+"\[((?P<elem>\d+)(,(?P>elem))*)?\]"I
+Capturing subpattern count = 3
+Named capturing subpatterns:
+ elem 2
+Partial matching not supported
+No options
+First char = '['
+Need char = ']'
+ [10,20,30,5,5,4,4,2,43,23,4234]
+ 0: [10,20,30,5,5,4,4,2,43,23,4234]
+ 1: 10,20,30,5,5,4,4,2,43,23,4234
+ 2: 10
+ 3: ,4234
+ []
+ 0: []
+
+/(a(b(?2)c))?/DZ
+------------------------------------------------------------------
+ Bra
+ Brazero
+ CBra 1
+ a
+ CBra 2
+ b
+ Once
+ Recurse
+ Ket
+ c
+ Ket
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 2
+No options
+No first char
+No need char
+
+/(a(b(?2)c))*/DZ
+------------------------------------------------------------------
+ Bra
+ Brazero
+ CBra 1
+ a
+ CBra 2
+ b
+ Once
+ Recurse
+ Ket
+ c
+ Ket
+ KetRmax
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 2
+No options
+No first char
+No need char
+
+/(a(b(?2)c)){0,2}/DZ
+------------------------------------------------------------------
+ Bra
+ Brazero
+ Bra
+ CBra 1
+ a
+ CBra 2
+ b
+ Once
+ Recurse
+ Ket
+ c
+ Ket
+ Ket
+ Brazero
+ CBra 1
+ a
+ CBra 2
+ b
+ Once
+ Recurse
+ Ket
+ c
+ Ket
+ Ket
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 2
+No options
+No first char
+No need char
+
+/[ab]{1}+/DZ
+------------------------------------------------------------------
+ Bra
+ Once
+ [ab]{1,1}
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/((w\/|-|with)*(free|immediate)*.*?shipping\s*[!.-]*)/Ii
+Capturing subpattern count = 3
+Partial matching not supported
+Options: caseless
+No first char
+Need char = 'g' (caseless)
+ Baby Bjorn Active Carrier - With free SHIPPING!!
+ 0: Baby Bjorn Active Carrier - With free SHIPPING!!
+ 1: Baby Bjorn Active Carrier - With free SHIPPING!!
+
+/((w\/|-|with)*(free|immediate)*.*?shipping\s*[!.-]*)/IiS
+Capturing subpattern count = 3
+Partial matching not supported
+Options: caseless
+No first char
+Need char = 'g' (caseless)
+Study returned NULL
+ Baby Bjorn Active Carrier - With free SHIPPING!!
+ 0: Baby Bjorn Active Carrier - With free SHIPPING!!
+ 1: Baby Bjorn Active Carrier - With free SHIPPING!!
+
+/a*.*b/ISDZ
+------------------------------------------------------------------
+ Bra
+ a*
+ Any*
+ b
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+Need char = 'b'
+Study returned NULL
+
+/(a|b)*.?c/ISDZ
+------------------------------------------------------------------
+ Bra
+ Brazero
+ CBra 1
+ a
+ Alt
+ b
+ KetRmax
+ Any?
+ c
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+No options
+No first char
+Need char = 'c'
+Study returned NULL
+
+/abc(?C255)de(?C)f/DZ
+------------------------------------------------------------------
+ Bra
+ abc
+ Callout 255 10 1
+ de
+ Callout 0 16 1
+ f
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'f'
+
+/abcde/ICDZ
+------------------------------------------------------------------
+ Bra
+ Callout 255 0 1
+ a
+ Callout 255 1 1
+ b
+ Callout 255 2 1
+ c
+ Callout 255 3 1
+ d
+ Callout 255 4 1
+ e
+ Callout 255 5 0
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options:
+First char = 'a'
+Need char = 'e'
+ abcde
+--->abcde
+ +0 ^ a
+ +1 ^^ b
+ +2 ^ ^ c
+ +3 ^ ^ d
+ +4 ^ ^ e
+ +5 ^ ^
+ 0: abcde
+ abcdfe
+--->abcdfe
+ +0 ^ a
+ +1 ^^ b
+ +2 ^ ^ c
+ +3 ^ ^ d
+ +4 ^ ^ e
+No match
+
+/a*b/ICDZ
+------------------------------------------------------------------
+ Bra
+ Callout 255 0 2
+ a*+
+ Callout 255 2 1
+ b
+ Callout 255 3 0
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options:
+No first char
+Need char = 'b'
+ ab
+--->ab
+ +0 ^ a*
+ +2 ^^ b
+ +3 ^ ^
+ 0: ab
+ aaaab
+--->aaaab
+ +0 ^ a*
+ +2 ^ ^ b
+ +3 ^ ^
+ 0: aaaab
+ aaaacb
+--->aaaacb
+ +0 ^ a*
+ +2 ^ ^ b
+ +0 ^ a*
+ +2 ^ ^ b
+ +0 ^ a*
+ +2 ^ ^ b
+ +0 ^ a*
+ +2 ^^ b
+ +0 ^ a*
+ +2 ^ b
+ +0 ^ a*
+ +2 ^ b
+ +3 ^^
+ 0: b
+
+/a+b/ICDZ
+------------------------------------------------------------------
+ Bra
+ Callout 255 0 2
+ a++
+ Callout 255 2 1
+ b
+ Callout 255 3 0
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options:
+First char = 'a'
+Need char = 'b'
+ ab
+--->ab
+ +0 ^ a+
+ +2 ^^ b
+ +3 ^ ^
+ 0: ab
+ aaaab
+--->aaaab
+ +0 ^ a+
+ +2 ^ ^ b
+ +3 ^ ^
+ 0: aaaab
+ aaaacb
+--->aaaacb
+ +0 ^ a+
+ +2 ^ ^ b
+ +0 ^ a+
+ +2 ^ ^ b
+ +0 ^ a+
+ +2 ^ ^ b
+ +0 ^ a+
+ +2 ^^ b
+No match
+
+/(abc|def)x/ICDZ
+------------------------------------------------------------------
+ Bra
+ Callout 255 0 9
+ CBra 1
+ Callout 255 1 1
+ a
+ Callout 255 2 1
+ b
+ Callout 255 3 1
+ c
+ Callout 255 4 0
+ Alt
+ Callout 255 5 1
+ d
+ Callout 255 6 1
+ e
+ Callout 255 7 1
+ f
+ Callout 255 8 0
+ Ket
+ Callout 255 9 1
+ x
+ Callout 255 10 0
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Options:
+No first char
+Need char = 'x'
+ abcx
+--->abcx
+ +0 ^ (abc|def)
+ +1 ^ a
+ +2 ^^ b
+ +3 ^ ^ c
+ +4 ^ ^ |
+ +9 ^ ^ x
++10 ^ ^
+ 0: abcx
+ 1: abc
+ defx
+--->defx
+ +0 ^ (abc|def)
+ +1 ^ a
+ +5 ^ d
+ +6 ^^ e
+ +7 ^ ^ f
+ +8 ^ ^ )
+ +9 ^ ^ x
++10 ^ ^
+ 0: defx
+ 1: def
+ abcdefzx
+--->abcdefzx
+ +0 ^ (abc|def)
+ +1 ^ a
+ +2 ^^ b
+ +3 ^ ^ c
+ +4 ^ ^ |
+ +9 ^ ^ x
+ +5 ^ d
+ +0 ^ (abc|def)
+ +1 ^ a
+ +5 ^ d
+ +0 ^ (abc|def)
+ +1 ^ a
+ +5 ^ d
+ +0 ^ (abc|def)
+ +1 ^ a
+ +5 ^ d
+ +6 ^^ e
+ +7 ^ ^ f
+ +8 ^ ^ )
+ +9 ^ ^ x
+ +0 ^ (abc|def)
+ +1 ^ a
+ +5 ^ d
+ +0 ^ (abc|def)
+ +1 ^ a
+ +5 ^ d
+ +0 ^ (abc|def)
+ +1 ^ a
+ +5 ^ d
+ +0 ^ (abc|def)
+ +1 ^ a
+ +5 ^ d
+No match
+
+/(ab|cd){3,4}/IC
+Capturing subpattern count = 1
+Options:
+No first char
+No need char
+ ababab
+--->ababab
+ +0 ^ (ab|cd){3,4}
+ +1 ^ a
+ +2 ^^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +2 ^ ^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +2 ^ ^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +4 ^ ^ c
++12 ^ ^
+ 0: ababab
+ 1: ab
+ abcdabcd
+--->abcdabcd
+ +0 ^ (ab|cd){3,4}
+ +1 ^ a
+ +2 ^^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ )
+ +1 ^ ^ a
+ +2 ^ ^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ )
++12 ^ ^
+ 0: abcdabcd
+ 1: cd
+ abcdcdcdcdcd
+--->abcdcdcdcdcd
+ +0 ^ (ab|cd){3,4}
+ +1 ^ a
+ +2 ^^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ )
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ )
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ )
++12 ^ ^
+ 0: abcdcdcd
+ 1: cd
+
+/([ab]{,4}c|xy)/ICDZ
+------------------------------------------------------------------
+ Bra
+ Callout 255 0 14
+ CBra 1
+ Callout 255 1 4
+ [ab]
+ Callout 255 5 1
+ {
+ Callout 255 6 1
+ ,
+ Callout 255 7 1
+ 4
+ Callout 255 8 1
+ }
+ Callout 255 9 1
+ c
+ Callout 255 10 0
+ Alt
+ Callout 255 11 1
+ x
+ Callout 255 12 1
+ y
+ Callout 255 13 0
+ Ket
+ Callout 255 14 0
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Options:
+No first char
+No need char
+ Note: that { does NOT introduce a quantifier
+--->Note: that { does NOT introduce a quantifier
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
+ +5 ^^ {
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
+ +5 ^^ {
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
+ +5 ^^ {
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+ +0 ^ ([ab]{,4}c|xy)
+ +1 ^ [ab]
++11 ^ x
+No match
+
+/([ab]{1,4}c|xy){4,5}?123/ICDZ
+------------------------------------------------------------------
+ Bra
+ Callout 255 0 21
+ CBra 1
+ Callout 255 1 9
+ [ab]{1,4}
+ Callout 255 10 1
+ c
+ Callout 255 11 0
+ Alt
+ Callout 255 12 1
+ x
+ Callout 255 13 1
+ y
+ Callout 255 14 0
+ Ket
+ CBra 1
+ Callout 255 1 9
+ [ab]{1,4}
+ Callout 255 10 1
+ c
+ Callout 255 11 0
+ Alt
+ Callout 255 12 1
+ x
+ Callout 255 13 1
+ y
+ Callout 255 14 0
+ Ket
+ CBra 1
+ Callout 255 1 9
+ [ab]{1,4}
+ Callout 255 10 1
+ c
+ Callout 255 11 0
+ Alt
+ Callout 255 12 1
+ x
+ Callout 255 13 1
+ y
+ Callout 255 14 0
+ Ket
+ CBra 1
+ Callout 255 1 9
+ [ab]{1,4}
+ Callout 255 10 1
+ c
+ Callout 255 11 0
+ Alt
+ Callout 255 12 1
+ x
+ Callout 255 13 1
+ y
+ Callout 255 14 0
+ Ket
+ Braminzero
+ CBra 1
+ Callout 255 1 9
+ [ab]{1,4}
+ Callout 255 10 1
+ c
+ Callout 255 11 0
+ Alt
+ Callout 255 12 1
+ x
+ Callout 255 13 1
+ y
+ Callout 255 14 0
+ Ket
+ Callout 255 21 1
+ 1
+ Callout 255 22 1
+ 2
+ Callout 255 23 1
+ 3
+ Callout 255 24 0
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Partial matching not supported
+Options:
+No first char
+Need char = '3'
+ aacaacaacaacaac123
+--->aacaacaacaacaac123
+ +0 ^ ([ab]{1,4}c|xy){4,5}?
+ +1 ^ [ab]{1,4}
++10 ^ ^ c
++11 ^ ^ |
+ +1 ^ ^ [ab]{1,4}
++10 ^ ^ c
++11 ^ ^ |
+ +1 ^ ^ [ab]{1,4}
++10 ^ ^ c
++11 ^ ^ |
+ +1 ^ ^ [ab]{1,4}
++10 ^ ^ c
++11 ^ ^ |
++21 ^ ^ 1
+ +1 ^ ^ [ab]{1,4}
++10 ^ ^ c
++11 ^ ^ |
++21 ^ ^ 1
++22 ^ ^ 2
++23 ^ ^ 3
++24 ^ ^
+ 0: aacaacaacaacaac123
+ 1: aac
+
+/\b.*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+No need char
+ ab cd\>1
+ 0: cd
+
+/\b.*/Is
+Capturing subpattern count = 0
+Partial matching not supported
+Options: dotall
+No first char
+No need char
+ ab cd\>1
+ 0: cd
+
+/(?!.bcd).*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+No need char
+ Xbcd12345
+ 0: bcd12345
+
+/abcde/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'e'
+ ab\P
+Partial match
+ abc\P
+Partial match
+ abcd\P
+Partial match
+ abcde\P
+ 0: abcde
+ the quick brown abc\P
+Partial match
+ ** Failers\P
+No match
+ the quick brown abxyz fox\P
+No match
+
+"^(0?[1-9]|[12][0-9]|3[01])/(0?[1-9]|1[012])/(20)?\d\d$"I
+Capturing subpattern count = 3
+Options: anchored
+No first char
+Need char = '/'
+ 13/05/04\P
+ 0: 13/05/04
+ 1: 13
+ 2: 05
+ 13/5/2004\P
+ 0: 13/5/2004
+ 1: 13
+ 2: 5
+ 3: 20
+ 02/05/09\P
+ 0: 02/05/09
+ 1: 02
+ 2: 05
+ 1\P
+Partial match
+ 1/2\P
+Partial match
+ 1/2/0\P
+Partial match
+ 1/2/04\P
+ 0: 1/2/04
+ 1: 1
+ 2: 2
+ 0\P
+Partial match
+ 02/\P
+Partial match
+ 02/0\P
+Partial match
+ 02/1\P
+Partial match
+ ** Failers\P
+No match
+ \P
+No match
+ 123\P
+No match
+ 33/4/04\P
+No match
+ 3/13/04\P
+No match
+ 0/1/2003\P
+No match
+ 0/\P
+No match
+ 02/0/\P
+No match
+ 02/13\P
+No match
+
+/0{0,2}ABC/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+Need char = 'C'
+
+/\d{3,}ABC/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+Need char = 'C'
+
+/\d*ABC/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+Need char = 'C'
+
+/[abc]+DE/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+Need char = 'E'
+
+/[abc]?123/I
+Capturing subpattern count = 0
+No options
+No first char
+Need char = '3'
+ 123\P
+ 0: 123
+ a\P
+Partial match
+ b\P
+Partial match
+ c\P
+Partial match
+ c12\P
+Partial match
+ c123\P
+ 0: c123
+
+/^(?:\d){3,5}X/I
+Capturing subpattern count = 0
+Options: anchored
+No first char
+Need char = 'X'
+ 1\P
+Partial match
+ 123\P
+Partial match
+ 123X
+ 0: 123X
+ 1234\P
+Partial match
+ 1234X
+ 0: 1234X
+ 12345\P
+Partial match
+ 12345X
+ 0: 12345X
+ *** Failers
+No match
+ 1X
+No match
+ 123456\P
+No match
+
+/abc/I>testsavedregex
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'c'
+Compiled regex written to testsavedregex
+<testsavedregex
+Compiled regex loaded from testsavedregex
+No study data
+ abc
+ 0: abc
+ ** Failers
+No match
+ bca
+No match
+
+/abc/IF>testsavedregex
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'c'
+Compiled regex written to testsavedregex
+<testsavedregex
+Compiled regex (byte-inverted) loaded from testsavedregex
+No study data
+ abc
+ 0: abc
+ ** Failers
+No match
+ bca
+No match
+
+/(a|b)/IS>testsavedregex
+Capturing subpattern count = 1
+No options
+No first char
+No need char
+Starting byte set: a b
+Compiled regex written to testsavedregex
+Study data written to testsavedregex
+<testsavedregex
+Compiled regex loaded from testsavedregex
+Study data loaded from testsavedregex
+ abc
+ 0: a
+ 1: a
+ ** Failers
+ 0: a
+ 1: a
+ def
+No match
+
+/(a|b)/ISF>testsavedregex
+Capturing subpattern count = 1
+No options
+No first char
+No need char
+Starting byte set: a b
+Compiled regex written to testsavedregex
+Study data written to testsavedregex
+<testsavedregex
+Compiled regex (byte-inverted) loaded from testsavedregex
+Study data loaded from testsavedregex
+ abc
+ 0: a
+ 1: a
+ ** Failers
+ 0: a
+ 1: a
+ def
+No match
+
+~<(\w+)/?>(.)*</(\1)>~smgI
+Capturing subpattern count = 3
+Max back reference = 1
+Partial matching not supported
+Options: multiline dotall
+First char = '<'
+Need char = '>'
+ <!DOCTYPE seite SYSTEM "http://www.lco.lineas.de/xmlCms.dtd">\n<seite>\n<dokumenteninformation>\n<seitentitel>Partner der LCO</seitentitel>\n<sprache>de</sprache>\n<seitenbeschreibung>Partner der LINEAS Consulting\nGmbH</seitenbeschreibung>\n<schluesselworte>LINEAS Consulting GmbH Hamburg\nPartnerfirmen</schluesselworte>\n<revisit>30 days</revisit>\n<robots>index,follow</robots>\n<menueinformation>\n<aktiv>ja</aktiv>\n<menueposition>3</menueposition>\n<menuetext>Partner</menuetext>\n</menueinformation>\n<lastedited>\n<autor>LCO</autor>\n<firma>LINEAS Consulting</firma>\n<datum>15.10.2003</datum>\n</lastedited>\n</dokumenteninformation>\n<inhalt>\n\n<absatzueberschrift>Die Partnerfirmen der LINEAS Consulting\nGmbH</absatzueberschrift>\n\n<absatz><link ziel="http://www.ca.com/" zielfenster="_blank">\n<bild name="logo_ca.gif" rahmen="no"/></link> <link\nziel="http://www.ey.com/" zielfenster="_blank"><bild\nname="logo_euy.gif" rahmen="no"/></link>\n</absatz>\n\n<absatz><link ziel="http://www.cisco.de/" zielfenster="_blank">\n<bild name="logo_cisco.gif" rahmen="ja"/></link></absatz>\n\n<absatz><link ziel="http://www.atelion.de/"\nzielfenster="_blank"><bild\nname="logo_atelion.gif" rahmen="no"/></link>\n</absatz>\n\n<absatz><link ziel="http://www.line-information.de/"\nzielfenster="_blank">\n<bild name="logo_line_information.gif" rahmen="no"/></link>\n</absatz>\n\n<absatz><bild name="logo_aw.gif" rahmen="no"/></absatz>\n\n<absatz><link ziel="http://www.incognis.de/"\nzielfenster="_blank"><bild\nname="logo_incognis.gif" rahmen="no"/></link></absatz>\n\n<absatz><link ziel="http://www.addcraft.com/"\nzielfenster="_blank"><bild\nname="logo_addcraft.gif" rahmen="no"/></link></absatz>\n\n<absatz><link ziel="http://www.comendo.com/"\nzielfenster="_blank"><bild\nname="logo_comendo.gif" rahmen="no"/></link></absatz>\n\n</inhalt>\n</seite>
+ 0: <seite>\x0a<dokumenteninformation>\x0a<seitentitel>Partner der LCO</seitentitel>\x0a<sprache>de</sprache>\x0a<seitenbeschreibung>Partner der LINEAS Consulting\x0aGmbH</seitenbeschreibung>\x0a<schluesselworte>LINEAS Consulting GmbH Hamburg\x0aPartnerfirmen</schluesselworte>\x0a<revisit>30 days</revisit>\x0a<robots>index,follow</robots>\x0a<menueinformation>\x0a<aktiv>ja</aktiv>\x0a<menueposition>3</menueposition>\x0a<menuetext>Partner</menuetext>\x0a</menueinformation>\x0a<lastedited>\x0a<autor>LCO</autor>\x0a<firma>LINEAS Consulting</firma>\x0a<datum>15.10.2003</datum>\x0a</lastedited>\x0a</dokumenteninformation>\x0a<inhalt>\x0a\x0a<absatzueberschrift>Die Partnerfirmen der LINEAS Consulting\x0aGmbH</absatzueberschrift>\x0a\x0a<absatz><link ziel="http://www.ca.com/" zielfenster="_blank">\x0a<bild name="logo_ca.gif" rahmen="no"/></link> <link\x0aziel="http://www.ey.com/" zielfenster="_blank"><bild\x0aname="logo_euy.gif" rahmen="no"/></link>\x0a</absatz>\x0a\x0a<absatz><link ziel="http://www.cisco.de/" zielfenster="_blank">\x0a<bild name="logo_cisco.gif" rahmen="ja"/></link></absatz>\x0a\x0a<absatz><link ziel="http://www.atelion.de/"\x0azielfenster="_blank"><bild\x0aname="logo_atelion.gif" rahmen="no"/></link>\x0a</absatz>\x0a\x0a<absatz><link ziel="http://www.line-information.de/"\x0azielfenster="_blank">\x0a<bild name="logo_line_information.gif" rahmen="no"/></link>\x0a</absatz>\x0a\x0a<absatz><bild name="logo_aw.gif" rahmen="no"/></absatz>\x0a\x0a<absatz><link ziel="http://www.incognis.de/"\x0azielfenster="_blank"><bild\x0aname="logo_incognis.gif" rahmen="no"/></link></absatz>\x0a\x0a<absatz><link ziel="http://www.addcraft.com/"\x0azielfenster="_blank"><bild\x0aname="logo_addcraft.gif" rahmen="no"/></link></absatz>\x0a\x0a<absatz><link ziel="http://www.comendo.com/"\x0azielfenster="_blank"><bild\x0aname="logo_comendo.gif" rahmen="no"/></link></absatz>\x0a\x0a</inhalt>\x0a</seite>
+ 1: seite
+ 2: \x0a
+ 3: seite
+
+/^a/IF
+Capturing subpattern count = 0
+Options: anchored
+No first char
+No need char
+
+/line\nbreak/I
+Capturing subpattern count = 0
+Contains explicit CR or LF match
+No options
+First char = 'l'
+Need char = 'k'
+ this is a line\nbreak
+ 0: line\x0abreak
+ line one\nthis is a line\nbreak in the second line
+ 0: line\x0abreak
+
+/line\nbreak/If
+Capturing subpattern count = 0
+Contains explicit CR or LF match
+Options: firstline
+First char = 'l'
+Need char = 'k'
+ this is a line\nbreak
+ 0: line\x0abreak
+ ** Failers
+No match
+ line one\nthis is a line\nbreak in the second line
+No match
+
+/line\nbreak/Imf
+Capturing subpattern count = 0
+Contains explicit CR or LF match
+Options: multiline firstline
+First char = 'l'
+Need char = 'k'
+ this is a line\nbreak
+ 0: line\x0abreak
+ ** Failers
+No match
+ line one\nthis is a line\nbreak in the second line
+No match
+
+/ab.cd/IP
+ ab-cd
+ 0: ab-cd
+ ab=cd
+ 0: ab=cd
+ ** Failers
+No match: POSIX code 17: match failed
+ ab\ncd
+No match: POSIX code 17: match failed
+
+/ab.cd/IPs
+ ab-cd
+ 0: ab-cd
+ ab=cd
+ 0: ab=cd
+ ab\ncd
+ 0: ab\x0acd
+
+/(?i)(?-i)AbCd/I
+Capturing subpattern count = 0
+No options
+First char = 'A'
+Need char = 'd'
+ AbCd
+ 0: AbCd
+ ** Failers
+No match
+ abcd
+No match
+
+/a{11111111111111111111}/I
+Failed: number too big in {} quantifier at offset 22
+
+/(){64294967295}/I
+Failed: number too big in {} quantifier at offset 14
+
+/(){2,4294967295}/I
+Failed: number too big in {} quantifier at offset 15
+
+"(?i:a)(?i:b)(?i:c)(?i:d)(?i:e)(?i:f)(?i:g)(?i:h)(?i:i)(?i:j)(k)(?i:l)A\1B"I
+Capturing subpattern count = 1
+Max back reference = 1
+No options
+First char = 'a' (caseless)
+Need char = 'B'
+ abcdefghijklAkB
+ 0: abcdefghijklAkB
+ 1: k
+
+"(?P<n0>a)(?P<n1>b)(?P<n2>c)(?P<n3>d)(?P<n4>e)(?P<n5>f)(?P<n6>g)(?P<n7>h)(?P<n8>i)(?P<n9>j)(?P<n10>k)(?P<n11>l)A\11B"I
+Capturing subpattern count = 12
+Max back reference = 11
+Named capturing subpatterns:
+ n0 1
+ n1 2
+ n10 11
+ n11 12
+ n2 3
+ n3 4
+ n4 5
+ n5 6
+ n6 7
+ n7 8
+ n8 9
+ n9 10
+No options
+First char = 'a'
+Need char = 'B'
+ abcdefghijklAkB
+ 0: abcdefghijklAkB
+ 1: a
+ 2: b
+ 3: c
+ 4: d
+ 5: e
+ 6: f
+ 7: g
+ 8: h
+ 9: i
+10: j
+11: k
+12: l
+
+"(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)A\11B"I
+Capturing subpattern count = 12
+Max back reference = 11
+No options
+First char = 'a'
+Need char = 'B'
+ abcdefghijklAkB
+ 0: abcdefghijklAkB
+ 1: a
+ 2: b
+ 3: c
+ 4: d
+ 5: e
+ 6: f
+ 7: g
+ 8: h
+ 9: i
+10: j
+11: k
+12: l
+
+"(?P<name0>a)(?P<name1>a)(?P<name2>a)(?P<name3>a)(?P<name4>a)(?P<name5>a)(?P<name6>a)(?P<name7>a)(?P<name8>a)(?P<name9>a)(?P<name10>a)(?P<name11>a)(?P<name12>a)(?P<name13>a)(?P<name14>a)(?P<name15>a)(?P<name16>a)(?P<name17>a)(?P<name18>a)(?P<name19>a)(?P<name20>a)(?P<name21>a)(?P<name22>a)(?P<name23>a)(?P<name24>a)(?P<name25>a)(?P<name26>a)(?P<name27>a)(?P<name28>a)(?P<name29>a)(?P<name30>a)(?P<name31>a)(?P<name32>a)(?P<name33>a)(?P<name34>a)(?P<name35>a)(?P<name36>a)(?P<name37>a)(?P<name38>a)(?P<name39>a)(?P<name40>a)(?P<name41>a)(?P<name42>a)(?P<name43>a)(?P<name44>a)(?P<name45>a)(?P<name46>a)(?P<name47>a)(?P<name48>a)(?P<name49>a)(?P<name50>a)(?P<name51>a)(?P<name52>a)(?P<name53>a)(?P<name54>a)(?P<name55>a)(?P<name56>a)(?P<name57>a)(?P<name58>a)(?P<name59>a)(?P<name60>a)(?P<name61>a)(?P<name62>a)(?P<name63>a)(?P<name64>a)(?P<name65>a)(?P<name66>a)(?P<name67>a)(?P<name68>a)(?P<name69>a)(?P<name70>a)(?P<name71>a)(?P<name72>a)(?P<name73>a)(?P<name74>a)(?P<name75>a)(?P<name76>a)(?P<name77>a)(?P<name78>a)(?P<name79>a)(?P<name80>a)(?P<name81>a)(?P<name82>a)(?P<name83>a)(?P<name84>a)(?P<name85>a)(?P<name86>a)(?P<name87>a)(?P<name88>a)(?P<name89>a)(?P<name90>a)(?P<name91>a)(?P<name92>a)(?P<name93>a)(?P<name94>a)(?P<name95>a)(?P<name96>a)(?P<name97>a)(?P<name98>a)(?P<name99>a)(?P<name100>a)"I
+Capturing subpattern count = 101
+Named capturing subpatterns:
+ name0 1
+ name1 2
+ name10 11
+ name100 101
+ name11 12
+ name12 13
+ name13 14
+ name14 15
+ name15 16
+ name16 17
+ name17 18
+ name18 19
+ name19 20
+ name2 3
+ name20 21
+ name21 22
+ name22 23
+ name23 24
+ name24 25
+ name25 26
+ name26 27
+ name27 28
+ name28 29
+ name29 30
+ name3 4
+ name30 31
+ name31 32
+ name32 33
+ name33 34
+ name34 35
+ name35 36
+ name36 37
+ name37 38
+ name38 39
+ name39 40
+ name4 5
+ name40 41
+ name41 42
+ name42 43
+ name43 44
+ name44 45
+ name45 46
+ name46 47
+ name47 48
+ name48 49
+ name49 50
+ name5 6
+ name50 51
+ name51 52
+ name52 53
+ name53 54
+ name54 55
+ name55 56
+ name56 57
+ name57 58
+ name58 59
+ name59 60
+ name6 7
+ name60 61
+ name61 62
+ name62 63
+ name63 64
+ name64 65
+ name65 66
+ name66 67
+ name67 68
+ name68 69
+ name69 70
+ name7 8
+ name70 71
+ name71 72
+ name72 73
+ name73 74
+ name74 75
+ name75 76
+ name76 77
+ name77 78
+ name78 79
+ name79 80
+ name8 9
+ name80 81
+ name81 82
+ name82 83
+ name83 84
+ name84 85
+ name85 86
+ name86 87
+ name87 88
+ name88 89
+ name89 90
+ name9 10
+ name90 91
+ name91 92
+ name92 93
+ name93 94
+ name94 95
+ name95 96
+ name96 97
+ name97 98
+ name98 99
+ name99 100
+No options
+First char = 'a'
+Need char = 'a'
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+Matched, but too many substrings
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 1: a
+ 2: a
+ 3: a
+ 4: a
+ 5: a
+ 6: a
+ 7: a
+ 8: a
+ 9: a
+10: a
+11: a
+12: a
+13: a
+14: a
+
+"(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)(a)"I
+Capturing subpattern count = 101
+No options
+First char = 'a'
+Need char = 'a'
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+Matched, but too many substrings
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 1: a
+ 2: a
+ 3: a
+ 4: a
+ 5: a
+ 6: a
+ 7: a
+ 8: a
+ 9: a
+10: a
+11: a
+12: a
+13: a
+14: a
+
+/[^()]*(?:\((?R)\)[^()]*)*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+No need char
+ (this(and)that
+ 0:
+ (this(and)that)
+ 0: (this(and)that)
+ (this(and)that)stuff
+ 0: (this(and)that)stuff
+
+/[^()]*(?:\((?>(?R))\)[^()]*)*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+No need char
+ (this(and)that
+ 0:
+ (this(and)that)
+ 0: (this(and)that)
+
+/[^()]*(?:\((?R)\))*[^()]*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+No need char
+ (this(and)that
+ 0:
+ (this(and)that)
+ 0: (this(and)that)
+
+/(?:\((?R)\))*[^()]*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+No need char
+ (this(and)that
+ 0:
+ (this(and)that)
+ 0:
+ ((this))
+ 0: ((this))
+
+/(?:\((?R)\))|[^()]*/I
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+No need char
+ (this(and)that
+ 0:
+ (this(and)that)
+ 0:
+ (this)
+ 0: (this)
+ ((this))
+ 0: ((this))
+
+/a(b)c/IPN
+ abc
+Matched with REG_NOSUB
+
+/a(?P<name>b)c/IPN
+ abc
+Matched with REG_NOSUB
+
+/\x{100}/I
+Failed: character value in \x{...} sequence is too large at offset 6
+
+/\x{0000ff}/I
+Capturing subpattern count = 0
+No options
+First char = 255
+No need char
+
+/^((?P<A>a1)|(?P<A>a2)b)/I
+Failed: two named subpatterns have the same name at offset 17
+
+/^((?P<A>a1)|(?P<A>a2)b)/IJ
+Capturing subpattern count = 3
+Named capturing subpatterns:
+ A 2
+ A 3
+Options: anchored dupnames
+No first char
+No need char
+ a1b\CA
+ 0: a1
+ 1: a1
+ 2: a1
+ C a1 (2) A
+ a2b\CA
+ 0: a2b
+ 1: a2b
+ 2: <unset>
+ 3: a2
+ C a2 (2) A
+ ** Failers
+No match
+ a1b\CZ\CA
+no parentheses with name "Z"
+ 0: a1
+ 1: a1
+ 2: a1
+copy substring Z failed -7
+ C a1 (2) A
+
+/^(?P<A>a)(?P<A>b)/IJ
+Capturing subpattern count = 2
+Named capturing subpatterns:
+ A 1
+ A 2
+Options: anchored dupnames
+No first char
+No need char
+ ab\CA
+ 0: ab
+ 1: a
+ 2: b
+ C a (1) A
+
+/^(?P<A>a)(?P<A>b)|cd/IJ
+Capturing subpattern count = 2
+Named capturing subpatterns:
+ A 1
+ A 2
+Options: dupnames
+No first char
+No need char
+ ab\CA
+ 0: ab
+ 1: a
+ 2: b
+ C a (1) A
+ cd\CA
+ 0: cd
+copy substring A failed -7
+
+/^(?P<A>a)(?P<A>b)|cd(?P<A>ef)(?P<A>gh)/IJ
+Capturing subpattern count = 4
+Named capturing subpatterns:
+ A 1
+ A 2
+ A 3
+ A 4
+Options: dupnames
+No first char
+No need char
+ cdefgh\CA
+ 0: cdefgh
+ 1: <unset>
+ 2: <unset>
+ 3: ef
+ 4: gh
+ C ef (2) A
+
+/^((?P<A>a1)|(?P<A>a2)b)/IJ
+Capturing subpattern count = 3
+Named capturing subpatterns:
+ A 2
+ A 3
+Options: anchored dupnames
+No first char
+No need char
+ a1b\GA
+ 0: a1
+ 1: a1
+ 2: a1
+ G a1 (2) A
+ a2b\GA
+ 0: a2b
+ 1: a2b
+ 2: <unset>
+ 3: a2
+ G a2 (2) A
+ ** Failers
+No match
+ a1b\GZ\GA
+no parentheses with name "Z"
+ 0: a1
+ 1: a1
+ 2: a1
+copy substring Z failed -7
+ G a1 (2) A
+
+/^(?P<A>a)(?P<A>b)/IJ
+Capturing subpattern count = 2
+Named capturing subpatterns:
+ A 1
+ A 2
+Options: anchored dupnames
+No first char
+No need char
+ ab\GA
+ 0: ab
+ 1: a
+ 2: b
+ G a (1) A
+
+/^(?P<A>a)(?P<A>b)|cd/IJ
+Capturing subpattern count = 2
+Named capturing subpatterns:
+ A 1
+ A 2
+Options: dupnames
+No first char
+No need char
+ ab\GA
+ 0: ab
+ 1: a
+ 2: b
+ G a (1) A
+ cd\GA
+ 0: cd
+copy substring A failed -7
+
+/^(?P<A>a)(?P<A>b)|cd(?P<A>ef)(?P<A>gh)/IJ
+Capturing subpattern count = 4
+Named capturing subpatterns:
+ A 1
+ A 2
+ A 3
+ A 4
+Options: dupnames
+No first char
+No need char
+ cdefgh\GA
+ 0: cdefgh
+ 1: <unset>
+ 2: <unset>
+ 3: ef
+ 4: gh
+ G ef (2) A
+
+/(?J)^((?P<A>a1)|(?P<A>a2)b)/I
+Capturing subpattern count = 3
+Named capturing subpatterns:
+ A 2
+ A 3
+Options: anchored dupnames
+Duplicate name status changes
+No first char
+No need char
+ a1b\CA
+ 0: a1
+ 1: a1
+ 2: a1
+ C a1 (2) A
+ a2b\CA
+ 0: a2b
+ 1: a2b
+ 2: <unset>
+ 3: a2
+ C a2 (2) A
+
+/^(?P<A>a) (?J:(?P<B>b)(?P<B>c)) (?P<A>d)/I
+Failed: two named subpatterns have the same name at offset 37
+
+/ In this next test, J is not set at the outer level; consequently it isn't
+set in the pattern's options; consequently pcre_get_named_substring() produces
+a random value. /Ix
+Capturing subpattern count = 1
+Options: extended
+First char = 'I'
+Need char = 'e'
+
+/^(?P<A>a) (?J:(?P<B>b)(?P<B>c)) (?P<C>d)/I
+Capturing subpattern count = 4
+Named capturing subpatterns:
+ A 1
+ B 2
+ B 3
+ C 4
+Options: anchored
+Duplicate name status changes
+No first char
+No need char
+ a bc d\CA\CB\CC
+ 0: a bc d
+ 1: a
+ 2: b
+ 3: c
+ 4: d
+ C a (1) A
+ C b (1) B
+ C d (1) C
+
+/^(?P<A>a)?(?(A)a|b)/I
+Capturing subpattern count = 1
+Named capturing subpatterns:
+ A 1
+Options: anchored
+No first char
+No need char
+ aabc
+ 0: aa
+ 1: a
+ bc
+ 0: b
+ ** Failers
+No match
+ abc
+No match
+
+/(?:(?(ZZ)a|b)(?P<ZZ>X))+/I
+Capturing subpattern count = 1
+Named capturing subpatterns:
+ ZZ 1
+No options
+No first char
+Need char = 'X'
+ bXaX
+ 0: bXaX
+ 1: X
+
+/(?:(?(2y)a|b)(X))+/I
+Failed: reference to non-existent subpattern at offset 9
+
+/(?:(?(ZA)a|b)(?P<ZZ>X))+/I
+Failed: reference to non-existent subpattern at offset 9
+
+/(?:(?(ZZ)a|b)(?(ZZ)a|b)(?P<ZZ>X))+/I
+Capturing subpattern count = 1
+Named capturing subpatterns:
+ ZZ 1
+No options
+No first char
+Need char = 'X'
+ bbXaaX
+ 0: bbXaaX
+ 1: X
+
+/(?:(?(ZZ)a|\(b\))\\(?P<ZZ>X))+/I
+Capturing subpattern count = 1
+Named capturing subpatterns:
+ ZZ 1
+No options
+No first char
+Need char = 'X'
+ (b)\\Xa\\X
+ 0: (b)\Xa\X
+ 1: X
+
+/(?P<ABC/I
+Failed: syntax error in subpattern name (missing terminator) at offset 7
+
+/(?:(?(A)(?P=A)a|b)(?P<A>X|Y))+/I
+Capturing subpattern count = 1
+Max back reference = 1
+Named capturing subpatterns:
+ A 1
+No options
+No first char
+No need char
+ bXXaYYaY
+ 0: bXXaYYaY
+ 1: Y
+ bXYaXXaX
+ 0: bX
+ 1: X
+
+/()()()()()()()()()(?:(?(A)(?P=A)a|b)(?P<A>X|Y))+/I
+Capturing subpattern count = 10
+Max back reference = 10
+Named capturing subpatterns:
+ A 10
+No options
+No first char
+No need char
+ bXXaYYaY
+ 0: bXXaYYaY
+ 1:
+ 2:
+ 3:
+ 4:
+ 5:
+ 6:
+ 7:
+ 8:
+ 9:
+10: Y
+
+/\777/I
+Failed: octal value is greater than \377 (not in UTF-8 mode) at offset 3
+
+/\s*,\s*/IS
+Capturing subpattern count = 0
+Partial matching not supported
+No options
+No first char
+Need char = ','
+Starting byte set: \x09 \x0a \x0c \x0d \x20 ,
+ \x0b,\x0b
+ 0: ,
+ \x0c,\x0d
+ 0: \x0c,\x0d
+
+/^abc/Im
+Capturing subpattern count = 0
+Options: multiline
+First char at start or follows newline
+Need char = 'c'
+ xyz\nabc
+ 0: abc
+ xyz\nabc\<lf>
+ 0: abc
+ xyz\r\nabc\<lf>
+ 0: abc
+ xyz\rabc\<cr>
+ 0: abc
+ xyz\r\nabc\<crlf>
+ 0: abc
+ ** Failers
+No match
+ xyz\nabc\<cr>
+No match
+ xyz\r\nabc\<cr>
+No match
+ xyz\nabc\<crlf>
+No match
+ xyz\rabc\<crlf>
+No match
+ xyz\rabc\<lf>
+No match
+
+/abc$/Im<lf>
+Capturing subpattern count = 0
+Options: multiline
+Forced newline sequence: LF
+First char = 'a'
+Need char = 'c'
+ xyzabc
+ 0: abc
+ xyzabc\n
+ 0: abc
+ xyzabc\npqr
+ 0: abc
+ xyzabc\r\<cr>
+ 0: abc
+ xyzabc\rpqr\<cr>
+ 0: abc
+ xyzabc\r\n\<crlf>
+ 0: abc
+ xyzabc\r\npqr\<crlf>
+ 0: abc
+ ** Failers
+No match
+ xyzabc\r
+No match
+ xyzabc\rpqr
+No match
+ xyzabc\r\n
+No match
+ xyzabc\r\npqr
+No match
+
+/^abc/Im<cr>
+Capturing subpattern count = 0
+Options: multiline
+Forced newline sequence: CR
+First char at start or follows newline
+Need char = 'c'
+ xyz\rabcdef
+ 0: abc
+ xyz\nabcdef\<lf>
+ 0: abc
+ ** Failers
+No match
+ xyz\nabcdef
+No match
+
+/^abc/Im<lf>
+Capturing subpattern count = 0
+Options: multiline
+Forced newline sequence: LF
+First char at start or follows newline
+Need char = 'c'
+ xyz\nabcdef
+ 0: abc
+ xyz\rabcdef\<cr>
+ 0: abc
+ ** Failers
+No match
+ xyz\rabcdef
+No match
+
+/^abc/Im<crlf>
+Capturing subpattern count = 0
+Options: multiline
+Forced newline sequence: CRLF
+First char at start or follows newline
+Need char = 'c'
+ xyz\r\nabcdef
+ 0: abc
+ xyz\rabcdef\<cr>
+ 0: abc
+ ** Failers
+No match
+ xyz\rabcdef
+No match
+
+/^abc/Im<bad>
+Unknown newline type at: <bad>
+
+
+/abc/I
+Capturing subpattern count = 0
+No options
+First char = 'a'
+Need char = 'c'
+ xyz\rabc\<bad>
+Unknown newline type at: <bad>
+ abc
+ 0: abc
+
+/.*/I<lf>
+Capturing subpattern count = 0
+Partial matching not supported
+Options:
+Forced newline sequence: LF
+First char at start or follows newline
+No need char
+ abc\ndef
+ 0: abc
+ abc\rdef
+ 0: abc\x0ddef
+ abc\r\ndef
+ 0: abc\x0d
+ \<cr>abc\ndef
+ 0: abc\x0adef
+ \<cr>abc\rdef
+ 0: abc
+ \<cr>abc\r\ndef
+ 0: abc
+ \<crlf>abc\ndef
+ 0: abc\x0adef
+ \<crlf>abc\rdef
+ 0: abc\x0ddef
+ \<crlf>abc\r\ndef
+ 0: abc
+
+/\w+(.)(.)?def/Is
+Capturing subpattern count = 2
+Partial matching not supported
+Options: dotall
+No first char
+Need char = 'f'
+ abc\ndef
+ 0: abc\x0adef
+ 1: \x0a
+ abc\rdef
+ 0: abc\x0ddef
+ 1: \x0d
+ abc\r\ndef
+ 0: abc\x0d\x0adef
+ 1: \x0d
+ 2: \x0a
+
++((?:\s|//.*\\n|/[*](?:\\n|.)*?[*]/)*)+I
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+No need char
+ /* this is a C style comment */\M
+Minimum match() limit = 120
+Minimum match() recursion limit = 6
+ 0: /* this is a C style comment */
+ 1: /* this is a C style comment */
+
+/(?P<B>25[0-5]|2[0-4]\d|[01]?\d?\d)(?:\.(?P>B)){3}/I
+Capturing subpattern count = 1
+Named capturing subpatterns:
+ B 1
+No options
+No first char
+Need char = '.'
+
+/()()()()()()()()()()()()()()()()()()()()
+ ()()()()()()()()()()()()()()()()()()()()
+ ()()()()()()()()()()()()()()()()()()()()
+ ()()()()()()()()()()()()()()()()()()()()
+ ()()()()()()()()()()()()()()()()()()()()
+ (.(.))/Ix
+Capturing subpattern count = 102
+Options: extended
+No first char
+No need char
+ XY\O400
+ 0: XY
+ 1:
+ 2:
+ 3:
+ 4:
+ 5:
+ 6:
+ 7:
+ 8:
+ 9:
+10:
+11:
+12:
+13:
+14:
+15:
+16:
+17:
+18:
+19:
+20:
+21:
+22:
+23:
+24:
+25:
+26:
+27:
+28:
+29:
+30:
+31:
+32:
+33:
+34:
+35:
+36:
+37:
+38:
+39:
+40:
+41:
+42:
+43:
+44:
+45:
+46:
+47:
+48:
+49:
+50:
+51:
+52:
+53:
+54:
+55:
+56:
+57:
+58:
+59:
+60:
+61:
+62:
+63:
+64:
+65:
+66:
+67:
+68:
+69:
+70:
+71:
+72:
+73:
+74:
+75:
+76:
+77:
+78:
+79:
+80:
+81:
+82:
+83:
+84:
+85:
+86:
+87:
+88:
+89:
+90:
+91:
+92:
+93:
+94:
+95:
+96:
+97:
+98:
+99:
+100:
+101: XY
+102: Y
+
+/(a*b|(?i:c*(?-i)d))/IS
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+No need char
+Starting byte set: C a b c d
+
+/()[ab]xyz/IS
+Capturing subpattern count = 1
+No options
+No first char
+Need char = 'z'
+Starting byte set: a b
+
+/(|)[ab]xyz/IS
+Capturing subpattern count = 1
+No options
+No first char
+Need char = 'z'
+Starting byte set: a b
+
+/(|c)[ab]xyz/IS
+Capturing subpattern count = 1
+No options
+No first char
+Need char = 'z'
+Starting byte set: a b c
+
+/(|c?)[ab]xyz/IS
+Capturing subpattern count = 1
+No options
+No first char
+Need char = 'z'
+Starting byte set: a b c
+
+/(d?|c?)[ab]xyz/IS
+Capturing subpattern count = 1
+No options
+No first char
+Need char = 'z'
+Starting byte set: a b c d
+
+/(d?|c)[ab]xyz/IS
+Capturing subpattern count = 1
+No options
+No first char
+Need char = 'z'
+Starting byte set: a b c d
+
+/^a*b\d/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ a*+
+ b
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: anchored
+No first char
+Need char = 'b'
+
+/^a*+b\d/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ a*+
+ b
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: anchored
+No first char
+Need char = 'b'
+
+/^a*?b\d/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ a*+
+ b
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: anchored
+No first char
+Need char = 'b'
+
+/^a+A\d/DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ a++
+ A
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: anchored
+No first char
+Need char = 'A'
+ aaaA5
+ 0: aaaA5
+ ** Failers
+No match
+ aaaa5
+No match
+
+/^a*A\d/IiDZ
+------------------------------------------------------------------
+ Bra
+ ^
+ a*
+ NC A
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: anchored caseless
+No first char
+Need char = 'A' (caseless)
+ aaaA5
+ 0: aaaA5
+ aaaa5
+ 0: aaaa5
+
+/(a*|b*)[cd]/IS
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+No need char
+Starting byte set: a b c d
+
+/(a+|b*)[cd]/IS
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+No need char
+Starting byte set: a b c d
+
+/(a*|b+)[cd]/IS
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+No need char
+Starting byte set: a b c d
+
+/(a+|b+)[cd]/IS
+Capturing subpattern count = 1
+Partial matching not supported
+No options
+No first char
+No need char
+Starting byte set: a b
+
+/((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((
+ ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((
+ (((
+ a
+ ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
+ ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
+ )))
+/Ix
+Capturing subpattern count = 203
+Options: extended
+First char = 'a'
+No need char
+ large nest
+Matched, but too many substrings
+ 0: a
+ 1: a
+ 2: a
+ 3: a
+ 4: a
+ 5: a
+ 6: a
+ 7: a
+ 8: a
+ 9: a
+10: a
+11: a
+12: a
+13: a
+14: a
+
+/a*\d/BZ
+------------------------------------------------------------------
+ Bra
+ a*+
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+
+/a*\D/BZ
+------------------------------------------------------------------
+ Bra
+ a*
+ \D
+ Ket
+ End
+------------------------------------------------------------------
+
+/0*\d/BZ
+------------------------------------------------------------------
+ Bra
+ 0*
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+
+/0*\D/BZ
+------------------------------------------------------------------
+ Bra
+ 0*+
+ \D
+ Ket
+ End
+------------------------------------------------------------------
+
+/a*\s/BZ
+------------------------------------------------------------------
+ Bra
+ a*+
+ \s
+ Ket
+ End
+------------------------------------------------------------------
+
+/a*\S/BZ
+------------------------------------------------------------------
+ Bra
+ a*
+ \S
+ Ket
+ End
+------------------------------------------------------------------
+
+/ *\s/BZ
+------------------------------------------------------------------
+ Bra
+ *
+ \s
+ Ket
+ End
+------------------------------------------------------------------
+
+/ *\S/BZ
+------------------------------------------------------------------
+ Bra
+ *+
+ \S
+ Ket
+ End
+------------------------------------------------------------------
+
+/a*\w/BZ
+------------------------------------------------------------------
+ Bra
+ a*
+ \w
+ Ket
+ End
+------------------------------------------------------------------
+
+/a*\W/BZ
+------------------------------------------------------------------
+ Bra
+ a*+
+ \W
+ Ket
+ End
+------------------------------------------------------------------
+
+/=*\w/BZ
+------------------------------------------------------------------
+ Bra
+ =*+
+ \w
+ Ket
+ End
+------------------------------------------------------------------
+
+/=*\W/BZ
+------------------------------------------------------------------
+ Bra
+ =*
+ \W
+ Ket
+ End
+------------------------------------------------------------------
+
+/\d*a/BZ
+------------------------------------------------------------------
+ Bra
+ \d*+
+ a
+ Ket
+ End
+------------------------------------------------------------------
+
+/\d*2/BZ
+------------------------------------------------------------------
+ Bra
+ \d*
+ 2
+ Ket
+ End
+------------------------------------------------------------------
+
+/\d*\d/BZ
+------------------------------------------------------------------
+ Bra
+ \d*
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+
+/\d*\D/BZ
+------------------------------------------------------------------
+ Bra
+ \d*+
+ \D
+ Ket
+ End
+------------------------------------------------------------------
+
+/\d*\s/BZ
+------------------------------------------------------------------
+ Bra
+ \d*+
+ \s
+ Ket
+ End
+------------------------------------------------------------------
+
+/\d*\S/BZ
+------------------------------------------------------------------
+ Bra
+ \d*
+ \S
+ Ket
+ End
+------------------------------------------------------------------
+
+/\d*\w/BZ
+------------------------------------------------------------------
+ Bra
+ \d*
+ \w
+ Ket
+ End
+------------------------------------------------------------------
+
+/\d*\W/BZ
+------------------------------------------------------------------
+ Bra
+ \d*+
+ \W
+ Ket
+ End
+------------------------------------------------------------------
+
+/\D*a/BZ
+------------------------------------------------------------------
+ Bra
+ \D*
+ a
+ Ket
+ End
+------------------------------------------------------------------
+
+/\D*2/BZ
+------------------------------------------------------------------
+ Bra
+ \D*+
+ 2
+ Ket
+ End
+------------------------------------------------------------------
+
+/\D*\d/BZ
+------------------------------------------------------------------
+ Bra
+ \D*+
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+
+/\D*\D/BZ
+------------------------------------------------------------------
+ Bra
+ \D*
+ \D
+ Ket
+ End
+------------------------------------------------------------------
+
+/\D*\s/BZ
+------------------------------------------------------------------
+ Bra
+ \D*
+ \s
+ Ket
+ End
+------------------------------------------------------------------
+
+/\D*\S/BZ
+------------------------------------------------------------------
+ Bra
+ \D*
+ \S
+ Ket
+ End
+------------------------------------------------------------------
+
+/\D*\w/BZ
+------------------------------------------------------------------
+ Bra
+ \D*
+ \w
+ Ket
+ End
+------------------------------------------------------------------
+
+/\D*\W/BZ
+------------------------------------------------------------------
+ Bra
+ \D*
+ \W
+ Ket
+ End
+------------------------------------------------------------------
+
+/\s*a/BZ
+------------------------------------------------------------------
+ Bra
+ \s*+
+ a
+ Ket
+ End
+------------------------------------------------------------------
+
+/\s*2/BZ
+------------------------------------------------------------------
+ Bra
+ \s*+
+ 2
+ Ket
+ End
+------------------------------------------------------------------
+
+/\s*\d/BZ
+------------------------------------------------------------------
+ Bra
+ \s*+
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+
+/\s*\D/BZ
+------------------------------------------------------------------
+ Bra
+ \s*
+ \D
+ Ket
+ End
+------------------------------------------------------------------
+
+/\s*\s/BZ
+------------------------------------------------------------------
+ Bra
+ \s*
+ \s
+ Ket
+ End
+------------------------------------------------------------------
+
+/\s*\S/BZ
+------------------------------------------------------------------
+ Bra
+ \s*+
+ \S
+ Ket
+ End
+------------------------------------------------------------------
+
+/\s*\w/BZ
+------------------------------------------------------------------
+ Bra
+ \s*+
+ \w
+ Ket
+ End
+------------------------------------------------------------------
+
+/\s*\W/BZ
+------------------------------------------------------------------
+ Bra
+ \s*
+ \W
+ Ket
+ End
+------------------------------------------------------------------
+
+/\S*a/BZ
+------------------------------------------------------------------
+ Bra
+ \S*
+ a
+ Ket
+ End
+------------------------------------------------------------------
+
+/\S*2/BZ
+------------------------------------------------------------------
+ Bra
+ \S*
+ 2
+ Ket
+ End
+------------------------------------------------------------------
+
+/\S*\d/BZ
+------------------------------------------------------------------
+ Bra
+ \S*
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+
+/\S*\D/BZ
+------------------------------------------------------------------
+ Bra
+ \S*
+ \D
+ Ket
+ End
+------------------------------------------------------------------
+
+/\S*\s/BZ
+------------------------------------------------------------------
+ Bra
+ \S*+
+ \s
+ Ket
+ End
+------------------------------------------------------------------
+
+/\S*\S/BZ
+------------------------------------------------------------------
+ Bra
+ \S*
+ \S
+ Ket
+ End
+------------------------------------------------------------------
+
+/\S*\w/BZ
+------------------------------------------------------------------
+ Bra
+ \S*
+ \w
+ Ket
+ End
+------------------------------------------------------------------
+
+/\S*\W/BZ
+------------------------------------------------------------------
+ Bra
+ \S*
+ \W
+ Ket
+ End
+------------------------------------------------------------------
+
+/\w*a/BZ
+------------------------------------------------------------------
+ Bra
+ \w*
+ a
+ Ket
+ End
+------------------------------------------------------------------
+
+/\w*2/BZ
+------------------------------------------------------------------
+ Bra
+ \w*
+ 2
+ Ket
+ End
+------------------------------------------------------------------
+
+/\w*\d/BZ
+------------------------------------------------------------------
+ Bra
+ \w*
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+
+/\w*\D/BZ
+------------------------------------------------------------------
+ Bra
+ \w*
+ \D
+ Ket
+ End
+------------------------------------------------------------------
+
+/\w*\s/BZ
+------------------------------------------------------------------
+ Bra
+ \w*+
+ \s
+ Ket
+ End
+------------------------------------------------------------------
+
+/\w*\S/BZ
+------------------------------------------------------------------
+ Bra
+ \w*
+ \S
+ Ket
+ End
+------------------------------------------------------------------
+
+/\w*\w/BZ
+------------------------------------------------------------------
+ Bra
+ \w*
+ \w
+ Ket
+ End
+------------------------------------------------------------------
+
+/\w*\W/BZ
+------------------------------------------------------------------
+ Bra
+ \w*+
+ \W
+ Ket
+ End
+------------------------------------------------------------------
+
+/\W*a/BZ
+------------------------------------------------------------------
+ Bra
+ \W*+
+ a
+ Ket
+ End
+------------------------------------------------------------------
+
+/\W*2/BZ
+------------------------------------------------------------------
+ Bra
+ \W*+
+ 2
+ Ket
+ End
+------------------------------------------------------------------
+
+/\W*\d/BZ
+------------------------------------------------------------------
+ Bra
+ \W*+
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+
+/\W*\D/BZ
+------------------------------------------------------------------
+ Bra
+ \W*
+ \D
+ Ket
+ End
+------------------------------------------------------------------
+
+/\W*\s/BZ
+------------------------------------------------------------------
+ Bra
+ \W*
+ \s
+ Ket
+ End
+------------------------------------------------------------------
+
+/\W*\S/BZ
+------------------------------------------------------------------
+ Bra
+ \W*
+ \S
+ Ket
+ End
+------------------------------------------------------------------
+
+/\W*\w/BZ
+------------------------------------------------------------------
+ Bra
+ \W*+
+ \w
+ Ket
+ End
+------------------------------------------------------------------
+
+/\W*\W/BZ
+------------------------------------------------------------------
+ Bra
+ \W*
+ \W
+ Ket
+ End
+------------------------------------------------------------------
+
+/[^a]+a/BZ
+------------------------------------------------------------------
+ Bra
+ [^a]++
+ a
+ Ket
+ End
+------------------------------------------------------------------
+
+/[^a]+a/BZi
+------------------------------------------------------------------
+ Bra
+ [^A]++
+ NC a
+ Ket
+ End
+------------------------------------------------------------------
+
+/[^a]+A/BZi
+------------------------------------------------------------------
+ Bra
+ [^A]++
+ NC A
+ Ket
+ End
+------------------------------------------------------------------
+
+/[^a]+b/BZ
+------------------------------------------------------------------
+ Bra
+ [^a]+
+ b
+ Ket
+ End
+------------------------------------------------------------------
+
+/[^a]+\d/BZ
+------------------------------------------------------------------
+ Bra
+ [^a]+
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+
+/a*[^a]/BZ
+------------------------------------------------------------------
+ Bra
+ a*
+ [^a]
+ Ket
+ End
+------------------------------------------------------------------
+
+/(?P<abc>x)(?P<xyz>y)/I
+Capturing subpattern count = 2
+Named capturing subpatterns:
+ abc 1
+ xyz 2
+No options
+First char = 'x'
+Need char = 'y'
+ xy\Cabc\Cxyz
+ 0: xy
+ 1: x
+ 2: y
+ C x (1) abc
+ C y (1) xyz
+
+/(?<abc>x)(?'xyz'y)/I
+Capturing subpattern count = 2
+Named capturing subpatterns:
+ abc 1
+ xyz 2
+No options
+First char = 'x'
+Need char = 'y'
+ xy\Cabc\Cxyz
+ 0: xy
+ 1: x
+ 2: y
+ C x (1) abc
+ C y (1) xyz
+
+/(?<abc'x)(?'xyz'y)/I
+Failed: syntax error in subpattern name (missing terminator) at offset 6
+
+/(?<abc>x)(?'xyz>y)/I
+Failed: syntax error in subpattern name (missing terminator) at offset 15
+
+/(?P'abc'x)(?P<xyz>y)/I
+Failed: unrecognized character after (?P at offset 3
+
+/^(?:(?(ZZ)a|b)(?<ZZ>X))+/
+ bXaX
+ 0: bXaX
+ 1: X
+ bXbX
+ 0: bX
+ 1: X
+ ** Failers
+No match
+ aXaX
+No match
+ aXbX
+No match
+
+/^(?P>abc)(?<abcd>xxx)/
+Failed: reference to non-existent subpattern at offset 8
+
+/^(?P>abc)(?<abc>x|y)/
+ xx
+ 0: xx
+ 1: x
+ xy
+ 0: xy
+ 1: y
+ yy
+ 0: yy
+ 1: y
+ yx
+ 0: yx
+ 1: x
+
+/^(?P>abc)(?P<abc>x|y)/
+ xx
+ 0: xx
+ 1: x
+ xy
+ 0: xy
+ 1: y
+ yy
+ 0: yy
+ 1: y
+ yx
+ 0: yx
+ 1: x
+
+/^((?(abc)a|b)(?<abc>x|y))+/
+ bxay
+ 0: bxay
+ 1: ay
+ 2: y
+ bxby
+ 0: bx
+ 1: bx
+ 2: x
+ ** Failers
+No match
+ axby
+No match
+
+/^(((?P=abc)|X)(?<abc>x|y))+/
+ XxXxxx
+ 0: XxXxxx
+ 1: xx
+ 2: x
+ 3: x
+ XxXyyx
+ 0: XxXyyx
+ 1: yx
+ 2: y
+ 3: x
+ XxXyxx
+ 0: XxXy
+ 1: Xy
+ 2: X
+ 3: y
+ ** Failers
+No match
+ x
+No match
+
+/^(?1)(abc)/
+ abcabc
+ 0: abcabc
+ 1: abc
+
+/^(?:(?:\1|X)(a|b))+/
+ Xaaa
+ 0: Xaaa
+ 1: a
+ Xaba
+ 0: Xa
+ 1: a
+
+/^[\E\Qa\E-\Qz\E]+/BZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [a-z]+
+ Ket
+ End
+------------------------------------------------------------------
+
+/^[a\Q]bc\E]/BZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [\]a-c]
+ Ket
+ End
+------------------------------------------------------------------
+
+/^[a-\Q\E]/BZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [\-a]
+ Ket
+ End
+------------------------------------------------------------------
+
+/^(?P>abc)[()](?<abc>)/BZ
+------------------------------------------------------------------
+ Bra
+ ^
+ Once
+ Recurse
+ Ket
+ [()]
+ CBra 1
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+
+/^((?(abc)y)[()](?P<abc>x))+/BZ
+------------------------------------------------------------------
+ Bra
+ ^
+ CBra 1
+ Cond
+ 2 Cond ref
+ y
+ Ket
+ [()]
+ CBra 2
+ x
+ Ket
+ KetRmax
+ Ket
+ End
+------------------------------------------------------------------
+ (xy)x
+ 0: (xy)x
+ 1: y)x
+ 2: x
+
+/^(?P>abc)\Q()\E(?<abc>)/BZ
+------------------------------------------------------------------
+ Bra
+ ^
+ Once
+ Recurse
+ Ket
+ ()
+ CBra 1
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+
+/^(?P>abc)[a\Q(]\E(](?<abc>)/BZ
+------------------------------------------------------------------
+ Bra
+ ^
+ Once
+ Recurse
+ Ket
+ [(\]a]
+ CBra 1
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+
+/^(?P>abc) # this is (a comment)
+ (?<abc>)/BZx
+------------------------------------------------------------------
+ Bra
+ ^
+ Once
+ Recurse
+ Ket
+ CBra 1
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+
+/^\W*(?:(?<one>(?<two>.)\W*(?&one)\W*\k<two>|)|(?<three>(?<four>.)\W*(?&three)\W*\k'four'|\W*.\W*))\W*$/Ii
+Capturing subpattern count = 4
+Max back reference = 4
+Named capturing subpatterns:
+ four 4
+ one 1
+ three 3
+ two 2
+Partial matching not supported
+Options: anchored caseless
+No first char
+No need char
+ 1221
+ 0: 1221
+ 1: 1221
+ 2: 1
+ Satan, oscillate my metallic sonatas!
+ 0: Satan, oscillate my metallic sonatas!
+ 1: <unset>
+ 2: <unset>
+ 3: Satan, oscillate my metallic sonatas
+ 4: S
+ A man, a plan, a canal: Panama!
+ 0: A man, a plan, a canal: Panama!
+ 1: <unset>
+ 2: <unset>
+ 3: A man, a plan, a canal: Panama
+ 4: A
+ Able was I ere I saw Elba.
+ 0: Able was I ere I saw Elba.
+ 1: <unset>
+ 2: <unset>
+ 3: Able was I ere I saw Elba
+ 4: A
+ *** Failers
+No match
+ The quick brown fox
+No match
+
+/(?=(\w+))\1:/I
+Capturing subpattern count = 1
+Max back reference = 1
+Partial matching not supported
+No options
+No first char
+Need char = ':'
+ abcd:
+ 0: abcd:
+ 1: abcd
+
+/(?=(?'abc'\w+))\k<abc>:/I
+Capturing subpattern count = 1
+Max back reference = 1
+Named capturing subpatterns:
+ abc 1
+Partial matching not supported
+No options
+No first char
+Need char = ':'
+ abcd:
+ 0: abcd:
+ 1: abcd
+
+/(?'abc'\w+):\k<abc>{2}/
+ a:aaxyz
+ 0: a:aa
+ 1: a
+ ab:ababxyz
+ 0: ab:abab
+ 1: ab
+ ** Failers
+No match
+ a:axyz
+No match
+ ab:abxyz
+No match
+
+/(?'abc'a|b)(?<abc>d|e)\k<abc>{2}/J
+ adaa
+ 0: adaa
+ 1: a
+ 2: d
+ ** Failers
+No match
+ addd
+No match
+ adbb
+No match
+
+/(?'abc'a|b)(?<abc>d|e)(?&abc){2}/J
+ bdaa
+ 0: bdaa
+ 1: b
+ 2: d
+ bdab
+ 0: bdab
+ 1: b
+ 2: d
+ ** Failers
+No match
+ bddd
+No match
+
+/^(?<ab>a)? (?(<ab>)b|c) (?('ab')d|e)/x
+ abd
+ 0: abd
+ 1: a
+ ce
+ 0: ce
+
+/(?(<bc))/
+Failed: malformed number or name after (?( at offset 6
+
+/(?(''))/
+Failed: assertion expected after (?( at offset 4
+
+/(?('R')stuff)/
+Failed: reference to non-existent subpattern at offset 7
+
+/((abc (?(R) (?(R1)1) (?(R2)2) X | (?1) (?2) (?R) ))) /x
+ abcabc1Xabc2XabcXabcabc
+ 0: abcabc1Xabc2XabcX
+ 1: abcabc1Xabc2XabcX
+ 2: abcabc1Xabc2XabcX
+
+/(?<A> (?'B' abc (?(R) (?(R&A)1) (?(R&B)2) X | (?1) (?2) (?R) ))) /x
+ abcabc1Xabc2XabcXabcabc
+ 0: abcabc1Xabc2XabcX
+ 1: abcabc1Xabc2XabcX
+ 2: abcabc1Xabc2XabcX
+
+/(?<A> (?'B' abc (?(R) (?(R&1)1) (?(R&B)2) X | (?1) (?2) (?R) ))) /x
+Failed: reference to non-existent subpattern at offset 29
+
+/(?<1> (?'B' abc (?(R) (?(R&1)1) (?(R&B)2) X | (?1) (?2) (?R) ))) /x
+ abcabc1Xabc2XabcXabcabc
+ 0: abcabc1Xabc2XabcX
+ 1: abcabc1Xabc2XabcX
+ 2: abcabc1Xabc2XabcX
+
+/^(?(DEFINE) (?<A> a) (?<B> b) ) (?&A) (?&B) /x
+ abcd
+ 0: ab
+ 1: <unset>
+ 2: <unset>
+
+/(?<NAME>(?&NAME_PAT))\s+(?<ADDR>(?&ADDRESS_PAT))
+ (?(DEFINE)
+ (?<NAME_PAT>[a-z]+)
+ (?<ADDRESS_PAT>\d+)
+ )/x
+ metcalfe 33
+ 0: metcalfe 33
+ 1: metcalfe
+ 2: 33
+ 3: <unset>
+ 4: <unset>
+
+/^(?(DEFINE) abc | xyz ) /x
+Failed: DEFINE group contains more than one branch at offset 22
+
+/(?(DEFINE) abc) xyz/xI
+Capturing subpattern count = 0
+Options: extended
+First char = 'x'
+Need char = 'z'
+
+/(?(DEFINE) abc){3} xyz/x
+Failed: repeating a DEFINE group is not allowed at offset 17
+
+/(a|)*\d/
+ \O0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+ \O0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+Matched, but too many substrings
+
+/^a.b/<lf>
+ a\rb
+ 0: a\x0db
+ a\nb\<cr>
+ 0: a\x0ab
+ a\x85b\<anycrlf>
+ 0: a\x85b
+ ** Failers
+No match
+ a\nb
+No match
+ a\nb\<any>
+No match
+ a\rb\<cr>
+No match
+ a\rb\<any>
+No match
+ a\x85b\<any>
+No match
+ a\rb\<anycrlf>
+No match
+
+/^abc./mgx<any>
+ abc1 \x0aabc2 \x0babc3xx \x0cabc4 \x0dabc5xx \x0d\x0aabc6 \x85abc7 \x{2028}abc8 \x{2029}abc9 JUNK
+ 0: abc1
+ 0: abc2
+ 0: abc3
+ 0: abc4
+ 0: abc5
+ 0: abc6
+ 0: abc7
+
+/abc.$/mgx<any>
+ abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x85 abc7\x{2028} abc8\x{2029} abc9
+ 0: abc1
+ 0: abc2
+ 0: abc3
+ 0: abc4
+ 0: abc5
+ 0: abc6
+ 0: abc9
+
+/a/<cr><any>
+
+/a/<any><crlf>
+Failed: inconsistent NEWLINE options at offset 0
+
+/^a\Rb/<bsr_unicode>
+ a\nb
+ 0: a\x0ab
+ a\rb
+ 0: a\x0db
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x0bb
+ 0: a\x0bb
+ a\x0cb
+ 0: a\x0cb
+ a\x85b
+ 0: a\x85b
+ ** Failers
+No match
+ a\n\rb
+No match
+
+/^a\R*b/<bsr_unicode>
+ ab
+ 0: ab
+ a\nb
+ 0: a\x0ab
+ a\rb
+ 0: a\x0db
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x0bb
+ 0: a\x0bb
+ a\x0cb
+ 0: a\x0cb
+ a\x85b
+ 0: a\x85b
+ a\n\rb
+ 0: a\x0a\x0db
+ a\n\r\x85\x0cb
+ 0: a\x0a\x0d\x85\x0cb
+
+/^a\R+b/<bsr_unicode>
+ a\nb
+ 0: a\x0ab
+ a\rb
+ 0: a\x0db
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x0bb
+ 0: a\x0bb
+ a\x0cb
+ 0: a\x0cb
+ a\x85b
+ 0: a\x85b
+ a\n\rb
+ 0: a\x0a\x0db
+ a\n\r\x85\x0cb
+ 0: a\x0a\x0d\x85\x0cb
+ ** Failers
+No match
+ ab
+No match
+
+/^a\R{1,3}b/<bsr_unicode>
+ a\nb
+ 0: a\x0ab
+ a\n\rb
+ 0: a\x0a\x0db
+ a\n\r\x85b
+ 0: a\x0a\x0d\x85b
+ a\r\n\r\nb
+ 0: a\x0d\x0a\x0d\x0ab
+ a\r\n\r\n\r\nb
+ 0: a\x0d\x0a\x0d\x0a\x0d\x0ab
+ a\n\r\n\rb
+ 0: a\x0a\x0d\x0a\x0db
+ a\n\n\r\nb
+ 0: a\x0a\x0a\x0d\x0ab
+ ** Failers
+No match
+ a\n\n\n\rb
+No match
+ a\r
+No match
+
+/^a[\R]b/<bsr_unicode>
+ aRb
+ 0: aRb
+ ** Failers
+No match
+ a\nb
+No match
+
+/(?&abc)X(?<abc>P)/I
+Capturing subpattern count = 1
+Named capturing subpatterns:
+ abc 1
+No options
+No first char
+Need char = 'P'
+ abcPXP123
+ 0: PXP
+ 1: P
+
+/(?1)X(?<abc>P)/I
+Capturing subpattern count = 1
+Named capturing subpatterns:
+ abc 1
+No options
+No first char
+Need char = 'P'
+ abcPXP123
+ 0: PXP
+ 1: P
+
+/(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/
+ 1.2.3.4
+ 0: 1.2.3.4
+ 1: <unset>
+ 2: .4
+ 131.111.10.206
+ 0: 131.111.10.206
+ 1: <unset>
+ 2: .206
+ 10.0.0.0
+ 0: 10.0.0.0
+ 1: <unset>
+ 2: .0
+ ** Failers
+No match
+ 10.6
+No match
+ 455.3.4.5
+No match
+
+/\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/
+ 1.2.3.4
+ 0: 1.2.3.4
+ 1: .4
+ 2: <unset>
+ 131.111.10.206
+ 0: 131.111.10.206
+ 1: .206
+ 2: <unset>
+ 10.0.0.0
+ 0: 10.0.0.0
+ 1: .0
+ 2: <unset>
+ ** Failers
+No match
+ 10.6
+No match
+ 455.3.4.5
+No match
+
+/(?:a(?&abc)b)*(?<abc>x)/
+ 123axbaxbaxbx456
+ 0: axbaxbaxbx
+ 1: x
+ 123axbaxbaxb456
+ 0: x
+ 1: x
+
+/(?:a(?&abc)b){1,5}(?<abc>x)/
+ 123axbaxbaxbx456
+ 0: axbaxbaxbx
+ 1: x
+
+/(?:a(?&abc)b){2,5}(?<abc>x)/
+ 123axbaxbaxbx456
+ 0: axbaxbaxbx
+ 1: x
+
+/(?:a(?&abc)b){2,}(?<abc>x)/
+ 123axbaxbaxbx456
+ 0: axbaxbaxbx
+ 1: x
+
+/(abc)(?i:(?1))/
+ defabcabcxyz
+ 0: abcabc
+ 1: abc
+ DEFabcABCXYZ
+No match
+
+/(abc)(?:(?i)(?1))/
+ defabcabcxyz
+ 0: abcabc
+ 1: abc
+ DEFabcABCXYZ
+No match
+
+/^(a(b))\1\g1\g{1}\g-1\g{-1}\g{-02}Z/
+ ababababbbabZXXXX
+ 0: ababababbbabZ
+ 1: ab
+ 2: b
+
+/^(a)\g-2/
+Failed: reference to non-existent subpattern at offset 7
+
+/^(a)\g/
+Failed: \g is not followed by a braced name or an optionally braced non-zero number at offset 5
+
+/^(a)\g{0}/
+Failed: \g is not followed by a braced name or an optionally braced non-zero number at offset 7
+
+/^(a)\g{3/
+Failed: \g is not followed by a braced name or an optionally braced non-zero number at offset 8
+
+/^(a)\g{4a}/
+Failed: reference to non-existent subpattern at offset 9
+
+/^a.b/<lf>
+ a\rb
+ 0: a\x0db
+ *** Failers
+No match
+ a\nb
+No match
+
+/.+foo/
+ afoo
+ 0: afoo
+ ** Failers
+No match
+ \r\nfoo
+No match
+ \nfoo
+No match
+
+/.+foo/<crlf>
+ afoo
+ 0: afoo
+ \nfoo
+ 0: \x0afoo
+ ** Failers
+No match
+ \r\nfoo
+No match
+
+/.+foo/<any>
+ afoo
+ 0: afoo
+ ** Failers
+No match
+ \nfoo
+No match
+ \r\nfoo
+No match
+
+/.+foo/s
+ afoo
+ 0: afoo
+ \r\nfoo
+ 0: \x0d\x0afoo
+ \nfoo
+ 0: \x0afoo
+
+/^$/mg<any>
+ abc\r\rxyz
+ 0:
+ abc\n\rxyz
+ 0:
+ ** Failers
+No match
+ abc\r\nxyz
+No match
+
+/(?m)^$/<any>g+
+ abc\r\n\r\n
+ 0:
+ 0+ \x0d\x0a
+
+/(?m)^$|^\r\n/<any>g+
+ abc\r\n\r\n
+ 0:
+ 0+ \x0d\x0a
+ 0: \x0d\x0a
+ 0+
+
+/(?m)$/<any>g+
+ abc\r\n\r\n
+ 0:
+ 0+ \x0d\x0a\x0d\x0a
+ 0:
+ 0+ \x0d\x0a
+ 0:
+ 0+
+
+/abc.$/mgx<anycrlf>
+ abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x85 abc7\x{2028} abc8\x{2029} abc9
+ 0: abc1
+ 0: abc4
+ 0: abc5
+ 0: abc9
+
+/^X/m
+ XABC
+ 0: X
+ ** Failers
+No match
+ XABC\B
+No match
+
+/(ab|c)(?-1)/BZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ ab
+ Alt
+ c
+ Ket
+ Once
+ Recurse
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+ abc
+ 0: abc
+ 1: ab
+
+/xy(?+1)(abc)/BZ
+------------------------------------------------------------------
+ Bra
+ xy
+ Once
+ Recurse
+ Ket
+ CBra 1
+ abc
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+ xyabcabc
+ 0: xyabcabc
+ 1: abc
+ ** Failers
+No match
+ xyabc
+No match
+
+/x(?-0)y/
+Failed: (?+ or (?- or (?(+ or (?(- must be followed by a non-zero number at offset 5
+
+/x(?-1)y/
+Failed: reference to non-existent subpattern at offset 5
+
+/x(?+0)y/
+Failed: (?+ or (?- or (?(+ or (?(- must be followed by a non-zero number at offset 5
+
+/x(?+1)y/
+Failed: reference to non-existent subpattern at offset 5
+
+/^(abc)?(?(-1)X|Y)/BZ
+------------------------------------------------------------------
+ Bra
+ ^
+ Brazero
+ CBra 1
+ abc
+ Ket
+ Cond
+ 1 Cond ref
+ X
+ Alt
+ Y
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+ abcX
+ 0: abcX
+ 1: abc
+ Y
+ 0: Y
+ ** Failers
+No match
+ abcY
+No match
+
+/^((?(+1)X|Y)(abc))+/BZ
+------------------------------------------------------------------
+ Bra
+ ^
+ CBra 1
+ Cond
+ 2 Cond ref
+ X
+ Alt
+ Y
+ Ket
+ CBra 2
+ abc
+ Ket
+ KetRmax
+ Ket
+ End
+------------------------------------------------------------------
+ YabcXabc
+ 0: YabcXabc
+ 1: Xabc
+ 2: abc
+ YabcXabcXabc
+ 0: YabcXabcXabc
+ 1: Xabc
+ 2: abc
+ ** Failers
+No match
+ XabcXabc
+No match
+
+/(?(-1)a)/BZ
+Failed: reference to non-existent subpattern at offset 6
+
+/((?(-1)a))/BZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ Cond
+ 1 Cond ref
+ a
+ Ket
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+
+/((?(-2)a))/BZ
+Failed: reference to non-existent subpattern at offset 7
+
+/^(?(+1)X|Y)(.)/BZ
+------------------------------------------------------------------
+ Bra
+ ^
+ Cond
+ 1 Cond ref
+ X
+ Alt
+ Y
+ Ket
+ CBra 1
+ Any
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+ Y!
+ 0: Y!
+ 1: !
+
+/(foo)\Kbar/
+ foobar
+ 0: bar
+ 1: foo
+
+/(foo)(\Kbar|baz)/
+ foobar
+ 0: bar
+ 1: foo
+ 2: bar
+ foobaz
+ 0: foobaz
+ 1: foo
+ 2: baz
+
+/(foo\Kbar)baz/
+ foobarbaz
+ 0: barbaz
+ 1: foobar
+
+/(?<A>tom|bon)-\k{A}/
+ tom-tom
+ 0: tom-tom
+ 1: tom
+ bon-bon
+ 0: bon-bon
+ 1: bon
+ ** Failers
+No match
+ tom-bon
+No match
+
+/(?<A>tom|bon)-\g{A}/
+ tom-tom
+ 0: tom-tom
+ 1: tom
+ bon-bon
+ 0: bon-bon
+ 1: bon
+
+/\g{A/
+Failed: syntax error in subpattern name (missing terminator) at offset 4
+
+/(?|(abc)|(xyz))/BZ
+------------------------------------------------------------------
+ Bra
+ Bra
+ CBra 1
+ abc
+ Ket
+ Alt
+ CBra 1
+ xyz
+ Ket
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+ >abc<
+ 0: abc
+ 1: abc
+ >xyz<
+ 0: xyz
+ 1: xyz
+
+/(x)(?|(abc)|(xyz))(x)/BZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ x
+ Ket
+ Bra
+ CBra 2
+ abc
+ Ket
+ Alt
+ CBra 2
+ xyz
+ Ket
+ Ket
+ CBra 3
+ x
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+ xabcx
+ 0: xabcx
+ 1: x
+ 2: abc
+ 3: x
+ xxyzx
+ 0: xxyzx
+ 1: x
+ 2: xyz
+ 3: x
+
+/(x)(?|(abc)(pqr)|(xyz))(x)/BZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ x
+ Ket
+ Bra
+ CBra 2
+ abc
+ Ket
+ CBra 3
+ pqr
+ Ket
+ Alt
+ CBra 2
+ xyz
+ Ket
+ Ket
+ CBra 4
+ x
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+ xabcpqrx
+ 0: xabcpqrx
+ 1: x
+ 2: abc
+ 3: pqr
+ 4: x
+ xxyzx
+ 0: xxyzx
+ 1: x
+ 2: xyz
+ 3: <unset>
+ 4: x
+
+/(?|(abc)|(xyz))\1/
+ abcabc
+ 0: abcabc
+ 1: abc
+ xyzxyz
+ 0: xyzxyz
+ 1: xyz
+ ** Failers
+No match
+ abcxyz
+No match
+ xyzabc
+No match
+
+/(?|(abc)|(xyz))(?1)/
+ abcabc
+ 0: abcabc
+ 1: abc
+ xyzabc
+ 0: xyzabc
+ 1: xyz
+ ** Failers
+No match
+ xyzxyz
+No match
+
+/\H\h\V\v/
+ X X\x0a
+ 0: X X\x0a
+ X\x09X\x0b
+ 0: X\x09X\x0b
+ ** Failers
+No match
+ \xa0 X\x0a
+No match
+
+/\H*\h+\V?\v{3,4}/
+ \x09\x20\xa0X\x0a\x0b\x0c\x0d\x0a
+ 0: \x09 \xa0X\x0a\x0b\x0c\x0d
+ \x09\x20\xa0\x0a\x0b\x0c\x0d\x0a
+ 0: \x09 \xa0\x0a\x0b\x0c\x0d
+ \x09\x20\xa0\x0a\x0b\x0c
+ 0: \x09 \xa0\x0a\x0b\x0c
+ ** Failers
+No match
+ \x09\x20\xa0\x0a\x0b
+No match
+
+/\H{3,4}/
+ XY ABCDE
+ 0: ABCD
+ XY PQR ST
+ 0: PQR
+
+/.\h{3,4}./
+ XY AB PQRS
+ 0: B P
+
+/\h*X\h?\H+Y\H?Z/
+ >XNNNYZ
+ 0: XNNNYZ
+ > X NYQZ
+ 0: X NYQZ
+ ** Failers
+No match
+ >XYZ
+No match
+ > X NY Z
+No match
+
+/\v*X\v?Y\v+Z\V*\x0a\V+\x0b\V{2,3}\x0c/
+ >XY\x0aZ\x0aA\x0bNN\x0c
+ 0: XY\x0aZ\x0aA\x0bNN\x0c
+ >\x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
+ 0: \x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
+
+/[\h]/BZ
+------------------------------------------------------------------
+ Bra
+ [\x09 \xa0]
+ Ket
+ End
+------------------------------------------------------------------
+ >\x09<
+ 0: \x09
+
+/[\h]+/BZ
+------------------------------------------------------------------
+ Bra
+ [\x09 \xa0]+
+ Ket
+ End
+------------------------------------------------------------------
+ >\x09\x20\xa0<
+ 0: \x09 \xa0
+
+/[\v]/BZ
+------------------------------------------------------------------
+ Bra
+ [\x0a-\x0d\x85]
+ Ket
+ End
+------------------------------------------------------------------
+
+/[\H]/BZ
+------------------------------------------------------------------
+ Bra
+ [\x00-\x08\x0a-\x1f!-\x9f\xa1-\xff]
+ Ket
+ End
+------------------------------------------------------------------
+
+/[^\h]/BZ
+------------------------------------------------------------------
+ Bra
+ [\x00-\x08\x0a-\x1f!-\x9f\xa1-\xff] (neg)
+ Ket
+ End
+------------------------------------------------------------------
+
+/[\V]/BZ
+------------------------------------------------------------------
+ Bra
+ [\x00-\x09\x0e-\x84\x86-\xff]
+ Ket
+ End
+------------------------------------------------------------------
+
+/[\x0a\V]/BZ
+------------------------------------------------------------------
+ Bra
+ [\x00-\x0a\x0e-\x84\x86-\xff]
+ Ket
+ End
+------------------------------------------------------------------
+
+/\H++X/BZ
+------------------------------------------------------------------
+ Bra
+ \H++
+ X
+ Ket
+ End
+------------------------------------------------------------------
+ ** Failers
+No match
+ XXXX
+No match
+
+/\H+\hY/BZ
+------------------------------------------------------------------
+ Bra
+ \H++
+ \h
+ Y
+ Ket
+ End
+------------------------------------------------------------------
+ XXXX Y
+ 0: XXXX Y
+
+/\H+ Y/BZ
+------------------------------------------------------------------
+ Bra
+ \H++
+ Y
+ Ket
+ End
+------------------------------------------------------------------
+
+/\h+A/BZ
+------------------------------------------------------------------
+ Bra
+ \h++
+ A
+ Ket
+ End
+------------------------------------------------------------------
+
+/\v*B/BZ
+------------------------------------------------------------------
+ Bra
+ \v*+
+ B
+ Ket
+ End
+------------------------------------------------------------------
+
+/\V+\x0a/BZ
+------------------------------------------------------------------
+ Bra
+ \V++
+ \x0a
+ Ket
+ End
+------------------------------------------------------------------
+
+/A+\h/BZ
+------------------------------------------------------------------
+ Bra
+ A++
+ \h
+ Ket
+ End
+------------------------------------------------------------------
+
+/ *\H/BZ
+------------------------------------------------------------------
+ Bra
+ *+
+ \H
+ Ket
+ End
+------------------------------------------------------------------
+
+/A*\v/BZ
+------------------------------------------------------------------
+ Bra
+ A*+
+ \v
+ Ket
+ End
+------------------------------------------------------------------
+
+/\x0b*\V/BZ
+------------------------------------------------------------------
+ Bra
+ \x0b*+
+ \V
+ Ket
+ End
+------------------------------------------------------------------
+
+/\d+\h/BZ
+------------------------------------------------------------------
+ Bra
+ \d++
+ \h
+ Ket
+ End
+------------------------------------------------------------------
+
+/\d*\v/BZ
+------------------------------------------------------------------
+ Bra
+ \d*+
+ \v
+ Ket
+ End
+------------------------------------------------------------------
+
+/S+\h\S+\v/BZ
+------------------------------------------------------------------
+ Bra
+ S++
+ \h
+ \S++
+ \v
+ Ket
+ End
+------------------------------------------------------------------
+
+/\w{3,}\h\w+\v/BZ
+------------------------------------------------------------------
+ Bra
+ \w{3}
+ \w*+
+ \h
+ \w++
+ \v
+ Ket
+ End
+------------------------------------------------------------------
+
+/\h+\d\h+\w\h+\S\h+\H/BZ
+------------------------------------------------------------------
+ Bra
+ \h++
+ \d
+ \h++
+ \w
+ \h++
+ \S
+ \h++
+ \H
+ Ket
+ End
+------------------------------------------------------------------
+
+/\v+\d\v+\w\v+\S\v+\V/BZ
+------------------------------------------------------------------
+ Bra
+ \v++
+ \d
+ \v++
+ \w
+ \v+
+ \S
+ \v++
+ \V
+ Ket
+ End
+------------------------------------------------------------------
+
+/\H+\h\H+\d/BZ
+------------------------------------------------------------------
+ Bra
+ \H++
+ \h
+ \H+
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+
+/\V+\v\V+\w/BZ
+------------------------------------------------------------------
+ Bra
+ \V++
+ \v
+ \V+
+ \w
+ Ket
+ End
+------------------------------------------------------------------
+
+/\( (?: [^()]* | (?R) )* \)/x
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+
+/[\E]AAA/
+Failed: missing terminating ] for character class at offset 7
+
+/[\Q\E]AAA/
+Failed: missing terminating ] for character class at offset 9
+
+/[^\E]AAA/
+Failed: missing terminating ] for character class at offset 8
+
+/[^\Q\E]AAA/
+Failed: missing terminating ] for character class at offset 10
+
+/[\E^]AAA/
+Failed: missing terminating ] for character class at offset 8
+
+/[\Q\E^]AAA/
+Failed: missing terminating ] for character class at offset 10
+
+/A(*PRUNE)B(*SKIP)C(*THEN)D(*COMMIT)E(*F)F(*FAIL)G(?!)H(*ACCEPT)I/BZ
+------------------------------------------------------------------
+ Bra
+ A
+ *PRUNE
+ B
+ *SKIP
+ C
+ *THEN
+ D
+ *COMMIT
+ E
+ *FAIL
+ F
+ *FAIL
+ G
+ *FAIL
+ H
+ *ACCEPT
+ I
+ Ket
+ End
+------------------------------------------------------------------
+
+/^a+(*FAIL)/
+ aaaaaa
+No match
+
+/a+b?c+(*FAIL)/
+ aaabccc
+No match
+
+/a+b?(*PRUNE)c+(*FAIL)/
+ aaabccc
+No match
+
+/a+b?(*COMMIT)c+(*FAIL)/
+ aaabccc
+No match
+
+/a+b?(*SKIP)c+(*FAIL)/
+ aaabcccaaabccc
+No match
+
+/^(?:aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/
+ aaaxxxxxx
+ 0: aaaxxxxxx
+ aaa++++++
+ 0: aaa
+ bbbxxxxx
+ 0: bbbxxxxx
+ bbb+++++
+ 0: bbb
+ cccxxxx
+ 0: cccxxxx
+ ccc++++
+ 0: ccc
+ dddddddd
+ 0: ddd
+
+/^(aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/
+ aaaxxxxxx
+ 0: aaaxxxxxx
+ 1: aaaxxxxxx
+ aaa++++++
+ 0: aaa
+ 1: aaa
+ bbbxxxxx
+ 0: bbbxxxxx
+ 1: bbbxxxxx
+ bbb+++++
+ 0: bbb
+ 1: bbb
+ cccxxxx
+ 0: cccxxxx
+ 1: cccxxxx
+ ccc++++
+ 0: ccc
+ 1: ccc
+ dddddddd
+ 0: ddd
+ 1: ddd
+
+/a+b?(*THEN)c+(*FAIL)/
+ aaabccc
+No match
+
+/(A (A|B(*ACCEPT)|C) D)(E)/x
+ ABX
+ 0: AB
+ AADE
+ 0: AADE
+ 1: AAD
+ 2: A
+ 3: E
+ ACDE
+ 0: ACDE
+ 1: ACD
+ 2: C
+ 3: E
+ ** Failers
+No match
+ AD
+No match
+
+/^a+(*FAIL)/C
+ aaaaaa
+--->aaaaaa
+ +0 ^ ^
+ +1 ^ a+
+ +3 ^ ^ (*FAIL)
+ +3 ^ ^ (*FAIL)
+ +3 ^ ^ (*FAIL)
+ +3 ^ ^ (*FAIL)
+ +3 ^ ^ (*FAIL)
+ +3 ^^ (*FAIL)
+No match
+
+/a+b?c+(*FAIL)/C
+ aaabccc
+--->aaabccc
+ +0 ^ a+
+ +2 ^ ^ b?
+ +4 ^ ^ c+
+ +6 ^ ^ (*FAIL)
+ +6 ^ ^ (*FAIL)
+ +6 ^ ^ (*FAIL)
+ +4 ^ ^ c+
+ +2 ^ ^ b?
+ +4 ^ ^ c+
+ +2 ^^ b?
+ +4 ^^ c+
+ +0 ^ a+
+ +2 ^ ^ b?
+ +4 ^ ^ c+
+ +6 ^ ^ (*FAIL)
+ +6 ^ ^ (*FAIL)
+ +6 ^ ^ (*FAIL)
+ +4 ^ ^ c+
+ +2 ^^ b?
+ +4 ^^ c+
+ +0 ^ a+
+ +2 ^^ b?
+ +4 ^ ^ c+
+ +6 ^ ^ (*FAIL)
+ +6 ^ ^ (*FAIL)
+ +6 ^ ^ (*FAIL)
+ +4 ^^ c+
+No match
+
+/a+b?(*PRUNE)c+(*FAIL)/C
+ aaabccc
+--->aaabccc
+ +0 ^ a+
+ +2 ^ ^ b?
+ +4 ^ ^ (*PRUNE)
++12 ^ ^ c+
++14 ^ ^ (*FAIL)
++14 ^ ^ (*FAIL)
++14 ^ ^ (*FAIL)
+ +0 ^ a+
+ +2 ^ ^ b?
+ +4 ^ ^ (*PRUNE)
++12 ^ ^ c+
++14 ^ ^ (*FAIL)
++14 ^ ^ (*FAIL)
++14 ^ ^ (*FAIL)
+ +0 ^ a+
+ +2 ^^ b?
+ +4 ^ ^ (*PRUNE)
++12 ^ ^ c+
++14 ^ ^ (*FAIL)
++14 ^ ^ (*FAIL)
++14 ^ ^ (*FAIL)
+No match
+
+/a+b?(*COMMIT)c+(*FAIL)/C
+ aaabccc
+--->aaabccc
+ +0 ^ a+
+ +2 ^ ^ b?
+ +4 ^ ^ (*COMMIT)
++13 ^ ^ c+
++15 ^ ^ (*FAIL)
++15 ^ ^ (*FAIL)
++15 ^ ^ (*FAIL)
+No match
+
+/a+b?(*SKIP)c+(*FAIL)/C
+ aaabcccaaabccc
+--->aaabcccaaabccc
+ +0 ^ a+
+ +2 ^ ^ b?
+ +4 ^ ^ (*SKIP)
++11 ^ ^ c+
++13 ^ ^ (*FAIL)
++13 ^ ^ (*FAIL)
++13 ^ ^ (*FAIL)
+ +0 ^ a+
+ +2 ^ ^ b?
+ +4 ^ ^ (*SKIP)
++11 ^ ^ c+
++13 ^ ^ (*FAIL)
++13 ^ ^ (*FAIL)
++13 ^ ^ (*FAIL)
+No match
+
+/a+b?(*THEN)c+(*FAIL)/C
+ aaabccc
+--->aaabccc
+ +0 ^ a+
+ +2 ^ ^ b?
+ +4 ^ ^ (*THEN)
++11 ^ ^ c+
++13 ^ ^ (*FAIL)
++13 ^ ^ (*FAIL)
++13 ^ ^ (*FAIL)
+ +0 ^ a+
+ +2 ^ ^ b?
+ +4 ^ ^ (*THEN)
++11 ^ ^ c+
++13 ^ ^ (*FAIL)
++13 ^ ^ (*FAIL)
++13 ^ ^ (*FAIL)
+ +0 ^ a+
+ +2 ^^ b?
+ +4 ^ ^ (*THEN)
++11 ^ ^ c+
++13 ^ ^ (*FAIL)
++13 ^ ^ (*FAIL)
++13 ^ ^ (*FAIL)
+No match
+
+/a(*PRUNE:XXX)b/
+Failed: (*VERB) with an argument is not supported at offset 8
+
+/a(*MARK)b/
+Failed: (*VERB) not recognized at offset 7
+
+/(?i:A{1,}\6666666666)/
+Failed: number is too big at offset 19
+
+/\g6666666666/
+Failed: number is too big at offset 11
+
+/[\g6666666666]/
+Failed: number is too big at offset 12
+
+/(?1)\c[/
+Failed: reference to non-existent subpattern at offset 3
+
+/.+A/<crlf>
+ \r\nA
+No match
+
+/\nA/<crlf>
+ \r\nA
+ 0: \x0aA
+
+/[\r\n]A/<crlf>
+ \r\nA
+ 0: \x0aA
+
+/(\r|\n)A/<crlf>
+ \r\nA
+ 0: \x0aA
+ 1: \x0a
+
+/a(*CR)b/
+Failed: (*VERB) not recognized at offset 5
+
+/(*CR)a.b/
+ a\nb
+ 0: a\x0ab
+ ** Failers
+No match
+ a\rb
+No match
+
+/(*CR)a.b/<lf>
+ a\nb
+ 0: a\x0ab
+ ** Failers
+No match
+ a\rb
+No match
+
+/(*LF)a.b/<CRLF>
+ a\rb
+ 0: a\x0db
+ ** Failers
+No match
+ a\nb
+No match
+
+/(*CRLF)a.b/
+ a\rb
+ 0: a\x0db
+ a\nb
+ 0: a\x0ab
+ ** Failers
+No match
+ a\r\nb
+No match
+
+/(*ANYCRLF)a.b/<CR>
+ ** Failers
+No match
+ a\rb
+No match
+ a\nb
+No match
+ a\r\nb
+No match
+
+/(*ANY)a.b/<cr>
+ ** Failers
+No match
+ a\rb
+No match
+ a\nb
+No match
+ a\r\nb
+No match
+ a\x85b
+No match
+
+/a\Rb/I<bsr_anycrlf>
+Capturing subpattern count = 0
+Options: bsr_anycrlf
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x0db
+ a\nb
+ 0: a\x0ab
+ a\r\nb
+ 0: a\x0d\x0ab
+ ** Failers
+No match
+ a\x85b
+No match
+ a\x0bb
+No match
+
+/a\Rb/I<bsr_unicode>
+Capturing subpattern count = 0
+Options: bsr_unicode
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x0db
+ a\nb
+ 0: a\x0ab
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x85b
+ 0: a\x85b
+ a\x0bb
+ 0: a\x0bb
+ ** Failers
+No match
+ a\x85b\<bsr_anycrlf>
+No match
+ a\x0bb\<bsr_anycrlf>
+No match
+
+/a\R?b/I<bsr_anycrlf>
+Capturing subpattern count = 0
+Options: bsr_anycrlf
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x0db
+ a\nb
+ 0: a\x0ab
+ a\r\nb
+ 0: a\x0d\x0ab
+ ** Failers
+No match
+ a\x85b
+No match
+ a\x0bb
+No match
+
+/a\R?b/I<bsr_unicode>
+Capturing subpattern count = 0
+Options: bsr_unicode
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x0db
+ a\nb
+ 0: a\x0ab
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x85b
+ 0: a\x85b
+ a\x0bb
+ 0: a\x0bb
+ ** Failers
+No match
+ a\x85b\<bsr_anycrlf>
+No match
+ a\x0bb\<bsr_anycrlf>
+No match
+
+/a\R{2,4}b/I<bsr_anycrlf>
+Capturing subpattern count = 0
+Partial matching not supported
+Options: bsr_anycrlf
+First char = 'a'
+Need char = 'b'
+ a\r\n\nb
+ 0: a\x0d\x0a\x0ab
+ a\n\r\rb
+ 0: a\x0a\x0d\x0db
+ a\r\n\r\n\r\n\r\nb
+ 0: a\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0ab
+ ** Failers
+No match
+ a\x85\85b
+No match
+ a\x0b\0bb
+No match
+
+/a\R{2,4}b/I<bsr_unicode>
+Capturing subpattern count = 0
+Partial matching not supported
+Options: bsr_unicode
+First char = 'a'
+Need char = 'b'
+ a\r\rb
+ 0: a\x0d\x0db
+ a\n\n\nb
+ 0: a\x0a\x0a\x0ab
+ a\r\n\n\r\rb
+ 0: a\x0d\x0a\x0a\x0d\x0db
+ a\x85\85b
+No match
+ a\x0b\0bb
+No match
+ ** Failers
+No match
+ a\r\r\r\r\rb
+No match
+ a\x85\85b\<bsr_anycrlf>
+No match
+ a\x0b\0bb\<bsr_anycrlf>
+No match
+
+/(*BSR_ANYCRLF)a\Rb/I
+Capturing subpattern count = 0
+Options: bsr_anycrlf
+First char = 'a'
+Need char = 'b'
+ a\nb
+ 0: a\x0ab
+ a\rb
+ 0: a\x0db
+
+/(*BSR_UNICODE)a\Rb/I
+Capturing subpattern count = 0
+Options: bsr_unicode
+First char = 'a'
+Need char = 'b'
+ a\x85b
+ 0: a\x85b
+
+/(*BSR_ANYCRLF)(*CRLF)a\Rb/I
+Capturing subpattern count = 0
+Options: bsr_anycrlf
+Forced newline sequence: CRLF
+First char = 'a'
+Need char = 'b'
+ a\nb
+ 0: a\x0ab
+ a\rb
+ 0: a\x0db
+
+/(*CRLF)(*BSR_UNICODE)a\Rb/I
+Capturing subpattern count = 0
+Options: bsr_unicode
+Forced newline sequence: CRLF
+First char = 'a'
+Need char = 'b'
+ a\x85b
+ 0: a\x85b
+
+/(*CRLF)(*BSR_ANYCRLF)(*CR)ab/I
+Capturing subpattern count = 0
+Options: bsr_anycrlf
+Forced newline sequence: CR
+First char = 'a'
+Need char = 'b'
+
+/(?<a>)(?&)/
+Failed: subpattern name expected at offset 9
+
+/(?<abc>)(?&a)/
+Failed: reference to non-existent subpattern at offset 12
+
+/(?<a>)(?&aaaaaaaaaaaaaaaaaaaaaaa)/
+Failed: reference to non-existent subpattern at offset 32
+
+/(?+-a)/
+Failed: digit expected after (?+ at offset 3
+
+/(?-+a)/
+Failed: unrecognized character after (? or (?- at offset 3
+
+/(?(-1))/
+Failed: reference to non-existent subpattern at offset 6
+
+/(?(+10))/
+Failed: reference to non-existent subpattern at offset 7
+
+/(?(10))/
+Failed: reference to non-existent subpattern at offset 6
+
+/(?(+2))()()/
+
+/(?(2))()()/
+
+/\k''/
+Failed: subpattern name expected at offset 3
+
+/\k<>/
+Failed: subpattern name expected at offset 3
+
+/\k{}/
+Failed: subpattern name expected at offset 3
+
+/(?P=)/
+Failed: subpattern name expected at offset 4
+
+/(?P>)/
+Failed: subpattern name expected at offset 4
+
+/(?!\w)(?R)/
+Failed: recursive call could loop indefinitely at offset 9
+
+/(?=\w)(?R)/
+Failed: recursive call could loop indefinitely at offset 9
+
+/(?<!\w)(?R)/
+Failed: recursive call could loop indefinitely at offset 10
+
+/(?<=\w)(?R)/
+Failed: recursive call could loop indefinitely at offset 10
+
+/[[:foo:]]/
+Failed: unknown POSIX class name at offset 3
+
+/[[:1234:]]/
+Failed: unknown POSIX class name at offset 3
+
+/[[:f\oo:]]/
+Failed: unknown POSIX class name at offset 3
+
+/[[: :]]/
+Failed: unknown POSIX class name at offset 3
+
+/[[:...:]]/
+Failed: unknown POSIX class name at offset 3
+
+/[[:l\ower:]]/
+Failed: unknown POSIX class name at offset 3
+
+/[[:abc\:]]/
+Failed: unknown POSIX class name at offset 3
+
+/[abc[:x\]pqr:]]/
+Failed: unknown POSIX class name at offset 6
+
+/[[:a\dz:]]/
+Failed: unknown POSIX class name at offset 3
+
+/ End of testinput2 /
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput3 b/lib/stdlib/test/re_SUITE_data/testoutput3
new file mode 100644
index 0000000000..28b1c3aaaf
--- /dev/null
+++ b/lib/stdlib/test/re_SUITE_data/testoutput3
@@ -0,0 +1,163 @@
+/^[\w]+/
+ *** Failers
+No match
+ �cole
+No match
+
+/^[\w]+/Lfr_FR
+ �cole
+ 0: �cole
+
+/^[\w]+/
+ *** Failers
+No match
+ �cole
+No match
+
+/^[\W]+/
+ �cole
+ 0: \xc9
+
+/^[\W]+/Lfr_FR
+ *** Failers
+ 0: ***
+ �cole
+No match
+
+/[\b]/
+ \b
+ 0: \x08
+ *** Failers
+No match
+ a
+No match
+
+/[\b]/Lfr_FR
+ \b
+ 0: \x08
+ *** Failers
+No match
+ a
+No match
+
+/^\w+/
+ *** Failers
+No match
+ �cole
+No match
+
+/^\w+/Lfr_FR
+ �cole
+ 0: �cole
+
+/(.+)\b(.+)/
+ �cole
+ 0: \xc9cole
+ 1: \xc9
+ 2: cole
+
+/(.+)\b(.+)/Lfr_FR
+ *** Failers
+ 0: *** Failers
+ 1: ***
+ 2: Failers
+ �cole
+No match
+
+/�cole/i
+ �cole
+ 0: \xc9cole
+ *** Failers
+No match
+ �cole
+No match
+
+/�cole/iLfr_FR
+ �cole
+ 0: �cole
+ �cole
+ 0: �cole
+
+/\w/IS
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+Starting byte set: 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P
+ Q R S T U V W X Y Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z
+
+/\w/ISLfr_FR
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+Starting byte set: 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P
+ Q R S T U V W X Y Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z
+ � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
+ � � � � � � � � � � � � � � � � � � � � � � � � � � � �
+
+/^[\xc8-\xc9]/iLfr_FR
+ �cole
+ 0: �
+ �cole
+ 0: �
+
+/^[\xc8-\xc9]/Lfr_FR
+ �cole
+ 0: �
+ *** Failers
+No match
+ �cole
+No match
+
+/\W+/Lfr_FR
+ >>>\xaa<<<
+ 0: >>>
+ >>>\xba<<<
+ 0: >>>
+
+/[\W]+/Lfr_FR
+ >>>\xaa<<<
+ 0: >>>
+ >>>\xba<<<
+ 0: >>>
+
+/[^[:alpha:]]+/Lfr_FR
+ >>>\xaa<<<
+ 0: >>>
+ >>>\xba<<<
+ 0: >>>
+
+/\w+/Lfr_FR
+ >>>\xaa<<<
+ 0: �
+ >>>\xba<<<
+ 0: �
+
+/[\w]+/Lfr_FR
+ >>>\xaa<<<
+ 0: �
+ >>>\xba<<<
+ 0: �
+
+/[[:alpha:]]+/Lfr_FR
+ >>>\xaa<<<
+ 0: �
+ >>>\xba<<<
+ 0: �
+
+/[[:alpha:]][[:lower:]][[:upper:]]/DZLfr_FR
+------------------------------------------------------------------
+ Bra
+ [A-Za-z\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\xff]
+ [a-z\xb5\xdf-\xf6\xf8-\xff]
+ [A-Z\xc0-\xd6\xd8-\xde]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/ End of testinput3 /
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput4 b/lib/stdlib/test/re_SUITE_data/testoutput4
new file mode 100644
index 0000000000..d87ea4bcc4
--- /dev/null
+++ b/lib/stdlib/test/re_SUITE_data/testoutput4
@@ -0,0 +1,1074 @@
+/-- Do not use the \x{} construct except with patterns that have the --/
+/-- /8 option set, because PCRE doesn't recognize them as UTF-8 unless --/
+No match
+/-- that option is set. However, the latest Perls recognize them always. --/
+No match
+
+/a.b/8
+ acb
+ 0: acb
+ a\x7fb
+ 0: a\x{7f}b
+ a\x{100}b
+ 0: a\x{100}b
+ *** Failers
+No match
+ a\nb
+No match
+
+/a(.{3})b/8
+ a\x{4000}xyb
+ 0: a\x{4000}xyb
+ 1: \x{4000}xy
+ a\x{4000}\x7fyb
+ 0: a\x{4000}\x{7f}yb
+ 1: \x{4000}\x{7f}y
+ a\x{4000}\x{100}yb
+ 0: a\x{4000}\x{100}yb
+ 1: \x{4000}\x{100}y
+ *** Failers
+No match
+ a\x{4000}b
+No match
+ ac\ncb
+No match
+
+/a(.*?)(.)/
+ a\xc0\x88b
+ 0: a\xc0
+ 1:
+ 2: \xc0
+
+/a(.*?)(.)/8
+ a\x{100}b
+ 0: a\x{100}
+ 1:
+ 2: \x{100}
+
+/a(.*)(.)/
+ a\xc0\x88b
+ 0: a\xc0\x88b
+ 1: \xc0\x88
+ 2: b
+
+/a(.*)(.)/8
+ a\x{100}b
+ 0: a\x{100}b
+ 1: \x{100}
+ 2: b
+
+/a(.)(.)/
+ a\xc0\x92bcd
+ 0: a\xc0\x92
+ 1: \xc0
+ 2: \x92
+
+/a(.)(.)/8
+ a\x{240}bcd
+ 0: a\x{240}b
+ 1: \x{240}
+ 2: b
+
+/a(.?)(.)/
+ a\xc0\x92bcd
+ 0: a\xc0\x92
+ 1: \xc0
+ 2: \x92
+
+/a(.?)(.)/8
+ a\x{240}bcd
+ 0: a\x{240}b
+ 1: \x{240}
+ 2: b
+
+/a(.??)(.)/
+ a\xc0\x92bcd
+ 0: a\xc0
+ 1:
+ 2: \xc0
+
+/a(.??)(.)/8
+ a\x{240}bcd
+ 0: a\x{240}
+ 1:
+ 2: \x{240}
+
+/a(.{3})b/8
+ a\x{1234}xyb
+ 0: a\x{1234}xyb
+ 1: \x{1234}xy
+ a\x{1234}\x{4321}yb
+ 0: a\x{1234}\x{4321}yb
+ 1: \x{1234}\x{4321}y
+ a\x{1234}\x{4321}\x{3412}b
+ 0: a\x{1234}\x{4321}\x{3412}b
+ 1: \x{1234}\x{4321}\x{3412}
+ *** Failers
+No match
+ a\x{1234}b
+No match
+ ac\ncb
+No match
+
+/a(.{3,})b/8
+ a\x{1234}xyb
+ 0: a\x{1234}xyb
+ 1: \x{1234}xy
+ a\x{1234}\x{4321}yb
+ 0: a\x{1234}\x{4321}yb
+ 1: \x{1234}\x{4321}y
+ a\x{1234}\x{4321}\x{3412}b
+ 0: a\x{1234}\x{4321}\x{3412}b
+ 1: \x{1234}\x{4321}\x{3412}
+ axxxxbcdefghijb
+ 0: axxxxbcdefghijb
+ 1: xxxxbcdefghij
+ a\x{1234}\x{4321}\x{3412}\x{3421}b
+ 0: a\x{1234}\x{4321}\x{3412}\x{3421}b
+ 1: \x{1234}\x{4321}\x{3412}\x{3421}
+ *** Failers
+No match
+ a\x{1234}b
+No match
+
+/a(.{3,}?)b/8
+ a\x{1234}xyb
+ 0: a\x{1234}xyb
+ 1: \x{1234}xy
+ a\x{1234}\x{4321}yb
+ 0: a\x{1234}\x{4321}yb
+ 1: \x{1234}\x{4321}y
+ a\x{1234}\x{4321}\x{3412}b
+ 0: a\x{1234}\x{4321}\x{3412}b
+ 1: \x{1234}\x{4321}\x{3412}
+ axxxxbcdefghijb
+ 0: axxxxb
+ 1: xxxx
+ a\x{1234}\x{4321}\x{3412}\x{3421}b
+ 0: a\x{1234}\x{4321}\x{3412}\x{3421}b
+ 1: \x{1234}\x{4321}\x{3412}\x{3421}
+ *** Failers
+No match
+ a\x{1234}b
+No match
+
+/a(.{3,5})b/8
+ a\x{1234}xyb
+ 0: a\x{1234}xyb
+ 1: \x{1234}xy
+ a\x{1234}\x{4321}yb
+ 0: a\x{1234}\x{4321}yb
+ 1: \x{1234}\x{4321}y
+ a\x{1234}\x{4321}\x{3412}b
+ 0: a\x{1234}\x{4321}\x{3412}b
+ 1: \x{1234}\x{4321}\x{3412}
+ axxxxbcdefghijb
+ 0: axxxxb
+ 1: xxxx
+ a\x{1234}\x{4321}\x{3412}\x{3421}b
+ 0: a\x{1234}\x{4321}\x{3412}\x{3421}b
+ 1: \x{1234}\x{4321}\x{3412}\x{3421}
+ axbxxbcdefghijb
+ 0: axbxxb
+ 1: xbxx
+ axxxxxbcdefghijb
+ 0: axxxxxb
+ 1: xxxxx
+ *** Failers
+No match
+ a\x{1234}b
+No match
+ axxxxxxbcdefghijb
+No match
+
+/a(.{3,5}?)b/8
+ a\x{1234}xyb
+ 0: a\x{1234}xyb
+ 1: \x{1234}xy
+ a\x{1234}\x{4321}yb
+ 0: a\x{1234}\x{4321}yb
+ 1: \x{1234}\x{4321}y
+ a\x{1234}\x{4321}\x{3412}b
+ 0: a\x{1234}\x{4321}\x{3412}b
+ 1: \x{1234}\x{4321}\x{3412}
+ axxxxbcdefghijb
+ 0: axxxxb
+ 1: xxxx
+ a\x{1234}\x{4321}\x{3412}\x{3421}b
+ 0: a\x{1234}\x{4321}\x{3412}\x{3421}b
+ 1: \x{1234}\x{4321}\x{3412}\x{3421}
+ axbxxbcdefghijb
+ 0: axbxxb
+ 1: xbxx
+ axxxxxbcdefghijb
+ 0: axxxxxb
+ 1: xxxxx
+ *** Failers
+No match
+ a\x{1234}b
+No match
+ axxxxxxbcdefghijb
+No match
+
+/^[a\x{c0}]/8
+ *** Failers
+No match
+ \x{100}
+No match
+
+/(?<=aXb)cd/8
+ aXbcd
+ 0: cd
+
+/(?<=a\x{100}b)cd/8
+ a\x{100}bcd
+ 0: cd
+
+/(?<=a\x{100000}b)cd/8
+ a\x{100000}bcd
+ 0: cd
+
+/(?:\x{100}){3}b/8
+ \x{100}\x{100}\x{100}b
+ 0: \x{100}\x{100}\x{100}b
+ *** Failers
+No match
+ \x{100}\x{100}b
+No match
+
+/\x{ab}/8
+ \x{ab}
+ 0: \x{ab}
+ \xc2\xab
+ 0: \x{ab}
+ *** Failers
+No match
+ \x00{ab}
+No match
+
+/(?<=(.))X/8
+ WXYZ
+ 0: X
+ 1: W
+ \x{256}XYZ
+ 0: X
+ 1: \x{256}
+ *** Failers
+No match
+ XYZ
+No match
+
+/X(\C{3})/8
+ X\x{1234}
+ 0: X\x{1234}
+ 1: \x{1234}
+
+/X(\C{4})/8
+ X\x{1234}YZ
+ 0: X\x{1234}Y
+ 1: \x{1234}Y
+
+/X\C*/8
+ XYZabcdce
+ 0: XYZabcdce
+
+/X\C*?/8
+ XYZabcde
+ 0: X
+
+/X\C{3,5}/8
+ Xabcdefg
+ 0: Xabcde
+ X\x{1234}
+ 0: X\x{1234}
+ X\x{1234}YZ
+ 0: X\x{1234}YZ
+ X\x{1234}\x{512}
+ 0: X\x{1234}\x{512}
+ X\x{1234}\x{512}YZ
+ 0: X\x{1234}\x{512}
+
+/X\C{3,5}?/8
+ Xabcdefg
+ 0: Xabc
+ X\x{1234}
+ 0: X\x{1234}
+ X\x{1234}YZ
+ 0: X\x{1234}
+ X\x{1234}\x{512}
+ 0: X\x{1234}
+
+/[^a]+/8g
+ bcd
+ 0: bcd
+ \x{100}aY\x{256}Z
+ 0: \x{100}
+ 0: Y\x{256}Z
+
+/^[^a]{2}/8
+ \x{100}bc
+ 0: \x{100}b
+
+/^[^a]{2,}/8
+ \x{100}bcAa
+ 0: \x{100}bcA
+
+/^[^a]{2,}?/8
+ \x{100}bca
+ 0: \x{100}b
+
+/[^a]+/8ig
+ bcd
+ 0: bcd
+ \x{100}aY\x{256}Z
+ 0: \x{100}
+ 0: Y\x{256}Z
+
+/^[^a]{2}/8i
+ \x{100}bc
+ 0: \x{100}b
+
+/^[^a]{2,}/8i
+ \x{100}bcAa
+ 0: \x{100}bc
+
+/^[^a]{2,}?/8i
+ \x{100}bca
+ 0: \x{100}b
+
+/\x{100}{0,0}/8
+ abcd
+ 0:
+
+/\x{100}?/8
+ abcd
+ 0:
+ \x{100}\x{100}
+ 0: \x{100}
+
+/\x{100}{0,3}/8
+ \x{100}\x{100}
+ 0: \x{100}\x{100}
+ \x{100}\x{100}\x{100}\x{100}
+ 0: \x{100}\x{100}\x{100}
+
+/\x{100}*/8
+ abce
+ 0:
+ \x{100}\x{100}\x{100}\x{100}
+ 0: \x{100}\x{100}\x{100}\x{100}
+
+/\x{100}{1,1}/8
+ abcd\x{100}\x{100}\x{100}\x{100}
+ 0: \x{100}
+
+/\x{100}{1,3}/8
+ abcd\x{100}\x{100}\x{100}\x{100}
+ 0: \x{100}\x{100}\x{100}
+
+/\x{100}+/8
+ abcd\x{100}\x{100}\x{100}\x{100}
+ 0: \x{100}\x{100}\x{100}\x{100}
+
+/\x{100}{3}/8
+ abcd\x{100}\x{100}\x{100}XX
+ 0: \x{100}\x{100}\x{100}
+
+/\x{100}{3,5}/8
+ abcd\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}XX
+ 0: \x{100}\x{100}\x{100}\x{100}\x{100}
+
+/\x{100}{3,}/8
+ abcd\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}XX
+ 0: \x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}
+
+/(?<=a\x{100}{2}b)X/8+
+ Xyyya\x{100}\x{100}bXzzz
+ 0: X
+ 0+ zzz
+
+/\D*/8
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/\D*/8
+ \x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}
+ 0: \x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}
+
+/\D/8
+ 1X2
+ 0: X
+ 1\x{100}2
+ 0: \x{100}
+
+/>\S/8
+ > >X Y
+ 0: >X
+ > >\x{100} Y
+ 0: >\x{100}
+
+/\d/8
+ \x{100}3
+ 0: 3
+
+/\s/8
+ \x{100} X
+ 0:
+
+/\D+/8
+ 12abcd34
+ 0: abcd
+ *** Failers
+ 0: *** Failers
+ 1234
+No match
+
+/\D{2,3}/8
+ 12abcd34
+ 0: abc
+ 12ab34
+ 0: ab
+ *** Failers
+ 0: ***
+ 1234
+No match
+ 12a34
+No match
+
+/\D{2,3}?/8
+ 12abcd34
+ 0: ab
+ 12ab34
+ 0: ab
+ *** Failers
+ 0: **
+ 1234
+No match
+ 12a34
+No match
+
+/\d+/8
+ 12abcd34
+ 0: 12
+ *** Failers
+No match
+
+/\d{2,3}/8
+ 12abcd34
+ 0: 12
+ 1234abcd
+ 0: 123
+ *** Failers
+No match
+ 1.4
+No match
+
+/\d{2,3}?/8
+ 12abcd34
+ 0: 12
+ 1234abcd
+ 0: 12
+ *** Failers
+No match
+ 1.4
+No match
+
+/\S+/8
+ 12abcd34
+ 0: 12abcd34
+ *** Failers
+ 0: ***
+ \ \
+No match
+
+/\S{2,3}/8
+ 12abcd34
+ 0: 12a
+ 1234abcd
+ 0: 123
+ *** Failers
+ 0: ***
+ \ \
+No match
+
+/\S{2,3}?/8
+ 12abcd34
+ 0: 12
+ 1234abcd
+ 0: 12
+ *** Failers
+ 0: **
+ \ \
+No match
+
+/>\s+</8+
+ 12> <34
+ 0: > <
+ 0+ 34
+ *** Failers
+No match
+
+/>\s{2,3}</8+
+ ab> <cd
+ 0: > <
+ 0+ cd
+ ab> <ce
+ 0: > <
+ 0+ ce
+ *** Failers
+No match
+ ab> <cd
+No match
+
+/>\s{2,3}?</8+
+ ab> <cd
+ 0: > <
+ 0+ cd
+ ab> <ce
+ 0: > <
+ 0+ ce
+ *** Failers
+No match
+ ab> <cd
+No match
+
+/\w+/8
+ 12 34
+ 0: 12
+ *** Failers
+ 0: Failers
+ +++=*!
+No match
+
+/\w{2,3}/8
+ ab cd
+ 0: ab
+ abcd ce
+ 0: abc
+ *** Failers
+ 0: Fai
+ a.b.c
+No match
+
+/\w{2,3}?/8
+ ab cd
+ 0: ab
+ abcd ce
+ 0: ab
+ *** Failers
+ 0: Fa
+ a.b.c
+No match
+
+/\W+/8
+ 12====34
+ 0: ====
+ *** Failers
+ 0: ***
+ abcd
+No match
+
+/\W{2,3}/8
+ ab====cd
+ 0: ===
+ ab==cd
+ 0: ==
+ *** Failers
+ 0: ***
+ a.b.c
+No match
+
+/\W{2,3}?/8
+ ab====cd
+ 0: ==
+ ab==cd
+ 0: ==
+ *** Failers
+ 0: **
+ a.b.c
+No match
+
+/[\x{100}]/8
+ \x{100}
+ 0: \x{100}
+ Z\x{100}
+ 0: \x{100}
+ \x{100}Z
+ 0: \x{100}
+ *** Failers
+No match
+
+/[Z\x{100}]/8
+ Z\x{100}
+ 0: Z
+ \x{100}
+ 0: \x{100}
+ \x{100}Z
+ 0: \x{100}
+ *** Failers
+No match
+
+/[\x{100}\x{200}]/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ *** Failers
+No match
+
+/[\x{100}-\x{200}]/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{111}cd
+ 0: \x{111}
+ *** Failers
+No match
+
+/[z-\x{200}]/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{111}cd
+ 0: \x{111}
+ abzcd
+ 0: z
+ ab|cd
+ 0: |
+ *** Failers
+No match
+
+/[Q\x{100}\x{200}]/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ Q?
+ 0: Q
+ *** Failers
+No match
+
+/[Q\x{100}-\x{200}]/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{111}cd
+ 0: \x{111}
+ Q?
+ 0: Q
+ *** Failers
+No match
+
+/[Qz-\x{200}]/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{111}cd
+ 0: \x{111}
+ abzcd
+ 0: z
+ ab|cd
+ 0: |
+ Q?
+ 0: Q
+ *** Failers
+No match
+
+/[\x{100}\x{200}]{1,3}/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{200}\x{100}\x{200}\x{100}cd
+ 0: \x{200}\x{100}\x{200}
+ *** Failers
+No match
+
+/[\x{100}\x{200}]{1,3}?/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{200}\x{100}\x{200}\x{100}cd
+ 0: \x{200}
+ *** Failers
+No match
+
+/[Q\x{100}\x{200}]{1,3}/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{200}\x{100}\x{200}\x{100}cd
+ 0: \x{200}\x{100}\x{200}
+ *** Failers
+No match
+
+/[Q\x{100}\x{200}]{1,3}?/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{200}\x{100}\x{200}\x{100}cd
+ 0: \x{200}
+ *** Failers
+No match
+
+/(?<=[\x{100}\x{200}])X/8
+ abc\x{200}X
+ 0: X
+ abc\x{100}X
+ 0: X
+ *** Failers
+No match
+ X
+No match
+
+/(?<=[Q\x{100}\x{200}])X/8
+ abc\x{200}X
+ 0: X
+ abc\x{100}X
+ 0: X
+ abQX
+ 0: X
+ *** Failers
+No match
+ X
+No match
+
+/(?<=[\x{100}\x{200}]{3})X/8
+ abc\x{100}\x{200}\x{100}X
+ 0: X
+ *** Failers
+No match
+ abc\x{200}X
+No match
+ X
+No match
+
+/[^\x{100}\x{200}]X/8
+ AX
+ 0: AX
+ \x{150}X
+ 0: \x{150}X
+ \x{500}X
+ 0: \x{500}X
+ *** Failers
+No match
+ \x{100}X
+No match
+ \x{200}X
+No match
+
+/[^Q\x{100}\x{200}]X/8
+ AX
+ 0: AX
+ \x{150}X
+ 0: \x{150}X
+ \x{500}X
+ 0: \x{500}X
+ *** Failers
+No match
+ \x{100}X
+No match
+ \x{200}X
+No match
+ QX
+No match
+
+/[^\x{100}-\x{200}]X/8
+ AX
+ 0: AX
+ \x{500}X
+ 0: \x{500}X
+ *** Failers
+No match
+ \x{100}X
+No match
+ \x{150}X
+No match
+ \x{200}X
+No match
+
+/a\Cb/
+ aXb
+ 0: aXb
+ a\nb
+ 0: a\x0ab
+
+/a\Cb/8
+ aXb
+ 0: aXb
+ a\nb
+ 0: a\x{0a}b
+ *** Failers
+No match
+ a\x{100}b
+No match
+
+/[z-\x{100}]/8i
+ z
+ 0: z
+ Z
+ 0: Z
+ \x{100}
+ 0: \x{100}
+ *** Failers
+No match
+ \x{102}
+No match
+ y
+No match
+
+/[\xFF]/
+ >\xff<
+ 0: \xff
+
+/[\xff]/8
+ >\x{ff}<
+ 0: \x{ff}
+
+/[^\xFF]/
+ XYZ
+ 0: X
+
+/[^\xff]/8
+ XYZ
+ 0: X
+ \x{123}
+ 0: \x{123}
+
+/^[ac]*b/8
+ xb
+No match
+
+/^[ac\x{100}]*b/8
+ xb
+No match
+
+/^[^x]*b/8i
+ xb
+No match
+
+/^[^x]*b/8
+ xb
+No match
+
+/^\d*b/8
+ xb
+No match
+
+/(|a)/g8
+ catac
+ 0:
+ 1:
+ 0:
+ 1:
+ 0: a
+ 1: a
+ 0:
+ 1:
+ 0:
+ 1:
+ 0: a
+ 1: a
+ 0:
+ 1:
+ 0:
+ 1:
+ a\x{256}a
+ 0:
+ 1:
+ 0: a
+ 1: a
+ 0:
+ 1:
+ 0:
+ 1:
+ 0: a
+ 1: a
+ 0:
+ 1:
+
+/^\x{85}$/8i
+ \x{85}
+ 0: \x{85}
+
+/^ሴ/8
+ ሴ
+ 0: \x{1234}
+
+/^\ሴ/8
+ ሴ
+ 0: \x{1234}
+
+"(?s)(.{1,5})"8
+ abcdefg
+ 0: abcde
+ 1: abcde
+ ab
+ 0: ab
+ 1: ab
+
+/a*\x{100}*\w/8
+ a
+ 0: a
+
+/\S\S/8g
+ A\x{a3}BC
+ 0: A\x{a3}
+ 0: BC
+
+/\S{2}/8g
+ A\x{a3}BC
+ 0: A\x{a3}
+ 0: BC
+
+/\W\W/8g
+ +\x{a3}==
+ 0: +\x{a3}
+ 0: ==
+
+/\W{2}/8g
+ +\x{a3}==
+ 0: +\x{a3}
+ 0: ==
+
+/\S/8g
+ \x{442}\x{435}\x{441}\x{442}
+ 0: \x{442}
+ 0: \x{435}
+ 0: \x{441}
+ 0: \x{442}
+
+/[\S]/8g
+ \x{442}\x{435}\x{441}\x{442}
+ 0: \x{442}
+ 0: \x{435}
+ 0: \x{441}
+ 0: \x{442}
+
+/\D/8g
+ \x{442}\x{435}\x{441}\x{442}
+ 0: \x{442}
+ 0: \x{435}
+ 0: \x{441}
+ 0: \x{442}
+
+/[\D]/8g
+ \x{442}\x{435}\x{441}\x{442}
+ 0: \x{442}
+ 0: \x{435}
+ 0: \x{441}
+ 0: \x{442}
+
+/\W/8g
+ \x{2442}\x{2435}\x{2441}\x{2442}
+ 0: \x{2442}
+ 0: \x{2435}
+ 0: \x{2441}
+ 0: \x{2442}
+
+/[\W]/8g
+ \x{2442}\x{2435}\x{2441}\x{2442}
+ 0: \x{2442}
+ 0: \x{2435}
+ 0: \x{2441}
+ 0: \x{2442}
+
+/[\S\s]*/8
+ abc\n\r\x{442}\x{435}\x{441}\x{442}xyz
+ 0: abc\x{0a}\x{0d}\x{442}\x{435}\x{441}\x{442}xyz
+
+/[\x{41f}\S]/8g
+ \x{442}\x{435}\x{441}\x{442}
+ 0: \x{442}
+ 0: \x{435}
+ 0: \x{441}
+ 0: \x{442}
+
+/.[^\S]./8g
+ abc def\x{442}\x{443}xyz\npqr
+ 0: c d
+ 0: z\x{0a}p
+
+/.[^\S\n]./8g
+ abc def\x{442}\x{443}xyz\npqr
+ 0: c d
+
+/[[:^alnum:]]/8g
+ +\x{2442}
+ 0: +
+ 0: \x{2442}
+
+/[[:^alpha:]]/8g
+ +\x{2442}
+ 0: +
+ 0: \x{2442}
+
+/[[:^ascii:]]/8g
+ A\x{442}
+ 0: \x{442}
+
+/[[:^blank:]]/8g
+ A\x{442}
+ 0: A
+ 0: \x{442}
+
+/[[:^cntrl:]]/8g
+ A\x{442}
+ 0: A
+ 0: \x{442}
+
+/[[:^digit:]]/8g
+ A\x{442}
+ 0: A
+ 0: \x{442}
+
+/[[:^graph:]]/8g
+ \x19\x{e01ff}
+ 0: \x{19}
+ 0: \x{e01ff}
+
+/[[:^lower:]]/8g
+ A\x{422}
+ 0: A
+ 0: \x{422}
+
+/[[:^print:]]/8g
+ \x{19}\x{e01ff}
+ 0: \x{19}
+ 0: \x{e01ff}
+
+/[[:^punct:]]/8g
+ A\x{442}
+ 0: A
+ 0: \x{442}
+
+/[[:^space:]]/8g
+ A\x{442}
+ 0: A
+ 0: \x{442}
+
+/[[:^upper:]]/8g
+ a\x{442}
+ 0: a
+ 0: \x{442}
+
+/[[:^word:]]/8g
+ +\x{2442}
+ 0: +
+ 0: \x{2442}
+
+/[[:^xdigit:]]/8g
+ M\x{442}
+ 0: M
+ 0: \x{442}
+
+/[^ABCDEFGHIJKLMNOPQRSTUVWXYZÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞĀĂĄĆĈĊČĎĐĒĔĖĘĚĜĞĠĢĤĦĨĪĬĮİIJĴĶĹĻĽĿŁŃŅŇŊŌŎŐŒŔŖŘŚŜŞŠŢŤŦŨŪŬŮŰŲŴŶŸŹŻŽƁƂƄƆƇƉƊƋƎƏƐƑƓƔƖƗƘƜƝƟƠƢƤƦƧƩƬƮƯƱƲƳƵƷƸƼDŽLJNJǍǏǑǓǕǗǙǛǞǠǢǤǦǨǪǬǮDZǴǶǷǸǺǼǾȀȂȄȆȈȊȌȎȐȒȔȖȘȚȜȞȠȢȤȦȨȪȬȮȰȲȺȻȽȾɁΆΈΉΊΌΎΏΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩΪΫϒϓϔϘϚϜϞϠϢϤϦϨϪϬϮϴϷϹϺϽϾϿЀЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯѠѢѤѦѨѪѬѮѰѲѴѶѸѺѼѾҀҊҌҎҐҒҔҖҘҚҜҞҠҢҤҦҨҪҬҮҰҲҴҶҸҺҼҾӀӁӃӅӇӉӋӍӐӒӔӖӘӚӜӞӠӢӤӦӨӪӬӮӰӲӴӶӸԀԂԄԆԈԊԌԎԱԲԳԴԵԶԷԸԹԺԻԼԽԾԿՀՁՂՃՄՅՆՇՈՉՊՋՌՍՎՏՐՑՒՓՔՕՖႠႡႢႣႤႥႦႧႨႩႪႫႬႭႮႯႰႱႲႳႴႵႶႷႸႹႺႻႼႽႾႿჀჁჂჃჄჅḀḂḄḆḈḊḌḎḐḒḔḖḘḚḜḞḠḢḤḦḨḪḬḮḰḲḴḶḸḺḼḾṀṂṄṆṈṊṌṎṐṒṔṖṘṚṜṞṠṢṤṦṨṪṬṮṰṲṴṶṸṺṼṾẀẂẄẆẈẊẌẎẐẒẔẠẢẤẦẨẪẬẮẰẲẴẶẸẺẼẾỀỂỄỆỈỊỌỎỐỒỔỖỘỚỜỞỠỢỤỦỨỪỬỮỰỲỴỶỸἈἉἊἋἌἍἎἏἘἙἚἛἜἝἨἩἪἫἬἭἮἯἸἹἺἻἼἽἾἿὈὉὊὋὌὍὙὛὝὟὨὩὪὫὬὭὮὯᾸᾹᾺΆῈΈῊΉῘῙῚΊῨῩῪΎῬῸΌῺΏabcdefghijklmnopqrstuvwxyzªµºßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿāăąćĉċčďđēĕėęěĝğġģĥħĩīĭįıijĵķĸĺļľŀłńņňʼnŋōŏőœŕŗřśŝşšţťŧũūŭůűųŵŷźżžſƀƃƅƈƌƍƒƕƙƚƛƞơƣƥƨƪƫƭưƴƶƹƺƽƾƿdžljnjǎǐǒǔǖǘǚǜǝǟǡǣǥǧǩǫǭǯǰdzǵǹǻǽǿȁȃȅȇȉȋȍȏȑȓȕȗșțȝȟȡȣȥȧȩȫȭȯȱȳȴȵȶȷȸȹȼȿɀɐɑɒɓɔɕɖɗɘəɚɛɜɝɞɟɠɡɢɣɤɥɦɧɨɩɪɫɬɭɮɯɰɱɲɳɴɵɶɷɸɹɺɻɼɽɾɿʀʁʂʃʄʅʆʇʈʉʊʋʌʍʎʏʐʑʒʓʔʕʖʗʘʙʚʛʜʝʞʟʠʡʢʣʤʥʦʧʨʩʪʫʬʭʮʯΐάέήίΰαβγδεζηθικλμνξοπρςστυφχψωϊϋόύώϐϑϕϖϗϙϛϝϟϡϣϥϧϩϫϭϯϰϱϲϳϵϸϻϼабвгдежзийклмнопрстуфхцчшщъыьэюяѐёђѓєѕіїјљњћќѝўџѡѣѥѧѩѫѭѯѱѳѵѷѹѻѽѿҁҋҍҏґғҕҗҙқҝҟҡңҥҧҩҫҭүұҳҵҷҹһҽҿӂӄӆӈӊӌӎӑӓӕӗәӛӝӟӡӣӥӧөӫӭӯӱӳӵӷӹԁԃԅԇԉԋԍԏաբգդեզէըթժիլխծկհձղճմյնշոչպջռսվտրցւփքօֆևᴀᴁᴂᴃᴄᴅᴆᴇᴈᴉᴊᴋᴌᴍᴎᴏᴐᴑᴒᴓᴔᴕᴖᴗᴘᴙᴚᴛᴜᴝᴞᴟᴠᴡᴢᴣᴤᴥᴦᴧᴨᴩᴪᴫᵢᵣᵤᵥᵦᵧᵨᵩᵪᵫᵬᵭᵮᵯᵰᵱᵲᵳᵴᵵᵶᵷᵹᵺᵻᵼᵽᵾᵿᶀᶁᶂᶃᶄᶅᶆᶇᶈᶉᶊᶋᶌᶍᶎᶏᶐᶑᶒᶓᶔᶕᶖᶗᶘᶙᶚḁḃḅḇḉḋḍḏḑḓḕḗḙḛḝḟḡḣḥḧḩḫḭḯḱḳḵḷḹḻḽḿṁṃṅṇṉṋṍṏṑṓṕṗṙṛṝṟṡṣṥṧṩṫṭṯṱṳṵṷṹṻṽṿẁẃẅẇẉẋẍẏẑẓẕẖẗẘẙẚẛạảấầẩẫậắằẳẵặẹẻẽếềểễệỉịọỏốồổỗộớờởỡợụủứừửữựỳỵỷỹἀἁἂἃἄἅἆἇἐἑἒἓἔἕἠἡἢἣἤἥἦἧἰἱἲἳἴἵἶἷὀὁὂὃὄὅὐὑὒὓὔὕὖὗὠὡὢὣὤὥὦὧὰάὲέὴήὶίὸόὺύὼώᾀᾁᾂᾃᾄᾅᾆᾇᾐᾑᾒᾓᾔᾕᾖᾗᾠᾡᾢᾣᾤᾥᾦᾧᾰᾱᾲᾳᾴᾶᾷιῂῃῄῆῇῐῑῒΐῖῗῠῡῢΰῤῥῦῧῲῳῴῶῷⲁⲃⲅⲇⲉⲋⲍⲏⲑⲓⲕⲗⲙⲛⲝⲟⲡⲣⲥⲧⲩⲫⲭⲯⲱⲳⲵⲷⲹⲻⲽⲿⳁⳃⳅⳇⳉⳋⳍⳏⳑⳓⳕⳗⳙⳛⳝⳟⳡⳣⳤⴀⴁⴂⴃⴄⴅⴆⴇⴈⴉⴊⴋⴌⴍⴎⴏⴐⴑⴒⴓⴔⴕⴖⴗⴘⴙⴚⴛⴜⴝⴞⴟⴠⴡⴢⴣⴤⴥfffiflffifflſtstﬓﬔﬕﬖﬗ\d-_^]/8
+
+/ End of testinput4 /
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput5 b/lib/stdlib/test/re_SUITE_data/testoutput5
new file mode 100644
index 0000000000..abbe1c87de
--- /dev/null
+++ b/lib/stdlib/test/re_SUITE_data/testoutput5
@@ -0,0 +1,1611 @@
+/\x{100}/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 196
+Need char = 128
+
+/\x{1000}/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{1000}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 225
+Need char = 128
+
+/\x{10000}/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{10000}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 240
+Need char = 128
+
+/\x{100000}/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100000}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 244
+Need char = 128
+
+/\x{1000000}/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{1000000}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 249
+Need char = 128
+
+/\x{4000000}/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{4000000}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 252
+Need char = 128
+
+/\x{7fffFFFF}/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{7fffffff}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 253
+Need char = 191
+
+/[\x{ff}]/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{ff}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 195
+Need char = 191
+
+/[\x{100}]/8DZ
+------------------------------------------------------------------
+ Bra
+ [\x{100}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+No first char
+No need char
+
+/\x{ffffffff}/8
+Failed: character value in \x{...} sequence is too large at offset 11
+
+/\x{100000000}/8
+Failed: character value in \x{...} sequence is too large at offset 12
+
+/^\x{100}a\x{1234}/8
+ \x{100}a\x{1234}bcd
+ 0: \x{100}a\x{1234}
+
+/\x80/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{80}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 194
+Need char = 128
+
+/\xff/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{ff}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 195
+Need char = 191
+
+/\x{0041}\x{2262}\x{0391}\x{002e}/DZ8
+------------------------------------------------------------------
+ Bra
+ A\x{2262}\x{391}.
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 'A'
+Need char = '.'
+ \x{0041}\x{2262}\x{0391}\x{002e}
+ 0: A\x{2262}\x{391}.
+
+/\x{D55c}\x{ad6d}\x{C5B4}/DZ8
+------------------------------------------------------------------
+ Bra
+ \x{d55c}\x{ad6d}\x{c5b4}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 237
+Need char = 180
+ \x{D55c}\x{ad6d}\x{C5B4}
+ 0: \x{d55c}\x{ad6d}\x{c5b4}
+
+/\x{65e5}\x{672c}\x{8a9e}/DZ8
+------------------------------------------------------------------
+ Bra
+ \x{65e5}\x{672c}\x{8a9e}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 230
+Need char = 158
+ \x{65e5}\x{672c}\x{8a9e}
+ 0: \x{65e5}\x{672c}\x{8a9e}
+
+/\x{80}/DZ8
+------------------------------------------------------------------
+ Bra
+ \x{80}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 194
+Need char = 128
+
+/\x{084}/DZ8
+------------------------------------------------------------------
+ Bra
+ \x{84}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 194
+Need char = 132
+
+/\x{104}/DZ8
+------------------------------------------------------------------
+ Bra
+ \x{104}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 196
+Need char = 132
+
+/\x{861}/DZ8
+------------------------------------------------------------------
+ Bra
+ \x{861}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 224
+Need char = 161
+
+/\x{212ab}/DZ8
+------------------------------------------------------------------
+ Bra
+ \x{212ab}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 240
+Need char = 171
+
+/.{3,5}X/DZ8
+------------------------------------------------------------------
+ Bra
+ Any{3}
+ Any{0,2}
+ X
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+No first char
+Need char = 'X'
+ \x{212ab}\x{212ab}\x{212ab}\x{861}X
+ 0: \x{212ab}\x{212ab}\x{212ab}\x{861}X
+
+
+/.{3,5}?/DZ8
+------------------------------------------------------------------
+ Bra
+ Any{3}
+ Any{0,2}?
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+ \x{212ab}\x{212ab}\x{212ab}\x{861}
+ 0: \x{212ab}\x{212ab}\x{212ab}
+
+/-- These tests are here rather than in testinput4 because Perl 5.6 has some
+problems with UTF-8 support, in the area of \x{..} where the value is < 255.
+It grumbles about invalid UTF-8 strings. --/
+
+/^[a\x{c0}]b/8
+ \x{c0}b
+ 0: \x{c0}b
+
+/^([a\x{c0}]*?)aa/8
+ a\x{c0}aaaa/
+ 0: a\x{c0}aa
+ 1: a\x{c0}
+
+/^([a\x{c0}]*?)aa/8
+ a\x{c0}aaaa/
+ 0: a\x{c0}aa
+ 1: a\x{c0}
+ a\x{c0}a\x{c0}aaa/
+ 0: a\x{c0}a\x{c0}aa
+ 1: a\x{c0}a\x{c0}
+
+/^([a\x{c0}]*)aa/8
+ a\x{c0}aaaa/
+ 0: a\x{c0}aaaa
+ 1: a\x{c0}aa
+ a\x{c0}a\x{c0}aaa/
+ 0: a\x{c0}a\x{c0}aaa
+ 1: a\x{c0}a\x{c0}a
+
+/^([a\x{c0}]*)a\x{c0}/8
+ a\x{c0}aaaa/
+ 0: a\x{c0}
+ 1:
+ a\x{c0}a\x{c0}aaa/
+ 0: a\x{c0}a\x{c0}
+ 1: a\x{c0}
+
+/-- --/
+
+/(?<=\C)X/8
+Failed: \C not allowed in lookbehind assertion at offset 6
+
+/-- This one is here not because it's different to Perl, but because the way
+the captured single-byte is displayed. (In Perl it becomes a character, and you
+can't tell the difference.) --/
+
+/X(\C)(.*)/8
+ X\x{1234}
+ 0: X\x{1234}
+ 1: \xe1
+ 2: \x88\xb4
+ X\nabc
+ 0: X\x{0a}abc
+ 1: \x{0a}
+ 2: abc
+
+/^[ab]/8DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [ab]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored utf8
+No first char
+No need char
+ bar
+ 0: b
+ *** Failers
+No match
+ c
+No match
+ \x{ff}
+No match
+ \x{100}
+No match
+
+/^[^ab]/8DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ [\x00-`c-\xff] (neg)
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored utf8
+No first char
+No need char
+ c
+ 0: c
+ \x{ff}
+ 0: \x{ff}
+ \x{100}
+ 0: \x{100}
+ *** Failers
+ 0: *
+ aaa
+No match
+
+/[^ab\xC0-\xF0]/8SDZ
+------------------------------------------------------------------
+ Bra
+ [\x00-`c-\xbf\xf1-\xff] (neg)
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+No first char
+No need char
+Starting byte set: \x00 \x01 \x02 \x03 \x04 \x05 \x06 \x07 \x08 \x09 \x0a
+ \x0b \x0c \x0d \x0e \x0f \x10 \x11 \x12 \x13 \x14 \x15 \x16 \x17 \x18 \x19
+ \x1a \x1b \x1c \x1d \x1e \x1f \x20 ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4
+ 5 6 7 8 9 : ; < = > ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y
+ Z [ \ ] ^ _ ` c d e f g h i j k l m n o p q r s t u v w x y z { | } ~ \x7f
+ \xc2 \xc3 \xc4 \xc5 \xc6 \xc7 \xc8 \xc9 \xca \xcb \xcc \xcd \xce \xcf \xd0
+ \xd1 \xd2 \xd3 \xd4 \xd5 \xd6 \xd7 \xd8 \xd9 \xda \xdb \xdc \xdd \xde \xdf
+ \xe0 \xe1 \xe2 \xe3 \xe4 \xe5 \xe6 \xe7 \xe8 \xe9 \xea \xeb \xec \xed \xee
+ \xef \xf0 \xf1 \xf2 \xf3 \xf4 \xf5 \xf6 \xf7 \xf8 \xf9 \xfa \xfb \xfc \xfd
+ \xfe \xff
+ \x{f1}
+ 0: \x{f1}
+ \x{bf}
+ 0: \x{bf}
+ \x{100}
+ 0: \x{100}
+ \x{1000}
+ 0: \x{1000}
+ *** Failers
+ 0: *
+ \x{c0}
+No match
+ \x{f0}
+No match
+
+/Ā{3,4}/8SDZ
+------------------------------------------------------------------
+ Bra
+ \x{100}{3}
+ \x{100}?
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+First char = 196
+Need char = 128
+Study returned NULL
+ \x{100}\x{100}\x{100}\x{100\x{100}
+ 0: \x{100}\x{100}\x{100}
+
+/(\x{100}+|x)/8SDZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ \x{100}+
+ Alt
+ x
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+Starting byte set: x \xc4
+
+/(\x{100}*a|x)/8SDZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ \x{100}*+
+ a
+ Alt
+ x
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+Starting byte set: a x \xc4
+
+/(\x{100}{0,2}a|x)/8SDZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ \x{100}{0,2}
+ a
+ Alt
+ x
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+Starting byte set: a x \xc4
+
+/(\x{100}{1,2}a|x)/8SDZ
+------------------------------------------------------------------
+ Bra
+ CBra 1
+ \x{100}
+ \x{100}{0,1}
+ a
+ Alt
+ x
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+Starting byte set: x \xc4
+
+/\x{100}*(\d+|"(?1)")/8
+ 1234
+ 0: 1234
+ 1: 1234
+ "1234"
+ 0: "1234"
+ 1: "1234"
+ \x{100}1234
+ 0: \x{100}1234
+ 1: 1234
+ "\x{100}1234"
+ 0: \x{100}1234
+ 1: 1234
+ \x{100}\x{100}12ab
+ 0: \x{100}\x{100}12
+ 1: 12
+ \x{100}\x{100}"12"
+ 0: \x{100}\x{100}"12"
+ 1: "12"
+ *** Failers
+No match
+ \x{100}\x{100}abcd
+No match
+
+/\x{100}/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 196
+Need char = 128
+
+/\x{100}*/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}*
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+
+/a\x{100}*/8DZ
+------------------------------------------------------------------
+ Bra
+ a
+ \x{100}*
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+First char = 'a'
+No need char
+
+/ab\x{100}*/8DZ
+------------------------------------------------------------------
+ Bra
+ ab
+ \x{100}*
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+First char = 'a'
+Need char = 'b'
+
+/a\x{100}\x{101}*/8DZ
+------------------------------------------------------------------
+ Bra
+ a\x{100}
+ \x{101}*
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+First char = 'a'
+Need char = 128
+
+/a\x{100}\x{101}+/8DZ
+------------------------------------------------------------------
+ Bra
+ a\x{100}
+ \x{101}+
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+First char = 'a'
+Need char = 129
+
+/\x{100}*A/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}*+
+ A
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+No first char
+Need char = 'A'
+ A
+ 0: A
+
+/\x{100}*\d(?R)/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}*+
+ \d
+ Once
+ Recurse
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+
+/[^\x{c4}]/DZ
+------------------------------------------------------------------
+ Bra
+ [^\xc4]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/[^\x{c4}]/8DZ
+------------------------------------------------------------------
+ Bra
+ [\x00-\xc3\xc5-\xff] (neg)
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+No first char
+No need char
+
+/[\x{100}]/8DZ
+------------------------------------------------------------------
+ Bra
+ [\x{100}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+No first char
+No need char
+ \x{100}
+ 0: \x{100}
+ Z\x{100}
+ 0: \x{100}
+ \x{100}Z
+ 0: \x{100}
+ *** Failers
+No match
+
+/[Z\x{100}]/8DZ
+------------------------------------------------------------------
+ Bra
+ [Z\x{100}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+No first char
+No need char
+ Z\x{100}
+ 0: Z
+ \x{100}
+ 0: \x{100}
+ \x{100}Z
+ 0: \x{100}
+ *** Failers
+No match
+
+/[\x{200}-\x{100}]/8
+Failed: range out of order in character class at offset 15
+
+/[Ā-Ą]/8
+ \x{100}
+ 0: \x{100}
+ \x{104}
+ 0: \x{104}
+ *** Failers
+No match
+ \x{105}
+No match
+ \x{ff}
+No match
+
+/[z-\x{100}]/8DZ
+------------------------------------------------------------------
+ Bra
+ [z-\x{100}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+No first char
+No need char
+
+/[z\Qa-d]Ā\E]/8DZ
+------------------------------------------------------------------
+ Bra
+ [\-\]adz\x{100}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+No first char
+No need char
+ \x{100}
+ 0: \x{100}
+ Ā
+ 0: \x{100}
+
+/[\xFF]/DZ
+------------------------------------------------------------------
+ Bra
+ \xff
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+First char = 255
+No need char
+ >\xff<
+ 0: \xff
+
+/[\xff]/DZ8
+------------------------------------------------------------------
+ Bra
+ \x{ff}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 195
+Need char = 191
+ >\x{ff}<
+ 0: \x{ff}
+
+/[^\xFF]/DZ
+------------------------------------------------------------------
+ Bra
+ [^\xff]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/[^\xff]/8DZ
+------------------------------------------------------------------
+ Bra
+ [\x00-\xfe] (neg)
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+No first char
+No need char
+
+/[Ä-Ü]/8
+ Ö # Matches without Study
+ 0: \x{d6}
+ \x{d6}
+ 0: \x{d6}
+
+/[Ä-Ü]/8S
+ Ö <-- Same with Study
+ 0: \x{d6}
+ \x{d6}
+ 0: \x{d6}
+
+/[\x{c4}-\x{dc}]/8
+ Ö # Matches without Study
+ 0: \x{d6}
+ \x{d6}
+ 0: \x{d6}
+
+/[\x{c4}-\x{dc}]/8S
+ Ö <-- Same with Study
+ 0: \x{d6}
+ \x{d6}
+ 0: \x{d6}
+
+/[�]/8
+Failed: invalid UTF-8 string at offset 2
+
+/�/8
+Failed: invalid UTF-8 string at offset 0
+
+/���xxx/8
+Failed: invalid UTF-8 string at offset 1
+
+/���xxx/8?DZ
+------------------------------------------------------------------
+ Bra
+ \X{c0}\X{c0}\X{c0}xxx
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8 no_utf8_check
+First char = 195
+Need char = 'x'
+
+/abc/8
+ �]
+Error -10
+ �
+Error -10
+ ���
+Error -10
+ ���\?
+No match
+
+/anything/8
+ \xc0\x80
+Error -10
+ \xc1\x8f
+Error -10
+ \xe0\x9f\x80
+Error -10
+ \xf0\x8f\x80\x80
+Error -10
+ \xf8\x87\x80\x80\x80
+Error -10
+ \xfc\x83\x80\x80\x80\x80
+Error -10
+ \xfe\x80\x80\x80\x80\x80
+Error -10
+ \xff\x80\x80\x80\x80\x80
+Error -10
+ \xc3\x8f
+No match
+ \xe0\xaf\x80
+No match
+ \xe1\x80\x80
+No match
+ \xf0\x9f\x80\x80
+No match
+ \xf1\x8f\x80\x80
+No match
+ \xf8\x88\x80\x80\x80
+Error -10
+ \xf9\x87\x80\x80\x80
+Error -10
+ \xfc\x84\x80\x80\x80\x80
+Error -10
+ \xfd\x83\x80\x80\x80\x80
+Error -10
+ \?\xf8\x88\x80\x80\x80
+No match
+ \?\xf9\x87\x80\x80\x80
+No match
+ \?\xfc\x84\x80\x80\x80\x80
+No match
+ \?\xfd\x83\x80\x80\x80\x80
+No match
+
+/\x{100}abc(xyz(?1))/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}abc
+ CBra 1
+ xyz
+ Once
+ Recurse
+ Ket
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Options: utf8
+First char = 196
+Need char = 'z'
+
+/[^\x{100}]abc(xyz(?1))/8DZ
+------------------------------------------------------------------
+ Bra
+ [^\x{100}]
+ abc
+ CBra 1
+ xyz
+ Once
+ Recurse
+ Ket
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Options: utf8
+No first char
+Need char = 'z'
+
+/[ab\x{100}]abc(xyz(?1))/8DZ
+------------------------------------------------------------------
+ Bra
+ [ab\x{100}]
+ abc
+ CBra 1
+ xyz
+ Once
+ Recurse
+ Ket
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Options: utf8
+No first char
+Need char = 'z'
+
+/(\x{100}(b(?2)c))?/DZ8
+------------------------------------------------------------------
+ Bra
+ Brazero
+ CBra 1
+ \x{100}
+ CBra 2
+ b
+ Once
+ Recurse
+ Ket
+ c
+ Ket
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 2
+Options: utf8
+No first char
+No need char
+
+/(\x{100}(b(?2)c)){0,2}/DZ8
+------------------------------------------------------------------
+ Bra
+ Brazero
+ Bra
+ CBra 1
+ \x{100}
+ CBra 2
+ b
+ Once
+ Recurse
+ Ket
+ c
+ Ket
+ Ket
+ Brazero
+ CBra 1
+ \x{100}
+ CBra 2
+ b
+ Once
+ Recurse
+ Ket
+ c
+ Ket
+ Ket
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 2
+Options: utf8
+No first char
+No need char
+
+/(\x{100}(b(?1)c))?/DZ8
+------------------------------------------------------------------
+ Bra
+ Brazero
+ CBra 1
+ \x{100}
+ CBra 2
+ b
+ Once
+ Recurse
+ Ket
+ c
+ Ket
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 2
+Options: utf8
+No first char
+No need char
+
+/(\x{100}(b(?1)c)){0,2}/DZ8
+------------------------------------------------------------------
+ Bra
+ Brazero
+ Bra
+ CBra 1
+ \x{100}
+ CBra 2
+ b
+ Once
+ Recurse
+ Ket
+ c
+ Ket
+ Ket
+ Brazero
+ CBra 1
+ \x{100}
+ CBra 2
+ b
+ Once
+ Recurse
+ Ket
+ c
+ Ket
+ Ket
+ Ket
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 2
+Options: utf8
+No first char
+No need char
+
+/\W/8
+ A.B
+ 0: .
+ A\x{100}B
+ 0: \x{100}
+
+/\w/8
+ \x{100}X
+ 0: X
+
+/a\x{1234}b/P8
+ a\x{1234}b
+ 0: a\x{1234}b
+
+/^\ሴ/8DZ
+------------------------------------------------------------------
+ Bra
+ ^
+ \x{1234}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: anchored utf8
+No first char
+No need char
+
+/\777/I
+Failed: octal value is greater than \377 (not in UTF-8 mode) at offset 3
+
+/\777/8I
+Capturing subpattern count = 0
+Options: utf8
+First char = 199
+Need char = 191
+ \x{1ff}
+ 0: \x{1ff}
+ \777
+ 0: \x{1ff}
+
+/\x{100}*\d/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}*+
+ \d
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+
+/\x{100}*\s/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}*+
+ \s
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+
+/\x{100}*\w/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}*+
+ \w
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+
+/\x{100}*\D/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}*
+ \D
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+
+/\x{100}*\S/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}*
+ \S
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+
+/\x{100}*\W/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}*
+ \W
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+
+/\x{100}+\x{200}/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}++
+ \x{200}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+First char = 196
+Need char = 128
+
+/\x{100}+X/8DZ
+------------------------------------------------------------------
+ Bra
+ \x{100}++
+ X
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+First char = 196
+Need char = 'X'
+
+/X+\x{200}/8DZ
+------------------------------------------------------------------
+ Bra
+ X++
+ \x{200}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+First char = 'X'
+Need char = 128
+
+/()()()()()()()()()()
+ ()()()()()()()()()()
+ ()()()()()()()()()()
+ ()()()()()()()()()()
+ A (x) (?41) B/8x
+ AxxB
+Matched, but too many substrings
+ 0: AxxB
+ 1:
+ 2:
+ 3:
+ 4:
+ 5:
+ 6:
+ 7:
+ 8:
+ 9:
+10:
+11:
+12:
+13:
+14:
+
+/^[\x{100}\E-\Q\E\x{150}]/BZ8
+------------------------------------------------------------------
+ Bra
+ ^
+ [\x{100}-\x{150}]
+ Ket
+ End
+------------------------------------------------------------------
+
+/^[\QĀ\E-\QŐ\E]/BZ8
+------------------------------------------------------------------
+ Bra
+ ^
+ [\x{100}-\x{150}]
+ Ket
+ End
+------------------------------------------------------------------
+
+/^[\QĀ\E-\QŐ\E/BZ8
+Failed: missing terminating ] for character class at offset 15
+
+/^abc./mgx8<any>
+ abc1 \x0aabc2 \x0babc3xx \x0cabc4 \x0dabc5xx \x0d\x0aabc6 \x{0085}abc7 \x{2028}abc8 \x{2029}abc9 JUNK
+ 0: abc1
+ 0: abc2
+ 0: abc3
+ 0: abc4
+ 0: abc5
+ 0: abc6
+ 0: abc7
+ 0: abc8
+ 0: abc9
+
+/abc.$/mgx8<any>
+ abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x{0085} abc7\x{2028} abc8\x{2029} abc9
+ 0: abc1
+ 0: abc2
+ 0: abc3
+ 0: abc4
+ 0: abc5
+ 0: abc6
+ 0: abc7
+ 0: abc8
+ 0: abc9
+
+/^a\Rb/8<bsr_unicode>
+ a\nb
+ 0: a\x{0a}b
+ a\rb
+ 0: a\x{0d}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ a\x0bb
+ 0: a\x{0b}b
+ a\x0cb
+ 0: a\x{0c}b
+ a\x{85}b
+ 0: a\x{85}b
+ a\x{2028}b
+ 0: a\x{2028}b
+ a\x{2029}b
+ 0: a\x{2029}b
+ ** Failers
+No match
+ a\n\rb
+No match
+
+/^a\R*b/8<bsr_unicode>
+ ab
+ 0: ab
+ a\nb
+ 0: a\x{0a}b
+ a\rb
+ 0: a\x{0d}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ a\x0bb
+ 0: a\x{0b}b
+ a\x0c\x{2028}\x{2029}b
+ 0: a\x{0c}\x{2028}\x{2029}b
+ a\x{85}b
+ 0: a\x{85}b
+ a\n\rb
+ 0: a\x{0a}\x{0d}b
+ a\n\r\x{85}\x0cb
+ 0: a\x{0a}\x{0d}\x{85}\x{0c}b
+
+/^a\R+b/8<bsr_unicode>
+ a\nb
+ 0: a\x{0a}b
+ a\rb
+ 0: a\x{0d}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ a\x0bb
+ 0: a\x{0b}b
+ a\x0c\x{2028}\x{2029}b
+ 0: a\x{0c}\x{2028}\x{2029}b
+ a\x{85}b
+ 0: a\x{85}b
+ a\n\rb
+ 0: a\x{0a}\x{0d}b
+ a\n\r\x{85}\x0cb
+ 0: a\x{0a}\x{0d}\x{85}\x{0c}b
+ ** Failers
+No match
+ ab
+No match
+
+/^a\R{1,3}b/8<bsr_unicode>
+ a\nb
+ 0: a\x{0a}b
+ a\n\rb
+ 0: a\x{0a}\x{0d}b
+ a\n\r\x{85}b
+ 0: a\x{0a}\x{0d}\x{85}b
+ a\r\n\r\nb
+ 0: a\x{0d}\x{0a}\x{0d}\x{0a}b
+ a\r\n\r\n\r\nb
+ 0: a\x{0d}\x{0a}\x{0d}\x{0a}\x{0d}\x{0a}b
+ a\n\r\n\rb
+ 0: a\x{0a}\x{0d}\x{0a}\x{0d}b
+ a\n\n\r\nb
+ 0: a\x{0a}\x{0a}\x{0d}\x{0a}b
+ ** Failers
+No match
+ a\n\n\n\rb
+No match
+ a\r
+No match
+
+/\H\h\V\v/8
+ X X\x0a
+ 0: X X\x{0a}
+ X\x09X\x0b
+ 0: X\x{09}X\x{0b}
+ ** Failers
+No match
+ \x{a0} X\x0a
+No match
+
+/\H*\h+\V?\v{3,4}/8
+ \x09\x20\x{a0}X\x0a\x0b\x0c\x0d\x0a
+ 0: \x{09} \x{a0}X\x{0a}\x{0b}\x{0c}\x{0d}
+ \x09\x20\x{a0}\x0a\x0b\x0c\x0d\x0a
+ 0: \x{09} \x{a0}\x{0a}\x{0b}\x{0c}\x{0d}
+ \x09\x20\x{a0}\x0a\x0b\x0c
+ 0: \x{09} \x{a0}\x{0a}\x{0b}\x{0c}
+ ** Failers
+No match
+ \x09\x20\x{a0}\x0a\x0b
+No match
+
+/\H\h\V\v/8
+ \x{3001}\x{3000}\x{2030}\x{2028}
+ 0: \x{3001}\x{3000}\x{2030}\x{2028}
+ X\x{180e}X\x{85}
+ 0: X\x{180e}X\x{85}
+ ** Failers
+No match
+ \x{2009} X\x0a
+No match
+
+/\H*\h+\V?\v{3,4}/8
+ \x{1680}\x{180e}\x{2007}X\x{2028}\x{2029}\x0c\x0d\x0a
+ 0: \x{1680}\x{180e}\x{2007}X\x{2028}\x{2029}\x{0c}\x{0d}
+ \x09\x{205f}\x{a0}\x0a\x{2029}\x0c\x{2028}\x0a
+ 0: \x{09}\x{205f}\x{a0}\x{0a}\x{2029}\x{0c}\x{2028}
+ \x09\x20\x{202f}\x0a\x0b\x0c
+ 0: \x{09} \x{202f}\x{0a}\x{0b}\x{0c}
+ ** Failers
+No match
+ \x09\x{200a}\x{a0}\x{2028}\x0b
+No match
+
+/[\h]/8BZ
+------------------------------------------------------------------
+ Bra
+ [\x09 \xa0\x{1680}\x{180e}\x{2000}-\x{200a}\x{202f}\x{205f}\x{3000}]
+ Ket
+ End
+------------------------------------------------------------------
+ >\x{1680}
+ 0: \x{1680}
+
+/[\h]{3,}/8BZ
+------------------------------------------------------------------
+ Bra
+ [\x09 \xa0\x{1680}\x{180e}\x{2000}-\x{200a}\x{202f}\x{205f}\x{3000}]{3,}
+ Ket
+ End
+------------------------------------------------------------------
+ >\x{1680}\x{180e}\x{2000}\x{2003}\x{200a}\x{202f}\x{205f}\x{3000}<
+ 0: \x{1680}\x{180e}\x{2000}\x{2003}\x{200a}\x{202f}\x{205f}\x{3000}
+
+/[\v]/8BZ
+------------------------------------------------------------------
+ Bra
+ [\x0a-\x0d\x85\x{2028}-\x{2029}]
+ Ket
+ End
+------------------------------------------------------------------
+
+/[\H]/8BZ
+------------------------------------------------------------------
+ Bra
+ [\x00-\x08\x0a-\x1f!-\x9f\xa1-\xff\x{100}-\x{167f}\x{1681}-\x{180d}\x{180f}-\x{1fff}\x{200b}-\x{202e}\x{2030}-\x{205e}\x{2060}-\x{2fff}\x{3001}-\x{7fffffff}]
+ Ket
+ End
+------------------------------------------------------------------
+
+/[\V]/8BZ
+------------------------------------------------------------------
+ Bra
+ [\x00-\x09\x0e-\x84\x86-\xff\x{100}-\x{2027}\x{2029}-\x{7fffffff}]
+ Ket
+ End
+------------------------------------------------------------------
+
+/.*$/8<any>
+ \x{1ec5}
+ 0: \x{1ec5}
+
+/-- This tests the stricter UTF-8 check according to RFC 3629. --/
+
+/X/8
+ \x{0}\x{d7ff}\x{e000}\x{10ffff}
+No match
+ \x{d800}
+Error -10
+ \x{d800}\?
+No match
+ \x{da00}
+Error -10
+ \x{da00}\?
+No match
+ \x{dfff}
+Error -10
+ \x{dfff}\?
+No match
+ \x{110000}
+Error -10
+ \x{110000}\?
+No match
+ \x{2000000}
+Error -10
+ \x{2000000}\?
+No match
+ \x{7fffffff}
+Error -10
+ \x{7fffffff}\?
+No match
+
+/a\Rb/I8<bsr_anycrlf>
+Capturing subpattern count = 0
+Options: bsr_anycrlf utf8
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x{0d}b
+ a\nb
+ 0: a\x{0a}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ ** Failers
+No match
+ a\x{85}b
+No match
+ a\x0bb
+No match
+
+/a\Rb/I8<bsr_unicode>
+Capturing subpattern count = 0
+Options: bsr_unicode utf8
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x{0d}b
+ a\nb
+ 0: a\x{0a}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ a\x{85}b
+ 0: a\x{85}b
+ a\x0bb
+ 0: a\x{0b}b
+ ** Failers
+No match
+ a\x{85}b\<bsr_anycrlf>
+No match
+ a\x0bb\<bsr_anycrlf>
+No match
+
+/a\R?b/I8<bsr_anycrlf>
+Capturing subpattern count = 0
+Options: bsr_anycrlf utf8
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x{0d}b
+ a\nb
+ 0: a\x{0a}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ ** Failers
+No match
+ a\x{85}b
+No match
+ a\x0bb
+No match
+
+/a\R?b/I8<bsr_unicode>
+Capturing subpattern count = 0
+Options: bsr_unicode utf8
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x{0d}b
+ a\nb
+ 0: a\x{0a}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ a\x{85}b
+ 0: a\x{85}b
+ a\x0bb
+ 0: a\x{0b}b
+ ** Failers
+No match
+ a\x{85}b\<bsr_anycrlf>
+No match
+ a\x0bb\<bsr_anycrlf>
+No match
+
+/.*a.*=.b.*/8<ANY>
+ QQQ\x{2029}ABCaXYZ=!bPQR
+ 0: ABCaXYZ=!bPQR
+ ** Failers
+No match
+ a\x{2029}b
+No match
+ \x61\xe2\x80\xa9\x62
+No match
+
+/[[:a\x{100}b:]]/8
+Failed: unknown POSIX class name at offset 3
+
+/ End of testinput5 /
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput6 b/lib/stdlib/test/re_SUITE_data/testoutput6
new file mode 100644
index 0000000000..db825b08c1
--- /dev/null
+++ b/lib/stdlib/test/re_SUITE_data/testoutput6
@@ -0,0 +1,1682 @@
+/^\pC\pL\pM\pN\pP\pS\pZ</8
+ \x7f\x{c0}\x{30f}\x{660}\x{66c}\x{f01}\x{1680}<
+ 0: \x{7f}\x{c0}\x{30f}\x{660}\x{66c}\x{f01}\x{1680}<
+ \np\x{300}9!\$ <
+ 0: \x{0a}p\x{300}9!$ <
+ ** Failers
+No match
+ ap\x{300}9!\$ <
+No match
+
+/^\PC/8
+ X
+ 0: X
+ ** Failers
+ 0: *
+ \x7f
+No match
+
+/^\PL/8
+ 9
+ 0: 9
+ ** Failers
+ 0: *
+ \x{c0}
+No match
+
+/^\PM/8
+ X
+ 0: X
+ ** Failers
+ 0: *
+ \x{30f}
+No match
+
+/^\PN/8
+ X
+ 0: X
+ ** Failers
+ 0: *
+ \x{660}
+No match
+
+/^\PP/8
+ X
+ 0: X
+ ** Failers
+No match
+ \x{66c}
+No match
+
+/^\PS/8
+ X
+ 0: X
+ ** Failers
+ 0: *
+ \x{f01}
+No match
+
+/^\PZ/8
+ X
+ 0: X
+ ** Failers
+ 0: *
+ \x{1680}
+No match
+
+/^\p{Cc}/8
+ \x{017}
+ 0: \x{17}
+ \x{09f}
+ 0: \x{9f}
+ ** Failers
+No match
+ \x{0600}
+No match
+
+/^\p{Cf}/8
+ \x{601}
+ 0: \x{601}
+ ** Failers
+No match
+ \x{09f}
+No match
+
+/^\p{Cn}/8
+ \x{e0000}
+ 0: \x{e0000}
+ ** Failers
+No match
+ \x{09f}
+No match
+
+/^\p{Co}/8
+ \x{f8ff}
+ 0: \x{f8ff}
+ ** Failers
+No match
+ \x{09f}
+No match
+
+/^\p{Cs}/8
+ \?\x{dfff}
+ 0: \x{dfff}
+ ** Failers
+No match
+ \x{09f}
+No match
+
+/^\p{Ll}/8
+ a
+ 0: a
+ ** Failers
+No match
+ Z
+No match
+ \x{e000}
+No match
+
+/^\p{Lm}/8
+ \x{2b0}
+ 0: \x{2b0}
+ ** Failers
+No match
+ a
+No match
+
+/^\p{Lo}/8
+ \x{1bb}
+ 0: \x{1bb}
+ \x{3400}
+ 0: \x{3400}
+ \x{3401}
+ 0: \x{3401}
+ \x{4d00}
+ 0: \x{4d00}
+ \x{4db4}
+ 0: \x{4db4}
+ \x{4db5}
+ 0: \x{4db5}
+ ** Failers
+No match
+ a
+No match
+ \x{2b0}
+No match
+ \x{4db6}
+No match
+
+/^\p{Lt}/8
+ \x{1c5}
+ 0: \x{1c5}
+ ** Failers
+No match
+ a
+No match
+ \x{2b0}
+No match
+
+/^\p{Lu}/8
+ A
+ 0: A
+ ** Failers
+No match
+ \x{2b0}
+No match
+
+/^\p{Mc}/8
+ \x{903}
+ 0: \x{903}
+ ** Failers
+No match
+ X
+No match
+ \x{300}
+No match
+
+/^\p{Me}/8
+ \x{488}
+ 0: \x{488}
+ ** Failers
+No match
+ X
+No match
+ \x{903}
+No match
+ \x{300}
+No match
+
+/^\p{Mn}/8
+ \x{300}
+ 0: \x{300}
+ ** Failers
+No match
+ X
+No match
+ \x{903}
+No match
+
+/^\p{Nd}+/8
+ 0123456789\x{660}\x{661}\x{662}\x{663}\x{664}\x{665}\x{666}\x{667}\x{668}\x{669}\x{66a}
+ 0: 0123456789\x{660}\x{661}\x{662}\x{663}\x{664}\x{665}\x{666}\x{667}\x{668}\x{669}
+ \x{6f0}\x{6f1}\x{6f2}\x{6f3}\x{6f4}\x{6f5}\x{6f6}\x{6f7}\x{6f8}\x{6f9}\x{6fa}
+ 0: \x{6f0}\x{6f1}\x{6f2}\x{6f3}\x{6f4}\x{6f5}\x{6f6}\x{6f7}\x{6f8}\x{6f9}
+ \x{966}\x{967}\x{968}\x{969}\x{96a}\x{96b}\x{96c}\x{96d}\x{96e}\x{96f}\x{970}
+ 0: \x{966}\x{967}\x{968}\x{969}\x{96a}\x{96b}\x{96c}\x{96d}\x{96e}\x{96f}
+ ** Failers
+No match
+ X
+No match
+
+/^\p{Nl}/8
+ \x{16ee}
+ 0: \x{16ee}
+ ** Failers
+No match
+ X
+No match
+ \x{966}
+No match
+
+/^\p{No}/8
+ \x{b2}
+ 0: \x{b2}
+ \x{b3}
+ 0: \x{b3}
+ ** Failers
+No match
+ X
+No match
+ \x{16ee}
+No match
+
+/^\p{Pc}/8
+ \x5f
+ 0: _
+ \x{203f}
+ 0: \x{203f}
+ ** Failers
+No match
+ X
+No match
+ -
+No match
+ \x{58a}
+No match
+
+/^\p{Pd}/8
+ -
+ 0: -
+ \x{58a}
+ 0: \x{58a}
+ ** Failers
+No match
+ X
+No match
+ \x{203f}
+No match
+
+/^\p{Pe}/8
+ )
+ 0: )
+ ]
+ 0: ]
+ }
+ 0: }
+ \x{f3b}
+ 0: \x{f3b}
+ ** Failers
+No match
+ X
+No match
+ \x{203f}
+No match
+ (
+No match
+ [
+No match
+ {
+No match
+ \x{f3c}
+No match
+
+/^\p{Pf}/8
+ \x{bb}
+ 0: \x{bb}
+ \x{2019}
+ 0: \x{2019}
+ ** Failers
+No match
+ X
+No match
+ \x{203f}
+No match
+
+/^\p{Pi}/8
+ \x{ab}
+ 0: \x{ab}
+ \x{2018}
+ 0: \x{2018}
+ ** Failers
+No match
+ X
+No match
+ \x{203f}
+No match
+
+/^\p{Po}/8
+ !
+ 0: !
+ \x{37e}
+ 0: \x{37e}
+ ** Failers
+ 0: *
+ X
+No match
+ \x{203f}
+No match
+
+/^\p{Ps}/8
+ (
+ 0: (
+ [
+ 0: [
+ {
+ 0: {
+ \x{f3c}
+ 0: \x{f3c}
+ ** Failers
+No match
+ X
+No match
+ )
+No match
+ ]
+No match
+ }
+No match
+ \x{f3b}
+No match
+
+/^\p{Sc}+/8
+ $\x{a2}\x{a3}\x{a4}\x{a5}\x{a6}
+ 0: $\x{a2}\x{a3}\x{a4}\x{a5}
+ \x{9f2}
+ 0: \x{9f2}
+ ** Failers
+No match
+ X
+No match
+ \x{2c2}
+No match
+
+/^\p{Sk}/8
+ \x{2c2}
+ 0: \x{2c2}
+ ** Failers
+No match
+ X
+No match
+ \x{9f2}
+No match
+
+/^\p{Sm}+/8
+ +<|~\x{ac}\x{2044}
+ 0: +<|~\x{ac}\x{2044}
+ ** Failers
+No match
+ X
+No match
+ \x{9f2}
+No match
+
+/^\p{So}/8
+ \x{a6}
+ 0: \x{a6}
+ \x{482}
+ 0: \x{482}
+ ** Failers
+No match
+ X
+No match
+ \x{9f2}
+No match
+
+/^\p{Zl}/8
+ \x{2028}
+ 0: \x{2028}
+ ** Failers
+No match
+ X
+No match
+ \x{2029}
+No match
+
+/^\p{Zp}/8
+ \x{2029}
+ 0: \x{2029}
+ ** Failers
+No match
+ X
+No match
+ \x{2028}
+No match
+
+/^\p{Zs}/8
+ \ \
+ 0:
+ \x{a0}
+ 0: \x{a0}
+ \x{1680}
+ 0: \x{1680}
+ \x{180e}
+ 0: \x{180e}
+ \x{2000}
+ 0: \x{2000}
+ \x{2001}
+ 0: \x{2001}
+ ** Failers
+No match
+ \x{2028}
+No match
+ \x{200d}
+No match
+
+/\p{Nd}+(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+ 1: AB
+
+/\p{Nd}+?(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}
+ 1: \x{661}\x{662}
+
+/\p{Nd}{2,}(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+ 1: AB
+
+/\p{Nd}{2,}?(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}A
+ 1: \x{662}A
+
+/\p{Nd}*(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+ 1: AB
+
+/\p{Nd}*?(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}
+ 1: \x{660}\x{661}
+
+/\p{Nd}{2}(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}A
+ 1: \x{662}A
+
+/\p{Nd}{2,3}(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+ 1: AB
+
+/\p{Nd}{2,3}?(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}A
+ 1: \x{662}A
+
+/\p{Nd}?(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}
+ 1: \x{661}\x{662}
+
+/\p{Nd}??(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}
+ 1: \x{660}\x{661}
+
+/\p{Nd}*+(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+ 1: AB
+
+/\p{Nd}*+(...)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}ABC
+ 1: ABC
+
+/\p{Nd}*+(....)/8
+ ** Failers
+ 0: ** F
+ 1: ** F
+ \x{660}\x{661}\x{662}ABC
+No match
+
+/\p{Lu}/8i
+ A
+ 0: A
+ a\x{10a0}B
+ 0: \x{10a0}
+ ** Failers
+ 0: F
+ a
+No match
+ \x{1d00}
+No match
+
+/\p{^Lu}/8i
+ 1234
+ 0: 1
+ ** Failers
+ 0: *
+ ABC
+No match
+
+/\P{Lu}/8i
+ 1234
+ 0: 1
+ ** Failers
+ 0: *
+ ABC
+No match
+
+/(?<=A\p{Nd})XYZ/8
+ A2XYZ
+ 0: XYZ
+ 123A5XYZPQR
+ 0: XYZ
+ ABA\x{660}XYZpqr
+ 0: XYZ
+ ** Failers
+No match
+ AXYZ
+No match
+ XYZ
+No match
+
+/(?<!\pL)XYZ/8
+ 1XYZ
+ 0: XYZ
+ AB=XYZ..
+ 0: XYZ
+ XYZ
+ 0: XYZ
+ ** Failers
+No match
+ WXYZ
+No match
+
+/[\p{L}]/DZ
+------------------------------------------------------------------
+ Bra
+ [\p{L}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/[\p{^L}]/DZ
+------------------------------------------------------------------
+ Bra
+ [\P{L}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/[\P{L}]/DZ
+------------------------------------------------------------------
+ Bra
+ [\P{L}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/[\P{^L}]/DZ
+------------------------------------------------------------------
+ Bra
+ [\p{L}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+No options
+No first char
+No need char
+
+/[abc\p{L}\x{0660}]/8DZ
+------------------------------------------------------------------
+ Bra
+ [a-c\p{L}\x{660}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+No first char
+No need char
+
+/[\p{Nd}]/8DZ
+------------------------------------------------------------------
+ Bra
+ [\p{Nd}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+No first char
+No need char
+ 1234
+ 0: 1
+
+/[\p{Nd}+-]+/8DZ
+------------------------------------------------------------------
+ Bra
+ [+\-\p{Nd}]+
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Partial matching not supported
+Options: utf8
+No first char
+No need char
+ 1234
+ 0: 1234
+ 12-34
+ 0: 12-34
+ 12+\x{661}-34
+ 0: 12+\x{661}-34
+ ** Failers
+No match
+ abcd
+No match
+
+/[\P{Nd}]+/8
+ abcd
+ 0: abcd
+ ** Failers
+ 0: ** Failers
+ 1234
+No match
+
+/\D+/8
+ 11111111111111111111111111111111111111111111111111111111111111111111111
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/\P{Nd}+/8
+ 11111111111111111111111111111111111111111111111111111111111111111111111
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/[\D]+/8
+ 11111111111111111111111111111111111111111111111111111111111111111111111
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/[\P{Nd}]+/8
+ 11111111111111111111111111111111111111111111111111111111111111111111111
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/[\D\P{Nd}]+/8
+ 11111111111111111111111111111111111111111111111111111111111111111111111
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/\pL/8
+ a
+ 0: a
+ A
+ 0: A
+
+/\pL/8i
+ a
+ 0: a
+ A
+ 0: A
+
+/\p{Lu}/8
+ A
+ 0: A
+ aZ
+ 0: Z
+ ** Failers
+ 0: F
+ abc
+No match
+
+/\p{Lu}/8i
+ A
+ 0: A
+ aZ
+ 0: Z
+ ** Failers
+ 0: F
+ abc
+No match
+
+/\p{Ll}/8
+ a
+ 0: a
+ Az
+ 0: z
+ ** Failers
+ 0: a
+ ABC
+No match
+
+/\p{Ll}/8i
+ a
+ 0: a
+ Az
+ 0: z
+ ** Failers
+ 0: a
+ ABC
+No match
+
+/^\x{c0}$/8i
+ \x{c0}
+ 0: \x{c0}
+ \x{e0}
+ 0: \x{e0}
+
+/^\x{e0}$/8i
+ \x{c0}
+ 0: \x{c0}
+ \x{e0}
+ 0: \x{e0}
+
+/A\x{391}\x{10427}\x{ff3a}\x{1fb0}/8
+ A\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ 0: A\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ ** Failers
+No match
+ a\x{391}\x{10427}\x{ff3a}\x{1fb0}
+No match
+ A\x{3b1}\x{10427}\x{ff3a}\x{1fb0}
+No match
+ A\x{391}\x{1044F}\x{ff3a}\x{1fb0}
+No match
+ A\x{391}\x{10427}\x{ff5a}\x{1fb0}
+No match
+ A\x{391}\x{10427}\x{ff3a}\x{1fb8}
+No match
+
+/A\x{391}\x{10427}\x{ff3a}\x{1fb0}/8i
+ A\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ 0: A\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ a\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ 0: a\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ A\x{3b1}\x{10427}\x{ff3a}\x{1fb0}
+ 0: A\x{3b1}\x{10427}\x{ff3a}\x{1fb0}
+ A\x{391}\x{1044F}\x{ff3a}\x{1fb0}
+ 0: A\x{391}\x{1044f}\x{ff3a}\x{1fb0}
+ A\x{391}\x{10427}\x{ff5a}\x{1fb0}
+ 0: A\x{391}\x{10427}\x{ff5a}\x{1fb0}
+ A\x{391}\x{10427}\x{ff3a}\x{1fb8}
+ 0: A\x{391}\x{10427}\x{ff3a}\x{1fb8}
+
+/A\x{391}\x{10427}\x{ff3a}\x{1fb0}/8iDZ
+------------------------------------------------------------------
+ Bra
+ NC A\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: caseless utf8
+First char = 'A' (caseless)
+No need char
+
+/A\x{391}\x{10427}\x{ff3a}\x{1fb0}/8DZ
+------------------------------------------------------------------
+ Bra
+ A\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 'A'
+Need char = 176
+
+/AB\x{1fb0}/8DZ
+------------------------------------------------------------------
+ Bra
+ AB\x{1fb0}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf8
+First char = 'A'
+Need char = 176
+
+/AB\x{1fb0}/8DZi
+------------------------------------------------------------------
+ Bra
+ NC AB\x{1fb0}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: caseless utf8
+First char = 'A' (caseless)
+Need char = 'B' (caseless)
+
+/\x{391}+/8i
+ \x{391}\x{3b1}\x{3b1}\x{3b1}\x{391}
+ 0: \x{391}\x{3b1}\x{3b1}\x{3b1}\x{391}
+
+/\x{391}{3,5}(.)/8i
+ \x{391}\x{3b1}\x{3b1}\x{3b1}\x{391}X
+ 0: \x{391}\x{3b1}\x{3b1}\x{3b1}\x{391}X
+ 1: X
+
+/\x{391}{3,5}?(.)/8i
+ \x{391}\x{3b1}\x{3b1}\x{3b1}\x{391}X
+ 0: \x{391}\x{3b1}\x{3b1}\x{3b1}
+ 1: \x{3b1}
+
+/[\x{391}\x{ff3a}]/8i
+ \x{391}
+ 0: \x{391}
+ \x{ff3a}
+ 0: \x{ff3a}
+ \x{3b1}
+ 0: \x{3b1}
+ \x{ff5a}
+ 0: \x{ff5a}
+
+/[\x{c0}\x{391}]/8i
+ \x{c0}
+ 0: \x{c0}
+ \x{e0}
+ 0: \x{e0}
+
+/[\x{105}-\x{109}]/8iDZ
+------------------------------------------------------------------
+ Bra
+ [\x{104}-\x{109}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: caseless utf8
+No first char
+No need char
+ \x{104}
+ 0: \x{104}
+ \x{105}
+ 0: \x{105}
+ \x{109}
+ 0: \x{109}
+ ** Failers
+No match
+ \x{100}
+No match
+ \x{10a}
+No match
+
+/[z-\x{100}]/8iDZ
+------------------------------------------------------------------
+ Bra
+ [Z\x{39c}\x{178}z-\x{101}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: caseless utf8
+No first char
+No need char
+ Z
+ 0: Z
+ z
+ 0: z
+ \x{39c}
+ 0: \x{39c}
+ \x{178}
+ 0: \x{178}
+ |
+ 0: |
+ \x{80}
+ 0: \x{80}
+ \x{ff}
+ 0: \x{ff}
+ \x{100}
+ 0: \x{100}
+ \x{101}
+ 0: \x{101}
+ ** Failers
+No match
+ \x{102}
+No match
+ Y
+No match
+ y
+No match
+
+/[z-\x{100}]/8DZi
+------------------------------------------------------------------
+ Bra
+ [Z\x{39c}\x{178}z-\x{101}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: caseless utf8
+No first char
+No need char
+
+/^\X/8
+ A
+ 0: A
+ A\x{300}BC
+ 0: A\x{300}
+ A\x{300}\x{301}\x{302}BC
+ 0: A\x{300}\x{301}\x{302}
+ *** Failers
+ 0: *
+ \x{300}
+No match
+
+/^[\X]/8
+ X123
+ 0: X
+ *** Failers
+No match
+ AXYZ
+No match
+
+/^(\X*)C/8
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}
+ 0: A\x{300}\x{301}\x{302}BC
+ 1: A\x{300}\x{301}\x{302}B
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 0: A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 1: A\x{300}\x{301}\x{302}BCA\x{300}\x{301}
+
+/^(\X*?)C/8
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}
+ 0: A\x{300}\x{301}\x{302}BC
+ 1: A\x{300}\x{301}\x{302}B
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 0: A\x{300}\x{301}\x{302}BC
+ 1: A\x{300}\x{301}\x{302}B
+
+/^(\X*)(.)/8
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}
+ 0: A\x{300}\x{301}\x{302}BCA
+ 1: A\x{300}\x{301}\x{302}BC
+ 2: A
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 0: A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 1: A\x{300}\x{301}\x{302}BCA\x{300}\x{301}
+ 2: C
+
+/^(\X*?)(.)/8
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}
+ 0: A
+ 1:
+ 2: A
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 0: A
+ 1:
+ 2: A
+
+/^\X(.)/8
+ *** Failers
+ 0: **
+ 1: *
+ A\x{300}\x{301}\x{302}
+No match
+
+/^\X{2,3}(.)/8
+ A\x{300}\x{301}B\x{300}X
+ 0: A\x{300}\x{301}B\x{300}X
+ 1: X
+ A\x{300}\x{301}B\x{300}C\x{300}\x{301}
+ 0: A\x{300}\x{301}B\x{300}C
+ 1: C
+ A\x{300}\x{301}B\x{300}C\x{300}\x{301}X
+ 0: A\x{300}\x{301}B\x{300}C\x{300}\x{301}X
+ 1: X
+ A\x{300}\x{301}B\x{300}C\x{300}\x{301}DA\x{300}X
+ 0: A\x{300}\x{301}B\x{300}C\x{300}\x{301}D
+ 1: D
+
+/^\X{2,3}?(.)/8
+ A\x{300}\x{301}B\x{300}X
+ 0: A\x{300}\x{301}B\x{300}X
+ 1: X
+ A\x{300}\x{301}B\x{300}C\x{300}\x{301}
+ 0: A\x{300}\x{301}B\x{300}C
+ 1: C
+ A\x{300}\x{301}B\x{300}C\x{300}\x{301}X
+ 0: A\x{300}\x{301}B\x{300}C
+ 1: C
+ A\x{300}\x{301}B\x{300}C\x{300}\x{301}DA\x{300}X
+ 0: A\x{300}\x{301}B\x{300}C
+ 1: C
+
+/^\p{Han}+/8
+ \x{2e81}\x{3007}\x{2f804}\x{31a0}
+ 0: \x{2e81}\x{3007}\x{2f804}
+ ** Failers
+No match
+ \x{2e7f}
+No match
+
+/^\P{Katakana}+/8
+ \x{3105}
+ 0: \x{3105}
+ ** Failers
+ 0: ** Failers
+ \x{30ff}
+No match
+
+/^[\p{Arabic}]/8
+ \x{06e9}
+ 0: \x{6e9}
+ \x{060b}
+ 0: \x{60b}
+ ** Failers
+No match
+ X\x{06e9}
+No match
+
+/^[\P{Yi}]/8
+ \x{2f800}
+ 0: \x{2f800}
+ ** Failers
+ 0: *
+ \x{a014}
+No match
+ \x{a4c6}
+No match
+
+/^\p{Any}X/8
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ ** Failers
+No match
+ X
+No match
+
+/^\P{Any}X/8
+ ** Failers
+No match
+ AX
+No match
+
+/^\p{Any}?X/8
+ XYZ
+ 0: X
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ ** Failers
+No match
+ ABXYZ
+No match
+
+/^\P{Any}?X/8
+ XYZ
+ 0: X
+ ** Failers
+No match
+ AXYZ
+No match
+ \x{1234}XYZ
+No match
+ ABXYZ
+No match
+
+/^\p{Any}+X/8
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ A\x{1234}XYZ
+ 0: A\x{1234}X
+ ** Failers
+No match
+ XYZ
+No match
+
+/^\P{Any}+X/8
+ ** Failers
+No match
+ AXYZ
+No match
+ \x{1234}XYZ
+No match
+ A\x{1234}XYZ
+No match
+ XYZ
+No match
+
+/^\p{Any}*X/8
+ XYZ
+ 0: X
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ A\x{1234}XYZ
+ 0: A\x{1234}X
+ ** Failers
+No match
+
+/^\P{Any}*X/8
+ XYZ
+ 0: X
+ ** Failers
+No match
+ AXYZ
+No match
+ \x{1234}XYZ
+No match
+ A\x{1234}XYZ
+No match
+
+/^[\p{Any}]X/8
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ ** Failers
+No match
+ X
+No match
+
+/^[\P{Any}]X/8
+ ** Failers
+No match
+ AX
+No match
+
+/^[\p{Any}]?X/8
+ XYZ
+ 0: X
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ ** Failers
+No match
+ ABXYZ
+No match
+
+/^[\P{Any}]?X/8
+ XYZ
+ 0: X
+ ** Failers
+No match
+ AXYZ
+No match
+ \x{1234}XYZ
+No match
+ ABXYZ
+No match
+
+/^[\p{Any}]+X/8
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ A\x{1234}XYZ
+ 0: A\x{1234}X
+ ** Failers
+No match
+ XYZ
+No match
+
+/^[\P{Any}]+X/8
+ ** Failers
+No match
+ AXYZ
+No match
+ \x{1234}XYZ
+No match
+ A\x{1234}XYZ
+No match
+ XYZ
+No match
+
+/^[\p{Any}]*X/8
+ XYZ
+ 0: X
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ A\x{1234}XYZ
+ 0: A\x{1234}X
+ ** Failers
+No match
+
+/^[\P{Any}]*X/8
+ XYZ
+ 0: X
+ ** Failers
+No match
+ AXYZ
+No match
+ \x{1234}XYZ
+No match
+ A\x{1234}XYZ
+No match
+
+/^\p{Any}{3,5}?/8
+ abcdefgh
+ 0: abc
+ \x{1234}\n\r\x{3456}xyz
+ 0: \x{1234}\x{0a}\x{0d}
+
+/^\p{Any}{3,5}/8
+ abcdefgh
+ 0: abcde
+ \x{1234}\n\r\x{3456}xyz
+ 0: \x{1234}\x{0a}\x{0d}\x{3456}x
+
+/^\P{Any}{3,5}?/8
+ ** Failers
+No match
+ abcdefgh
+No match
+ \x{1234}\n\r\x{3456}xyz
+No match
+
+/^\p{L&}X/8
+ AXY
+ 0: AX
+ aXY
+ 0: aX
+ \x{1c5}XY
+ 0: \x{1c5}X
+ ** Failers
+No match
+ \x{1bb}XY
+No match
+ \x{2b0}XY
+No match
+ !XY
+No match
+
+/^[\p{L&}]X/8
+ AXY
+ 0: AX
+ aXY
+ 0: aX
+ \x{1c5}XY
+ 0: \x{1c5}X
+ ** Failers
+No match
+ \x{1bb}XY
+No match
+ \x{2b0}XY
+No match
+ !XY
+No match
+
+/^\p{L&}+X/8
+ AXY
+ 0: AX
+ aXY
+ 0: aX
+ AbcdeXyz
+ 0: AbcdeX
+ \x{1c5}AbXY
+ 0: \x{1c5}AbX
+ abcDEXypqreXlmn
+ 0: abcDEXypqreX
+ ** Failers
+No match
+ \x{1bb}XY
+No match
+ \x{2b0}XY
+No match
+ !XY
+No match
+
+/^[\p{L&}]+X/8
+ AXY
+ 0: AX
+ aXY
+ 0: aX
+ AbcdeXyz
+ 0: AbcdeX
+ \x{1c5}AbXY
+ 0: \x{1c5}AbX
+ abcDEXypqreXlmn
+ 0: abcDEXypqreX
+ ** Failers
+No match
+ \x{1bb}XY
+No match
+ \x{2b0}XY
+No match
+ !XY
+No match
+
+/^\p{L&}+?X/8
+ AXY
+ 0: AX
+ aXY
+ 0: aX
+ AbcdeXyz
+ 0: AbcdeX
+ \x{1c5}AbXY
+ 0: \x{1c5}AbX
+ abcDEXypqreXlmn
+ 0: abcDEX
+ ** Failers
+No match
+ \x{1bb}XY
+No match
+ \x{2b0}XY
+No match
+ !XY
+No match
+
+/^[\p{L&}]+?X/8
+ AXY
+ 0: AX
+ aXY
+ 0: aX
+ AbcdeXyz
+ 0: AbcdeX
+ \x{1c5}AbXY
+ 0: \x{1c5}AbX
+ abcDEXypqreXlmn
+ 0: abcDEX
+ ** Failers
+No match
+ \x{1bb}XY
+No match
+ \x{2b0}XY
+No match
+ !XY
+No match
+
+/^\P{L&}X/8
+ !XY
+ 0: !X
+ \x{1bb}XY
+ 0: \x{1bb}X
+ \x{2b0}XY
+ 0: \x{2b0}X
+ ** Failers
+No match
+ \x{1c5}XY
+No match
+ AXY
+No match
+
+/^[\P{L&}]X/8
+ !XY
+ 0: !X
+ \x{1bb}XY
+ 0: \x{1bb}X
+ \x{2b0}XY
+ 0: \x{2b0}X
+ ** Failers
+No match
+ \x{1c5}XY
+No match
+ AXY
+No match
+
+/^(\p{Z}[^\p{C}\p{Z}]+)*$/
+ \xa0!
+ 0: \xa0!
+ 1: \xa0!
+
+/^[\pL](abc)(?1)/
+ AabcabcYZ
+ 0: Aabcabc
+ 1: abc
+
+/([\pL]=(abc))*X/
+ L=abcX
+ 0: L=abcX
+ 1: L=abc
+ 2: abc
+
+/The next two should be Perl-compatible, but it fails to match \x{e0}. PCRE
+will match it only with UCP support, because without that it has no notion
+of case for anything other than the ASCII letters. /
+
+/((?i)[\x{c0}])/8
+ \x{c0}
+ 0: \x{c0}
+ 1: \x{c0}
+ \x{e0}
+ 0: \x{e0}
+ 1: \x{e0}
+
+/(?i:[\x{c0}])/8
+ \x{c0}
+ 0: \x{c0}
+ \x{e0}
+ 0: \x{e0}
+
+/^\p{Balinese}\p{Cuneiform}\p{Nko}\p{Phags_Pa}\p{Phoenician}/8
+ \x{1b00}\x{12000}\x{7c0}\x{a840}\x{10900}
+ 0: \x{1b00}\x{12000}\x{7c0}\x{a840}\x{10900}
+
+/The next two are special cases where the lengths of the different cases of the
+same character differ. The first went wrong with heap fram storage; the 2nd
+was broken in all cases./
+
+/^\x{023a}+?(\x{0130}+)/8i
+ \x{023a}\x{2c65}\x{0130}
+ 0: \x{23a}\x{2c65}\x{130}
+ 1: \x{130}
+
+/^\x{023a}+([^X])/8i
+ \x{023a}\x{2c65}X
+ 0: \x{23a}\x{2c65}
+ 1: \x{2c65}
+
+/Check property support in non-UTF-8 mode/
+
+/\p{L}{4}/
+ 123abcdefg
+ 0: abcd
+ 123abc\xc4\xc5zz
+ 0: abc\xc4
+
+/\X{1,3}\d/
+ \x8aBCD
+No match
+
+/\X?\d/
+ \x8aBCD
+No match
+
+/\P{L}?\d/
+ \x8aBCD
+No match
+
+/[\PPP\x8a]{1,}\x80/
+ A\x80
+ 0: A\x80
+
+/(?:[\PPa*]*){8,}/
+
+/[\P{Any}]/BZ
+------------------------------------------------------------------
+ Bra
+ [\P{Any}]
+ Ket
+ End
+------------------------------------------------------------------
+
+/[\P{Any}\E]/BZ
+------------------------------------------------------------------
+ Bra
+ [\P{Any}]
+ Ket
+ End
+------------------------------------------------------------------
+
+/(\P{Yi}+\277)/
+
+/(\P{Yi}+\277)?/
+
+/(?<=\P{Yi}{3}A)X/
+
+/\p{Yi}+(\P{Yi}+)(?1)/
+
+/(\P{Yi}{2}\277)?/
+
+/[\P{Yi}A]/
+
+/[\P{Yi}\P{Yi}\P{Yi}A]/
+
+/[^\P{Yi}A]/
+
+/[^\P{Yi}\P{Yi}\P{Yi}A]/
+
+/(\P{Yi}*\277)*/
+
+/(\P{Yi}*?\277)*/
+
+/(\p{Yi}*+\277)*/
+
+/(\P{Yi}?\277)*/
+
+/(\P{Yi}??\277)*/
+
+/(\p{Yi}?+\277)*/
+
+/(\P{Yi}{0,3}\277)*/
+
+/(\P{Yi}{0,3}?\277)*/
+
+/(\p{Yi}{0,3}+\277)*/
+
+/^[\p{Arabic}]/8
+ \x{60e}
+ 0: \x{60e}
+ \x{656}
+ 0: \x{656}
+ \x{657}
+ 0: \x{657}
+ \x{658}
+ 0: \x{658}
+ \x{659}
+ 0: \x{659}
+ \x{65a}
+ 0: \x{65a}
+ \x{65b}
+ 0: \x{65b}
+ \x{65c}
+ 0: \x{65c}
+ \x{65d}
+ 0: \x{65d}
+ \x{65e}
+ 0: \x{65e}
+ \x{66a}
+ 0: \x{66a}
+ \x{6e9}
+ 0: \x{6e9}
+ \x{6ef}
+ 0: \x{6ef}
+ \x{6fa}
+ 0: \x{6fa}
+ ** Failers
+No match
+ \x{600}
+No match
+ \x{650}
+No match
+ \x{651}
+No match
+ \x{652}
+No match
+ \x{653}
+No match
+ \x{654}
+No match
+ \x{655}
+No match
+ \x{65f}
+No match
+
+/^\p{Cyrillic}/8
+ \x{1d2b}
+ 0: \x{1d2b}
+
+/^\p{Common}/8
+ \x{589}
+ 0: \x{589}
+ \x{60c}
+ 0: \x{60c}
+ \x{61f}
+ 0: \x{61f}
+ \x{964}
+ 0: \x{964}
+ \x{965}
+ 0: \x{965}
+ \x{970}
+ 0: \x{970}
+
+/^\p{Inherited}/8
+ \x{64b}
+ 0: \x{64b}
+ \x{654}
+ 0: \x{654}
+ \x{655}
+ 0: \x{655}
+ \x{200c}
+ 0: \x{200c}
+ ** Failers
+No match
+ \x{64a}
+No match
+ \x{656}
+No match
+
+/^\p{Shavian}/8
+ \x{10450}
+ 0: \x{10450}
+ \x{1047f}
+ 0: \x{1047f}
+
+/^\p{Deseret}/8
+ \x{10400}
+ 0: \x{10400}
+ \x{1044f}
+ 0: \x{1044f}
+
+/^\p{Osmanya}/8
+ \x{10480}
+ 0: \x{10480}
+ \x{1049d}
+ 0: \x{1049d}
+ \x{104a0}
+ 0: \x{104a0}
+ \x{104a9}
+ 0: \x{104a9}
+ ** Failers
+No match
+ \x{1049e}
+No match
+ \x{1049f}
+No match
+ \x{104aa}
+No match
+
+/\p{Zl}{2,3}+/8BZ
+------------------------------------------------------------------
+ Bra
+ prop Zl {2}
+ prop Zl ?+
+ Ket
+ End
+------------------------------------------------------------------
+ \xe2\x80\xa8\xe2\x80\xa8
+ 0: \x{2028}\x{2028}
+ \x{2028}\x{2028}\x{2028}
+ 0: \x{2028}\x{2028}\x{2028}
+
+/\p{Zl}/8BZ
+------------------------------------------------------------------
+ Bra
+ prop Zl
+ Ket
+ End
+------------------------------------------------------------------
+
+/\p{Lu}{3}+/8BZ
+------------------------------------------------------------------
+ Bra
+ prop Lu {3}
+ Ket
+ End
+------------------------------------------------------------------
+
+/\pL{2}+/8BZ
+------------------------------------------------------------------
+ Bra
+ prop L {2}
+ Ket
+ End
+------------------------------------------------------------------
+
+/\p{Cc}{2}+/8BZ
+------------------------------------------------------------------
+ Bra
+ prop Cc {2}
+ Ket
+ End
+------------------------------------------------------------------
+
+/ End of testinput6 /
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput7 b/lib/stdlib/test/re_SUITE_data/testoutput7
new file mode 100644
index 0000000000..d8e3833f39
--- /dev/null
+++ b/lib/stdlib/test/re_SUITE_data/testoutput7
@@ -0,0 +1,7215 @@
+/abc/
+ abc
+ 0: abc
+
+/ab*c/
+ abc
+ 0: abc
+ abbbbc
+ 0: abbbbc
+ ac
+ 0: ac
+
+/ab+c/
+ abc
+ 0: abc
+ abbbbbbc
+ 0: abbbbbbc
+ *** Failers
+No match
+ ac
+No match
+ ab
+No match
+
+/a*/
+ a
+ 0: a
+ 1:
+ aaaaaaaaaaaaaaaaa
+ 0: aaaaaaaaaaaaaaaaa
+ 1: aaaaaaaaaaaaaaaa
+ 2: aaaaaaaaaaaaaaa
+ 3: aaaaaaaaaaaaaa
+ 4: aaaaaaaaaaaaa
+ 5: aaaaaaaaaaaa
+ 6: aaaaaaaaaaa
+ 7: aaaaaaaaaa
+ 8: aaaaaaaaa
+ 9: aaaaaaaa
+10: aaaaaaa
+11: aaaaaa
+12: aaaaa
+13: aaaa
+14: aaa
+15: aa
+16: a
+17:
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+Matched, but too many subsidiary matches
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 1: aaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 2: aaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 3: aaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 4: aaaaaaaaaaaaaaaaaaaaaaaaaa
+ 5: aaaaaaaaaaaaaaaaaaaaaaaaa
+ 6: aaaaaaaaaaaaaaaaaaaaaaaa
+ 7: aaaaaaaaaaaaaaaaaaaaaaa
+ 8: aaaaaaaaaaaaaaaaaaaaaa
+ 9: aaaaaaaaaaaaaaaaaaaaa
+10: aaaaaaaaaaaaaaaaaaaa
+11: aaaaaaaaaaaaaaaaaaa
+12: aaaaaaaaaaaaaaaaaa
+13: aaaaaaaaaaaaaaaaa
+14: aaaaaaaaaaaaaaaa
+15: aaaaaaaaaaaaaaa
+16: aaaaaaaaaaaaaa
+17: aaaaaaaaaaaaa
+18: aaaaaaaaaaaa
+19: aaaaaaaaaaa
+20: aaaaaaaaaa
+21: aaaaaaaaa
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\F
+ 0:
+
+/(a|abcd|african)/
+ a
+ 0: a
+ abcd
+ 0: abcd
+ 1: a
+ african
+ 0: african
+ 1: a
+
+/^abc/
+ abcdef
+ 0: abc
+ *** Failers
+No match
+ xyzabc
+No match
+ xyz\nabc
+No match
+
+/^abc/m
+ abcdef
+ 0: abc
+ xyz\nabc
+ 0: abc
+ *** Failers
+No match
+ xyzabc
+No match
+
+/\Aabc/
+ abcdef
+ 0: abc
+ *** Failers
+No match
+ xyzabc
+No match
+ xyz\nabc
+No match
+
+/\Aabc/m
+ abcdef
+ 0: abc
+ *** Failers
+No match
+ xyzabc
+No match
+ xyz\nabc
+No match
+
+/\Gabc/
+ abcdef
+ 0: abc
+ xyzabc\>3
+ 0: abc
+ *** Failers
+No match
+ xyzabc
+No match
+ xyzabc\>2
+No match
+
+/x\dy\Dz/
+ x9yzz
+ 0: x9yzz
+ x0y+z
+ 0: x0y+z
+ *** Failers
+No match
+ xyz
+No match
+ xxy0z
+No match
+
+/x\sy\Sz/
+ x yzz
+ 0: x yzz
+ x y+z
+ 0: x y+z
+ *** Failers
+No match
+ xyz
+No match
+ xxyyz
+No match
+
+/x\wy\Wz/
+ xxy+z
+ 0: xxy+z
+ *** Failers
+No match
+ xxy0z
+No match
+ x+y+z
+No match
+
+/x.y/
+ x+y
+ 0: x+y
+ x-y
+ 0: x-y
+ *** Failers
+No match
+ x\ny
+No match
+
+/x.y/s
+ x+y
+ 0: x+y
+ x-y
+ 0: x-y
+ x\ny
+ 0: x\x0ay
+
+/(a.b(?s)c.d|x.y)p.q/
+ a+bc+dp+q
+ 0: a+bc+dp+q
+ a+bc\ndp+q
+ 0: a+bc\x0adp+q
+ x\nyp+q
+ 0: x\x0ayp+q
+ *** Failers
+No match
+ a\nbc\ndp+q
+No match
+ a+bc\ndp\nq
+No match
+ x\nyp\nq
+No match
+
+/a\d\z/
+ ba0
+ 0: a0
+ *** Failers
+No match
+ ba0\n
+No match
+ ba0\ncd
+No match
+
+/a\d\z/m
+ ba0
+ 0: a0
+ *** Failers
+No match
+ ba0\n
+No match
+ ba0\ncd
+No match
+
+/a\d\Z/
+ ba0
+ 0: a0
+ ba0\n
+ 0: a0
+ *** Failers
+No match
+ ba0\ncd
+No match
+
+/a\d\Z/m
+ ba0
+ 0: a0
+ ba0\n
+ 0: a0
+ *** Failers
+No match
+ ba0\ncd
+No match
+
+/a\d$/
+ ba0
+ 0: a0
+ ba0\n
+ 0: a0
+ *** Failers
+No match
+ ba0\ncd
+No match
+
+/a\d$/m
+ ba0
+ 0: a0
+ ba0\n
+ 0: a0
+ ba0\ncd
+ 0: a0
+ *** Failers
+No match
+
+/abc/i
+ abc
+ 0: abc
+ aBc
+ 0: aBc
+ ABC
+ 0: ABC
+
+/[^a]/
+ abcd
+ 0: b
+
+/ab?\w/
+ abz
+ 0: abz
+ 1: ab
+ abbz
+ 0: abb
+ 1: ab
+ azz
+ 0: az
+
+/x{0,3}yz/
+ ayzq
+ 0: yz
+ axyzq
+ 0: xyz
+ axxyz
+ 0: xxyz
+ axxxyzq
+ 0: xxxyz
+ axxxxyzq
+ 0: xxxyz
+ *** Failers
+No match
+ ax
+No match
+ axx
+No match
+
+/x{3}yz/
+ axxxyzq
+ 0: xxxyz
+ axxxxyzq
+ 0: xxxyz
+ *** Failers
+No match
+ ax
+No match
+ axx
+No match
+ ayzq
+No match
+ axyzq
+No match
+ axxyz
+No match
+
+/x{2,3}yz/
+ axxyz
+ 0: xxyz
+ axxxyzq
+ 0: xxxyz
+ axxxxyzq
+ 0: xxxyz
+ *** Failers
+No match
+ ax
+No match
+ axx
+No match
+ ayzq
+No match
+ axyzq
+No match
+
+/[^a]+/
+ bac
+ 0: b
+ bcdefax
+ 0: bcdef
+ 1: bcde
+ 2: bcd
+ 3: bc
+ 4: b
+ *** Failers
+ 0: *** F
+ 1: ***
+ 2: ***
+ 3: **
+ 4: *
+ aaaaa
+No match
+
+/[^a]*/
+ bac
+ 0: b
+ 1:
+ bcdefax
+ 0: bcdef
+ 1: bcde
+ 2: bcd
+ 3: bc
+ 4: b
+ 5:
+ *** Failers
+ 0: *** F
+ 1: ***
+ 2: ***
+ 3: **
+ 4: *
+ 5:
+ aaaaa
+ 0:
+
+/[^a]{3,5}/
+ xyz
+ 0: xyz
+ awxyza
+ 0: wxyz
+ 1: wxy
+ abcdefa
+ 0: bcdef
+ 1: bcde
+ 2: bcd
+ abcdefghijk
+ 0: bcdef
+ 1: bcde
+ 2: bcd
+ *** Failers
+ 0: *** F
+ 1: ***
+ 2: ***
+ axya
+No match
+ axa
+No match
+ aaaaa
+No match
+
+/\d*/
+ 1234b567
+ 0: 1234
+ 1: 123
+ 2: 12
+ 3: 1
+ 4:
+ xyz
+ 0:
+
+/\D*/
+ a1234b567
+ 0: a
+ 1:
+ xyz
+ 0: xyz
+ 1: xy
+ 2: x
+ 3:
+
+/\d+/
+ ab1234c56
+ 0: 1234
+ 1: 123
+ 2: 12
+ 3: 1
+ *** Failers
+No match
+ xyz
+No match
+
+/\D+/
+ ab123c56
+ 0: ab
+ 1: a
+ *** Failers
+ 0: *** Failers
+ 1: *** Failer
+ 2: *** Faile
+ 3: *** Fail
+ 4: *** Fai
+ 5: *** Fa
+ 6: *** F
+ 7: ***
+ 8: ***
+ 9: **
+10: *
+ 789
+No match
+
+/\d?A/
+ 045ABC
+ 0: 5A
+ ABC
+ 0: A
+ *** Failers
+No match
+ XYZ
+No match
+
+/\D?A/
+ ABC
+ 0: A
+ BAC
+ 0: BA
+ 9ABC
+ 0: A
+ *** Failers
+No match
+
+/a+/
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+
+/^.*xyz/
+ xyz
+ 0: xyz
+ ggggggggxyz
+ 0: ggggggggxyz
+
+/^.+xyz/
+ abcdxyz
+ 0: abcdxyz
+ axyz
+ 0: axyz
+ *** Failers
+No match
+ xyz
+No match
+
+/^.?xyz/
+ xyz
+ 0: xyz
+ cxyz
+ 0: cxyz
+
+/^\d{2,3}X/
+ 12X
+ 0: 12X
+ 123X
+ 0: 123X
+ *** Failers
+No match
+ X
+No match
+ 1X
+No match
+ 1234X
+No match
+
+/^[abcd]\d/
+ a45
+ 0: a4
+ b93
+ 0: b9
+ c99z
+ 0: c9
+ d04
+ 0: d0
+ *** Failers
+No match
+ e45
+No match
+ abcd
+No match
+ abcd1234
+No match
+ 1234
+No match
+
+/^[abcd]*\d/
+ a45
+ 0: a4
+ b93
+ 0: b9
+ c99z
+ 0: c9
+ d04
+ 0: d0
+ abcd1234
+ 0: abcd1
+ 1234
+ 0: 1
+ *** Failers
+No match
+ e45
+No match
+ abcd
+No match
+
+/^[abcd]+\d/
+ a45
+ 0: a4
+ b93
+ 0: b9
+ c99z
+ 0: c9
+ d04
+ 0: d0
+ abcd1234
+ 0: abcd1
+ *** Failers
+No match
+ 1234
+No match
+ e45
+No match
+ abcd
+No match
+
+/^a+X/
+ aX
+ 0: aX
+ aaX
+ 0: aaX
+
+/^[abcd]?\d/
+ a45
+ 0: a4
+ b93
+ 0: b9
+ c99z
+ 0: c9
+ d04
+ 0: d0
+ 1234
+ 0: 1
+ *** Failers
+No match
+ abcd1234
+No match
+ e45
+No match
+
+/^[abcd]{2,3}\d/
+ ab45
+ 0: ab4
+ bcd93
+ 0: bcd9
+ *** Failers
+No match
+ 1234
+No match
+ a36
+No match
+ abcd1234
+No match
+ ee45
+No match
+
+/^(abc)*\d/
+ abc45
+ 0: abc4
+ abcabcabc45
+ 0: abcabcabc4
+ 42xyz
+ 0: 4
+ *** Failers
+No match
+
+/^(abc)+\d/
+ abc45
+ 0: abc4
+ abcabcabc45
+ 0: abcabcabc4
+ *** Failers
+No match
+ 42xyz
+No match
+
+/^(abc)?\d/
+ abc45
+ 0: abc4
+ 42xyz
+ 0: 4
+ *** Failers
+No match
+ abcabcabc45
+No match
+
+/^(abc){2,3}\d/
+ abcabc45
+ 0: abcabc4
+ abcabcabc45
+ 0: abcabcabc4
+ *** Failers
+No match
+ abcabcabcabc45
+No match
+ abc45
+No match
+ 42xyz
+No match
+
+/1(abc|xyz)2(?1)3/
+ 1abc2abc3456
+ 0: 1abc2abc3
+ 1abc2xyz3456
+ 0: 1abc2xyz3
+
+/^(a*\w|ab)=(a*\w|ab)/
+ ab=ab
+ 0: ab=ab
+ 1: ab=a
+
+/^(a*\w|ab)=(?1)/
+ ab=ab
+ 0: ab=ab
+
+/^([^()]|\((?1)*\))*$/
+ abc
+ 0: abc
+ a(b)c
+ 0: a(b)c
+ a(b(c))d
+ 0: a(b(c))d
+ *** Failers)
+No match
+ a(b(c)d
+No match
+
+/^>abc>([^()]|\((?1)*\))*<xyz<$/
+ >abc>123<xyz<
+ 0: >abc>123<xyz<
+ >abc>1(2)3<xyz<
+ 0: >abc>1(2)3<xyz<
+ >abc>(1(2)3)<xyz<
+ 0: >abc>(1(2)3)<xyz<
+
+/^(?>a*)\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9876
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa9
+ *** Failers
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+
+/< (?: (?(R) \d++ | [^<>]*+) | (?R)) * >/x
+ <>
+ 0: <>
+ <abcd>
+ 0: <abcd>
+ <abc <123> hij>
+ 0: <abc <123> hij>
+ <abc <def> hij>
+ 0: <def>
+ <abc<>def>
+ 0: <abc<>def>
+ <abc<>
+ 0: <>
+ *** Failers
+No match
+ <abc
+No match
+
+/^(?(?=abc)\w{3}:|\d\d)$/
+ abc:
+ 0: abc:
+ 12
+ 0: 12
+ *** Failers
+No match
+ 123
+No match
+ xyz
+No match
+
+/^(?(?!abc)\d\d|\w{3}:)$/
+ abc:
+ 0: abc:
+ 12
+ 0: 12
+ *** Failers
+No match
+ 123
+No match
+ xyz
+No match
+
+/^(?=abc)\w{5}:$/
+ abcde:
+ 0: abcde:
+ *** Failers
+No match
+ abc..
+No match
+ 123
+No match
+ vwxyz
+No match
+
+/^(?!abc)\d\d$/
+ 12
+ 0: 12
+ *** Failers
+No match
+ abcde:
+No match
+ abc..
+No match
+ 123
+No match
+ vwxyz
+No match
+
+/(?<=abc|xy)123/
+ abc12345
+ 0: 123
+ wxy123z
+ 0: 123
+ *** Failers
+No match
+ 123abc
+No match
+
+/(?<!abc|xy)123/
+ 123abc
+ 0: 123
+ mno123456
+ 0: 123
+ *** Failers
+No match
+ abc12345
+No match
+ wxy123z
+No match
+
+/abc(?C1)xyz/
+ abcxyz
+--->abcxyz
+ 1 ^ ^ x
+ 0: abcxyz
+ 123abcxyz999
+--->123abcxyz999
+ 1 ^ ^ x
+ 0: abcxyz
+
+/(ab|cd){3,4}/C
+ ababab
+--->ababab
+ +0 ^ (ab|cd){3,4}
+ +1 ^ a
+ +4 ^ c
+ +2 ^^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +2 ^ ^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +2 ^ ^ b
+ +3 ^ ^ |
++12 ^ ^
+ +1 ^ ^ a
+ +4 ^ ^ c
+ 0: ababab
+ abcdabcd
+--->abcdabcd
+ +0 ^ (ab|cd){3,4}
+ +1 ^ a
+ +4 ^ c
+ +2 ^^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ )
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +2 ^ ^ b
+ +3 ^ ^ |
++12 ^ ^
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ )
++12 ^ ^
+ 0: abcdabcd
+ 1: abcdab
+ abcdcdcdcdcd
+--->abcdcdcdcdcd
+ +0 ^ (ab|cd){3,4}
+ +1 ^ a
+ +4 ^ c
+ +2 ^^ b
+ +3 ^ ^ |
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ )
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ )
++12 ^ ^
+ +1 ^ ^ a
+ +4 ^ ^ c
+ +5 ^ ^ d
+ +6 ^ ^ )
++12 ^ ^
+ 0: abcdcdcd
+ 1: abcdcd
+
+/^abc/
+ abcdef
+ 0: abc
+ *** Failers
+No match
+ abcdef\B
+No match
+
+/^(a*|xyz)/
+ bcd
+ 0:
+ aaabcd
+ 0: aaa
+ 1: aa
+ 2: a
+ 3:
+ xyz
+ 0: xyz
+ 1:
+ xyz\N
+ 0: xyz
+ *** Failers
+ 0:
+ bcd\N
+No match
+
+/xyz$/
+ xyz
+ 0: xyz
+ xyz\n
+ 0: xyz
+ *** Failers
+No match
+ xyz\Z
+No match
+ xyz\n\Z
+No match
+
+/xyz$/m
+ xyz
+ 0: xyz
+ xyz\n
+ 0: xyz
+ abcxyz\npqr
+ 0: xyz
+ abcxyz\npqr\Z
+ 0: xyz
+ xyz\n\Z
+ 0: xyz
+ *** Failers
+No match
+ xyz\Z
+No match
+
+/\Gabc/
+ abcdef
+ 0: abc
+ defabcxyz\>3
+ 0: abc
+ *** Failers
+No match
+ defabcxyz
+No match
+
+/^abcdef/
+ ab\P
+Partial match: ab
+ abcde\P
+Partial match: abcde
+ abcdef\P
+ 0: abcdef
+ *** Failers
+No match
+ abx\P
+No match
+
+/^a{2,4}\d+z/
+ a\P
+Partial match: a
+ aa\P
+Partial match: aa
+ aa2\P
+Partial match: aa2
+ aaa\P
+Partial match: aaa
+ aaa23\P
+Partial match: aaa23
+ aaaa12345\P
+Partial match: aaaa12345
+ aa0z\P
+ 0: aa0z
+ aaaa4444444444444z\P
+ 0: aaaa4444444444444z
+ *** Failers
+No match
+ az\P
+No match
+ aaaaa\P
+No match
+ a56\P
+No match
+
+/^abcdef/
+ abc\P
+Partial match: abc
+ def\R
+ 0: def
+
+/(?<=foo)bar/
+ xyzfo\P
+No match
+ foob\P\>2
+Partial match: b
+ foobar...\R\P\>4
+ 0: ar
+ xyzfo\P
+No match
+ foobar\>2
+ 0: bar
+ *** Failers
+No match
+ xyzfo\P
+No match
+ obar\R
+No match
+
+/(ab*(cd|ef))+X/
+ adfadadaklhlkalkajhlkjahdfasdfasdfladsfjkj\P\Z
+No match
+ lkjhlkjhlkjhlkjhabbbbbbcdaefabbbbbbbefa\P\B\Z
+Partial match: abbbbbbcdaefabbbbbbbefa
+ cdabbbbbbbb\P\R\B\Z
+Partial match: cdabbbbbbbb
+ efabbbbbbbbbbbbbbbb\P\R\B\Z
+Partial match: efabbbbbbbbbbbbbbbb
+ bbbbbbbbbbbbcdXyasdfadf\P\R\B\Z
+ 0: bbbbbbbbbbbbcdX
+
+/(a|b)/SF>testsavedregex
+Compiled regex written to testsavedregex
+Study data written to testsavedregex
+<testsavedregex
+Compiled regex (byte-inverted) loaded from testsavedregex
+Study data loaded from testsavedregex
+ abc
+ 0: a
+ ** Failers
+ 0: a
+ def
+No match
+
+/the quick brown fox/
+ the quick brown fox
+ 0: the quick brown fox
+ The quick brown FOX
+No match
+ What do you know about the quick brown fox?
+ 0: the quick brown fox
+ What do you know about THE QUICK BROWN FOX?
+No match
+
+/The quick brown fox/i
+ the quick brown fox
+ 0: the quick brown fox
+ The quick brown FOX
+ 0: The quick brown FOX
+ What do you know about the quick brown fox?
+ 0: the quick brown fox
+ What do you know about THE QUICK BROWN FOX?
+ 0: THE QUICK BROWN FOX
+
+/abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/
+ abcd\t\n\r\f\a\e9;\$\\?caxyz
+ 0: abcd\x09\x0a\x0d\x0c\x07\x1b9;$\?caxyz
+
+/a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/
+ abxyzpqrrrabbxyyyypqAzz
+ 0: abxyzpqrrrabbxyyyypqAzz
+ abxyzpqrrrabbxyyyypqAzz
+ 0: abxyzpqrrrabbxyyyypqAzz
+ aabxyzpqrrrabbxyyyypqAzz
+ 0: aabxyzpqrrrabbxyyyypqAzz
+ aaabxyzpqrrrabbxyyyypqAzz
+ 0: aaabxyzpqrrrabbxyyyypqAzz
+ aaaabxyzpqrrrabbxyyyypqAzz
+ 0: aaaabxyzpqrrrabbxyyyypqAzz
+ abcxyzpqrrrabbxyyyypqAzz
+ 0: abcxyzpqrrrabbxyyyypqAzz
+ aabcxyzpqrrrabbxyyyypqAzz
+ 0: aabcxyzpqrrrabbxyyyypqAzz
+ aaabcxyzpqrrrabbxyyyypAzz
+ 0: aaabcxyzpqrrrabbxyyyypAzz
+ aaabcxyzpqrrrabbxyyyypqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqAzz
+ aaabcxyzpqrrrabbxyyyypqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqqqqAzz
+ aaabcxyzpqrrrabbxyyyypqqqqqqAzz
+ 0: aaabcxyzpqrrrabbxyyyypqqqqqqAzz
+ aaaabcxyzpqrrrabbxyyyypqAzz
+ 0: aaaabcxyzpqrrrabbxyyyypqAzz
+ abxyzzpqrrrabbxyyyypqAzz
+ 0: abxyzzpqrrrabbxyyyypqAzz
+ aabxyzzzpqrrrabbxyyyypqAzz
+ 0: aabxyzzzpqrrrabbxyyyypqAzz
+ aaabxyzzzzpqrrrabbxyyyypqAzz
+ 0: aaabxyzzzzpqrrrabbxyyyypqAzz
+ aaaabxyzzzzpqrrrabbxyyyypqAzz
+ 0: aaaabxyzzzzpqrrrabbxyyyypqAzz
+ abcxyzzpqrrrabbxyyyypqAzz
+ 0: abcxyzzpqrrrabbxyyyypqAzz
+ aabcxyzzzpqrrrabbxyyyypqAzz
+ 0: aabcxyzzzpqrrrabbxyyyypqAzz
+ aaabcxyzzzzpqrrrabbxyyyypqAzz
+ 0: aaabcxyzzzzpqrrrabbxyyyypqAzz
+ aaaabcxyzzzzpqrrrabbxyyyypqAzz
+ 0: aaaabcxyzzzzpqrrrabbxyyyypqAzz
+ aaaabcxyzzzzpqrrrabbbxyyyypqAzz
+ 0: aaaabcxyzzzzpqrrrabbbxyyyypqAzz
+ aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
+ 0: aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
+ aaabcxyzpqrrrabbxyyyypABzz
+ 0: aaabcxyzpqrrrabbxyyyypABzz
+ aaabcxyzpqrrrabbxyyyypABBzz
+ 0: aaabcxyzpqrrrabbxyyyypABBzz
+ >>>aaabxyzpqrrrabbxyyyypqAzz
+ 0: aaabxyzpqrrrabbxyyyypqAzz
+ >aaaabxyzpqrrrabbxyyyypqAzz
+ 0: aaaabxyzpqrrrabbxyyyypqAzz
+ >>>>abcxyzpqrrrabbxyyyypqAzz
+ 0: abcxyzpqrrrabbxyyyypqAzz
+ *** Failers
+No match
+ abxyzpqrrabbxyyyypqAzz
+No match
+ abxyzpqrrrrabbxyyyypqAzz
+No match
+ abxyzpqrrrabxyyyypqAzz
+No match
+ aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz
+No match
+ aaaabcxyzzzzpqrrrabbbxyyypqAzz
+No match
+ aaabcxyzpqrrrabbxyyyypqqqqqqqAzz
+No match
+
+/^(abc){1,2}zz/
+ abczz
+ 0: abczz
+ abcabczz
+ 0: abcabczz
+ *** Failers
+No match
+ zz
+No match
+ abcabcabczz
+No match
+ >>abczz
+No match
+
+/^(b+?|a){1,2}?c/
+ bc
+ 0: bc
+ bbc
+ 0: bbc
+ bbbc
+ 0: bbbc
+ bac
+ 0: bac
+ bbac
+ 0: bbac
+ aac
+ 0: aac
+ abbbbbbbbbbbc
+ 0: abbbbbbbbbbbc
+ bbbbbbbbbbbac
+ 0: bbbbbbbbbbbac
+ *** Failers
+No match
+ aaac
+No match
+ abbbbbbbbbbbac
+No match
+
+/^(b+|a){1,2}c/
+ bc
+ 0: bc
+ bbc
+ 0: bbc
+ bbbc
+ 0: bbbc
+ bac
+ 0: bac
+ bbac
+ 0: bbac
+ aac
+ 0: aac
+ abbbbbbbbbbbc
+ 0: abbbbbbbbbbbc
+ bbbbbbbbbbbac
+ 0: bbbbbbbbbbbac
+ *** Failers
+No match
+ aaac
+No match
+ abbbbbbbbbbbac
+No match
+
+/^(b+|a){1,2}?bc/
+ bbc
+ 0: bbc
+
+/^(b*|ba){1,2}?bc/
+ babc
+ 0: babc
+ bbabc
+ 0: bbabc
+ bababc
+ 0: bababc
+ *** Failers
+No match
+ bababbc
+No match
+ babababc
+No match
+
+/^(ba|b*){1,2}?bc/
+ babc
+ 0: babc
+ bbabc
+ 0: bbabc
+ bababc
+ 0: bababc
+ *** Failers
+No match
+ bababbc
+No match
+ babababc
+No match
+
+/^\ca\cA\c[\c{\c:/
+ \x01\x01\e;z
+ 0: \x01\x01\x1b;z
+
+/^[ab\]cde]/
+ athing
+ 0: a
+ bthing
+ 0: b
+ ]thing
+ 0: ]
+ cthing
+ 0: c
+ dthing
+ 0: d
+ ething
+ 0: e
+ *** Failers
+No match
+ fthing
+No match
+ [thing
+No match
+ \\thing
+No match
+
+/^[]cde]/
+ ]thing
+ 0: ]
+ cthing
+ 0: c
+ dthing
+ 0: d
+ ething
+ 0: e
+ *** Failers
+No match
+ athing
+No match
+ fthing
+No match
+
+/^[^ab\]cde]/
+ fthing
+ 0: f
+ [thing
+ 0: [
+ \\thing
+ 0: \
+ *** Failers
+ 0: *
+ athing
+No match
+ bthing
+No match
+ ]thing
+No match
+ cthing
+No match
+ dthing
+No match
+ ething
+No match
+
+/^[^]cde]/
+ athing
+ 0: a
+ fthing
+ 0: f
+ *** Failers
+ 0: *
+ ]thing
+No match
+ cthing
+No match
+ dthing
+No match
+ ething
+No match
+
+/^\�/
+ �
+ 0: \x81
+
+/^�/
+ �
+ 0: \xff
+
+/^[0-9]+$/
+ 0
+ 0: 0
+ 1
+ 0: 1
+ 2
+ 0: 2
+ 3
+ 0: 3
+ 4
+ 0: 4
+ 5
+ 0: 5
+ 6
+ 0: 6
+ 7
+ 0: 7
+ 8
+ 0: 8
+ 9
+ 0: 9
+ 10
+ 0: 10
+ 100
+ 0: 100
+ *** Failers
+No match
+ abc
+No match
+
+/^.*nter/
+ enter
+ 0: enter
+ inter
+ 0: inter
+ uponter
+ 0: uponter
+
+/^xxx[0-9]+$/
+ xxx0
+ 0: xxx0
+ xxx1234
+ 0: xxx1234
+ *** Failers
+No match
+ xxx
+No match
+
+/^.+[0-9][0-9][0-9]$/
+ x123
+ 0: x123
+ xx123
+ 0: xx123
+ 123456
+ 0: 123456
+ *** Failers
+No match
+ 123
+No match
+ x1234
+ 0: x1234
+
+/^.+?[0-9][0-9][0-9]$/
+ x123
+ 0: x123
+ xx123
+ 0: xx123
+ 123456
+ 0: 123456
+ *** Failers
+No match
+ 123
+No match
+ x1234
+ 0: x1234
+
+/^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/
+ abc!pqr=apquxz.ixr.zzz.ac.uk
+ 0: abc!pqr=apquxz.ixr.zzz.ac.uk
+ *** Failers
+No match
+ !pqr=apquxz.ixr.zzz.ac.uk
+No match
+ abc!=apquxz.ixr.zzz.ac.uk
+No match
+ abc!pqr=apquxz:ixr.zzz.ac.uk
+No match
+ abc!pqr=apquxz.ixr.zzz.ac.ukk
+No match
+
+/:/
+ Well, we need a colon: somewhere
+ 0: :
+ *** Fail if we don't
+No match
+
+/([\da-f:]+)$/i
+ 0abc
+ 0: 0abc
+ abc
+ 0: abc
+ fed
+ 0: fed
+ E
+ 0: E
+ ::
+ 0: ::
+ 5f03:12C0::932e
+ 0: 5f03:12C0::932e
+ fed def
+ 0: def
+ Any old stuff
+ 0: ff
+ *** Failers
+No match
+ 0zzz
+No match
+ gzzz
+No match
+ fed\x20
+No match
+ Any old rubbish
+No match
+
+/^.*\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/
+ .1.2.3
+ 0: .1.2.3
+ A.12.123.0
+ 0: A.12.123.0
+ *** Failers
+No match
+ .1.2.3333
+No match
+ 1.2.3
+No match
+ 1234.2.3
+No match
+
+/^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/
+ 1 IN SOA non-sp1 non-sp2(
+ 0: 1 IN SOA non-sp1 non-sp2(
+ 1 IN SOA non-sp1 non-sp2 (
+ 0: 1 IN SOA non-sp1 non-sp2 (
+ *** Failers
+No match
+ 1IN SOA non-sp1 non-sp2(
+No match
+
+/^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/
+ a.
+ 0: a.
+ Z.
+ 0: Z.
+ 2.
+ 0: 2.
+ ab-c.pq-r.
+ 0: ab-c.pq-r.
+ sxk.zzz.ac.uk.
+ 0: sxk.zzz.ac.uk.
+ x-.y-.
+ 0: x-.y-.
+ *** Failers
+No match
+ -abc.peq.
+No match
+
+/^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/
+ *.a
+ 0: *.a
+ *.b0-a
+ 0: *.b0-a
+ *.c3-b.c
+ 0: *.c3-b.c
+ *.c-a.b-c
+ 0: *.c-a.b-c
+ *** Failers
+No match
+ *.0
+No match
+ *.a-
+No match
+ *.a-b.c-
+No match
+ *.c-a.0-c
+No match
+
+/^(?=ab(de))(abd)(e)/
+ abde
+ 0: abde
+
+/^(?!(ab)de|x)(abd)(f)/
+ abdf
+ 0: abdf
+
+/^(?=(ab(cd)))(ab)/
+ abcd
+ 0: ab
+
+/^[\da-f](\.[\da-f])*$/i
+ a.b.c.d
+ 0: a.b.c.d
+ A.B.C.D
+ 0: A.B.C.D
+ a.b.c.1.2.3.C
+ 0: a.b.c.1.2.3.C
+
+/^\".*\"\s*(;.*)?$/
+ \"1234\"
+ 0: "1234"
+ \"abcd\" ;
+ 0: "abcd" ;
+ \"\" ; rhubarb
+ 0: "" ; rhubarb
+ *** Failers
+No match
+ \"1234\" : things
+No match
+
+/^$/
+ \
+ 0:
+ *** Failers
+No match
+
+/ ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/x
+ ab c
+ 0: ab c
+ *** Failers
+No match
+ abc
+No match
+ ab cde
+No match
+
+/(?x) ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/
+ ab c
+ 0: ab c
+ *** Failers
+No match
+ abc
+No match
+ ab cde
+No match
+
+/^ a\ b[c ]d $/x
+ a bcd
+ 0: a bcd
+ a b d
+ 0: a b d
+ *** Failers
+No match
+ abcd
+No match
+ ab d
+No match
+
+/^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/
+ abcdefhijklm
+ 0: abcdefhijklm
+
+/^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/
+ abcdefhijklm
+ 0: abcdefhijklm
+
+/^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/
+ a+ Z0+\x08\n\x1d\x12
+ 0: a+ Z0+\x08\x0a\x1d\x12
+
+/^[.^$|()*+?{,}]+/
+ .^\$(*+)|{?,?}
+ 0: .^$(*+)|{?,?}
+ 1: .^$(*+)|{?,?
+ 2: .^$(*+)|{?,
+ 3: .^$(*+)|{?
+ 4: .^$(*+)|{
+ 5: .^$(*+)|
+ 6: .^$(*+)
+ 7: .^$(*+
+ 8: .^$(*
+ 9: .^$(
+10: .^$
+11: .^
+12: .
+
+/^a*\w/
+ z
+ 0: z
+ az
+ 0: az
+ 1: a
+ aaaz
+ 0: aaaz
+ 1: aaa
+ 2: aa
+ 3: a
+ a
+ 0: a
+ aa
+ 0: aa
+ 1: a
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+ a+
+ 0: a
+ aa+
+ 0: aa
+ 1: a
+
+/^a*?\w/
+ z
+ 0: z
+ az
+ 0: az
+ 1: a
+ aaaz
+ 0: aaaz
+ 1: aaa
+ 2: aa
+ 3: a
+ a
+ 0: a
+ aa
+ 0: aa
+ 1: a
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+ a+
+ 0: a
+ aa+
+ 0: aa
+ 1: a
+
+/^a+\w/
+ az
+ 0: az
+ aaaz
+ 0: aaaz
+ 1: aaa
+ 2: aa
+ aa
+ 0: aa
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ aa+
+ 0: aa
+
+/^a+?\w/
+ az
+ 0: az
+ aaaz
+ 0: aaaz
+ 1: aaa
+ 2: aa
+ aa
+ 0: aa
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ aa+
+ 0: aa
+
+/^\d{8}\w{2,}/
+ 1234567890
+ 0: 1234567890
+ 12345678ab
+ 0: 12345678ab
+ 12345678__
+ 0: 12345678__
+ *** Failers
+No match
+ 1234567
+No match
+
+/^[aeiou\d]{4,5}$/
+ uoie
+ 0: uoie
+ 1234
+ 0: 1234
+ 12345
+ 0: 12345
+ aaaaa
+ 0: aaaaa
+ *** Failers
+No match
+ 123456
+No match
+
+/^[aeiou\d]{4,5}?/
+ uoie
+ 0: uoie
+ 1234
+ 0: 1234
+ 12345
+ 0: 12345
+ 1: 1234
+ aaaaa
+ 0: aaaaa
+ 1: aaaa
+ 123456
+ 0: 12345
+ 1: 1234
+
+/^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]/
+ From abcd Mon Sep 01 12:33:02 1997
+ 0: From abcd Mon Sep 01 12:33
+
+/^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/
+ From abcd Mon Sep 01 12:33:02 1997
+ 0: From abcd Mon Sep 01 12:33
+ From abcd Mon Sep 1 12:33:02 1997
+ 0: From abcd Mon Sep 1 12:33
+ *** Failers
+No match
+ From abcd Sep 01 12:33:02 1997
+No match
+
+/^12.34/s
+ 12\n34
+ 0: 12\x0a34
+ 12\r34
+ 0: 12\x0d34
+
+/\w+(?=\t)/
+ the quick brown\t fox
+ 0: brown
+
+/foo(?!bar)(.*)/
+ foobar is foolish see?
+ 0: foolish see?
+ 1: foolish see
+ 2: foolish se
+ 3: foolish s
+ 4: foolish
+ 5: foolish
+ 6: foolis
+ 7: fooli
+ 8: fool
+ 9: foo
+
+/(?:(?!foo)...|^.{0,2})bar(.*)/
+ foobar crowbar etc
+ 0: rowbar etc
+ 1: rowbar et
+ 2: rowbar e
+ 3: rowbar
+ 4: rowbar
+ barrel
+ 0: barrel
+ 1: barre
+ 2: barr
+ 3: bar
+ 2barrel
+ 0: 2barrel
+ 1: 2barre
+ 2: 2barr
+ 3: 2bar
+ A barrel
+ 0: A barrel
+ 1: A barre
+ 2: A barr
+ 3: A bar
+
+/^(\D*)(?=\d)(?!123)/
+ abc456
+ 0: abc
+ *** Failers
+No match
+ abc123
+No match
+
+/^1234(?# test newlines
+ inside)/
+ 1234
+ 0: 1234
+
+/^1234 #comment in extended re
+ /x
+ 1234
+ 0: 1234
+
+/#rhubarb
+ abcd/x
+ abcd
+ 0: abcd
+
+/^abcd#rhubarb/x
+ abcd
+ 0: abcd
+
+/(?!^)abc/
+ the abc
+ 0: abc
+ *** Failers
+No match
+ abc
+No match
+
+/(?=^)abc/
+ abc
+ 0: abc
+ *** Failers
+No match
+ the abc
+No match
+
+/^[ab]{1,3}(ab*|b)/
+ aabbbbb
+ 0: aabbbbb
+ 1: aabbbb
+ 2: aabbb
+ 3: aabb
+ 4: aab
+ 5: aa
+
+/^[ab]{1,3}?(ab*|b)/
+ aabbbbb
+ 0: aabbbbb
+ 1: aabbbb
+ 2: aabbb
+ 3: aabb
+ 4: aab
+ 5: aa
+
+/^[ab]{1,3}?(ab*?|b)/
+ aabbbbb
+ 0: aabbbbb
+ 1: aabbbb
+ 2: aabbb
+ 3: aabb
+ 4: aab
+ 5: aa
+
+/^[ab]{1,3}(ab*?|b)/
+ aabbbbb
+ 0: aabbbbb
+ 1: aabbbb
+ 2: aabbb
+ 3: aabb
+ 4: aab
+ 5: aa
+
+/ (?: [\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
+/x
+ Alan Other <user\@dom.ain>
+ 0: Alan Other <[email protected]>
+ <user\@dom.ain>
+ 0: [email protected]
+ 1: user@dom
+ user\@dom.ain
+ 0: [email protected]
+ 1: user@dom
+ \"A. Other\" <user.1234\@dom.ain> (a comment)
+ 0: "A. Other" <[email protected]> (a comment)
+ 1: "A. Other" <[email protected]>
+ 2: "A. Other" <[email protected]>
+ A. Other <user.1234\@dom.ain> (a comment)
+ 0: Other <[email protected]> (a comment)
+ 1: Other <[email protected]>
+ 2: Other <[email protected]>
+ \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
+ 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay
+ 1: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re
+ A missing angle <user\@some.where
+ 0: [email protected]
+ 1: user@some
+ *** Failers
+No match
+ The quick brown fox
+No match
+
+/[\040\t]* # Nab whitespace.
+(?:
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: # (
+(?: \\ [^\x80-\xff] |
+\( # (
+[^\\\x80-\xff\n\015()] * # normal*
+(?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
+\) # )
+) # 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
+)
+/x
+ Alan Other <user\@dom.ain>
+ 0: Alan Other <[email protected]>
+ <user\@dom.ain>
+ 0: [email protected]
+ 1: user@dom
+ user\@dom.ain
+ 0: [email protected]
+ 1: user@dom
+ \"A. Other\" <user.1234\@dom.ain> (a comment)
+ 0: "A. Other" <[email protected]>
+ A. Other <user.1234\@dom.ain> (a comment)
+ 0: Other <[email protected]>
+ \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
+ 0: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re.lay
+ 1: "/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/"@x400-re
+ A missing angle <user\@some.where
+ 0: [email protected]
+ 1: user@some
+ *** Failers
+No match
+ The quick brown fox
+No match
+
+/abc\0def\00pqr\000xyz\0000AB/
+ abc\0def\00pqr\000xyz\0000AB
+ 0: abc\x00def\x00pqr\x00xyz\x000AB
+ abc456 abc\0def\00pqr\000xyz\0000ABCDE
+ 0: abc\x00def\x00pqr\x00xyz\x000AB
+
+/abc\x0def\x00pqr\x000xyz\x0000AB/
+ abc\x0def\x00pqr\x000xyz\x0000AB
+ 0: abc\x0def\x00pqr\x000xyz\x0000AB
+ abc456 abc\x0def\x00pqr\x000xyz\x0000ABCDE
+ 0: abc\x0def\x00pqr\x000xyz\x0000AB
+
+/^[\000-\037]/
+ \0A
+ 0: \x00
+ \01B
+ 0: \x01
+ \037C
+ 0: \x1f
+
+/\0*/
+ \0\0\0\0
+ 0: \x00\x00\x00\x00
+ 1: \x00\x00\x00
+ 2: \x00\x00
+ 3: \x00
+ 4:
+
+/A\x0{2,3}Z/
+ The A\x0\x0Z
+ 0: A\x00\x00Z
+ An A\0\x0\0Z
+ 0: A\x00\x00\x00Z
+ *** Failers
+No match
+ A\0Z
+No match
+ A\0\x0\0\x0Z
+No match
+
+/^\s/
+ \040abc
+ 0:
+ \x0cabc
+ 0: \x0c
+ \nabc
+ 0: \x0a
+ \rabc
+ 0: \x0d
+ \tabc
+ 0: \x09
+ *** Failers
+No match
+ abc
+No match
+
+/^a b
+ c/x
+ abc
+ 0: abc
+
+/ab{1,3}bc/
+ abbbbc
+ 0: abbbbc
+ abbbc
+ 0: abbbc
+ abbc
+ 0: abbc
+ *** Failers
+No match
+ abc
+No match
+ abbbbbc
+No match
+
+/([^.]*)\.([^:]*):[T ]+(.*)/
+ track1.title:TBlah blah blah
+ 0: track1.title:TBlah blah blah
+ 1: track1.title:TBlah blah bla
+ 2: track1.title:TBlah blah bl
+ 3: track1.title:TBlah blah b
+ 4: track1.title:TBlah blah
+ 5: track1.title:TBlah blah
+ 6: track1.title:TBlah bla
+ 7: track1.title:TBlah bl
+ 8: track1.title:TBlah b
+ 9: track1.title:TBlah
+10: track1.title:TBlah
+11: track1.title:TBla
+12: track1.title:TBl
+13: track1.title:TB
+14: track1.title:T
+
+/([^.]*)\.([^:]*):[T ]+(.*)/i
+ track1.title:TBlah blah blah
+ 0: track1.title:TBlah blah blah
+ 1: track1.title:TBlah blah bla
+ 2: track1.title:TBlah blah bl
+ 3: track1.title:TBlah blah b
+ 4: track1.title:TBlah blah
+ 5: track1.title:TBlah blah
+ 6: track1.title:TBlah bla
+ 7: track1.title:TBlah bl
+ 8: track1.title:TBlah b
+ 9: track1.title:TBlah
+10: track1.title:TBlah
+11: track1.title:TBla
+12: track1.title:TBl
+13: track1.title:TB
+14: track1.title:T
+
+/([^.]*)\.([^:]*):[t ]+(.*)/i
+ track1.title:TBlah blah blah
+ 0: track1.title:TBlah blah blah
+ 1: track1.title:TBlah blah bla
+ 2: track1.title:TBlah blah bl
+ 3: track1.title:TBlah blah b
+ 4: track1.title:TBlah blah
+ 5: track1.title:TBlah blah
+ 6: track1.title:TBlah bla
+ 7: track1.title:TBlah bl
+ 8: track1.title:TBlah b
+ 9: track1.title:TBlah
+10: track1.title:TBlah
+11: track1.title:TBla
+12: track1.title:TBl
+13: track1.title:TB
+14: track1.title:T
+
+/^[W-c]+$/
+ WXY_^abc
+ 0: WXY_^abc
+ *** Failers
+No match
+ wxy
+No match
+
+/^[W-c]+$/i
+ WXY_^abc
+ 0: WXY_^abc
+ wxy_^ABC
+ 0: wxy_^ABC
+
+/^[\x3f-\x5F]+$/i
+ WXY_^abc
+ 0: WXY_^abc
+ wxy_^ABC
+ 0: wxy_^ABC
+
+/^abc$/m
+ abc
+ 0: abc
+ qqq\nabc
+ 0: abc
+ abc\nzzz
+ 0: abc
+ qqq\nabc\nzzz
+ 0: abc
+
+/^abc$/
+ abc
+ 0: abc
+ *** Failers
+No match
+ qqq\nabc
+No match
+ abc\nzzz
+No match
+ qqq\nabc\nzzz
+No match
+
+/\Aabc\Z/m
+ abc
+ 0: abc
+ abc\n
+ 0: abc
+ *** Failers
+No match
+ qqq\nabc
+No match
+ abc\nzzz
+No match
+ qqq\nabc\nzzz
+No match
+
+/\A(.)*\Z/s
+ abc\ndef
+ 0: abc\x0adef
+
+/\A(.)*\Z/m
+ *** Failers
+ 0: *** Failers
+ abc\ndef
+No match
+
+/(?:b)|(?::+)/
+ b::c
+ 0: b
+ c::b
+ 0: ::
+ 1: :
+
+/[-az]+/
+ az-
+ 0: az-
+ 1: az
+ 2: a
+ *** Failers
+ 0: a
+ b
+No match
+
+/[az-]+/
+ za-
+ 0: za-
+ 1: za
+ 2: z
+ *** Failers
+ 0: a
+ b
+No match
+
+/[a\-z]+/
+ a-z
+ 0: a-z
+ 1: a-
+ 2: a
+ *** Failers
+ 0: a
+ b
+No match
+
+/[a-z]+/
+ abcdxyz
+ 0: abcdxyz
+ 1: abcdxy
+ 2: abcdx
+ 3: abcd
+ 4: abc
+ 5: ab
+ 6: a
+
+/[\d-]+/
+ 12-34
+ 0: 12-34
+ 1: 12-3
+ 2: 12-
+ 3: 12
+ 4: 1
+ *** Failers
+No match
+ aaa
+No match
+
+/[\d-z]+/
+ 12-34z
+ 0: 12-34z
+ 1: 12-34
+ 2: 12-3
+ 3: 12-
+ 4: 12
+ 5: 1
+ *** Failers
+No match
+ aaa
+No match
+
+/\x5c/
+ \\
+ 0: \
+
+/\x20Z/
+ the Zoo
+ 0: Z
+ *** Failers
+No match
+ Zulu
+No match
+
+/ab{3cd/
+ ab{3cd
+ 0: ab{3cd
+
+/ab{3,cd/
+ ab{3,cd
+ 0: ab{3,cd
+
+/ab{3,4a}cd/
+ ab{3,4a}cd
+ 0: ab{3,4a}cd
+
+/{4,5a}bc/
+ {4,5a}bc
+ 0: {4,5a}bc
+
+/^a.b/<lf>
+ a\rb
+ 0: a\x0db
+ *** Failers
+No match
+ a\nb
+No match
+
+/abc$/
+ abc
+ 0: abc
+ abc\n
+ 0: abc
+ *** Failers
+No match
+ abc\ndef
+No match
+
+/(abc)\123/
+ abc\x53
+ 0: abcS
+
+/(abc)\223/
+ abc\x93
+ 0: abc\x93
+
+/(abc)\323/
+ abc\xd3
+ 0: abc\xd3
+
+/(abc)\100/
+ abc\x40
+ 0: abc@
+ abc\100
+ 0: abc@
+
+/(abc)\1000/
+ abc\x400
+ 0: abc@0
+ abc\x40\x30
+ 0: abc@0
+ abc\1000
+ 0: abc@0
+ abc\100\x30
+ 0: abc@0
+ abc\100\060
+ 0: abc@0
+ abc\100\60
+ 0: abc@0
+
+/abc\81/
+ abc\081
+ 0: abc\x0081
+ abc\0\x38\x31
+ 0: abc\x0081
+
+/abc\91/
+ abc\091
+ 0: abc\x0091
+ abc\0\x39\x31
+ 0: abc\x0091
+
+/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/
+ abcdefghijk\12S
+ 0: abcdefghijk\x0aS
+
+/ab\idef/
+ abidef
+ 0: abidef
+
+/a{0}bc/
+ bc
+ 0: bc
+
+/(a|(bc)){0,0}?xyz/
+ xyz
+ 0: xyz
+
+/abc[\10]de/
+ abc\010de
+ 0: abc\x08de
+
+/abc[\1]de/
+ abc\1de
+ 0: abc\x01de
+
+/(abc)[\1]de/
+ abc\1de
+ 0: abc\x01de
+
+/(?s)a.b/
+ a\nb
+ 0: a\x0ab
+
+/^([^a])([^\b])([^c]*)([^d]{3,4})/
+ baNOTccccd
+ 0: baNOTcccc
+ 1: baNOTccc
+ 2: baNOTcc
+ 3: baNOTc
+ 4: baNOT
+ baNOTcccd
+ 0: baNOTccc
+ 1: baNOTcc
+ 2: baNOTc
+ 3: baNOT
+ baNOTccd
+ 0: baNOTcc
+ 1: baNOTc
+ 2: baNOT
+ bacccd
+ 0: baccc
+ *** Failers
+ 0: *** Failers
+ 1: *** Failer
+ 2: *** Faile
+ 3: *** Fail
+ 4: *** Fai
+ 5: *** Fa
+ 6: *** F
+ anything
+No match
+ b\bc
+No match
+ baccd
+No match
+
+/[^a]/
+ Abc
+ 0: A
+
+/[^a]/i
+ Abc
+ 0: b
+
+/[^a]+/
+ AAAaAbc
+ 0: AAA
+ 1: AA
+ 2: A
+
+/[^a]+/i
+ AAAaAbc
+ 0: bc
+ 1: b
+
+/[^a]+/
+ bbb\nccc
+ 0: bbb\x0accc
+ 1: bbb\x0acc
+ 2: bbb\x0ac
+ 3: bbb\x0a
+ 4: bbb
+ 5: bb
+ 6: b
+
+/[^k]$/
+ abc
+ 0: c
+ *** Failers
+ 0: s
+ abk
+No match
+
+/[^k]{2,3}$/
+ abc
+ 0: abc
+ kbc
+ 0: bc
+ kabc
+ 0: abc
+ *** Failers
+ 0: ers
+ abk
+No match
+ akb
+No match
+ akk
+No match
+
+/^\d{8,}\@.+[^k]$/
+ 12345678\@a.b.c.d
+ 0: [email protected]
+ 123456789\@x.y.z
+ 0: [email protected]
+ *** Failers
+No match
+ 12345678\@x.y.uk
+No match
+ 1234567\@a.b.c.d
+No match
+
+/[^a]/
+ aaaabcd
+ 0: b
+ aaAabcd
+ 0: A
+
+/[^a]/i
+ aaaabcd
+ 0: b
+ aaAabcd
+ 0: b
+
+/[^az]/
+ aaaabcd
+ 0: b
+ aaAabcd
+ 0: A
+
+/[^az]/i
+ aaaabcd
+ 0: b
+ aaAabcd
+ 0: b
+
+/\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377/
+ \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377
+ 0: \x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff
+
+/P[^*]TAIRE[^*]{1,6}?LL/
+ xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
+ 0: PSTAIREISLL
+
+/P[^*]TAIRE[^*]{1,}?LL/
+ xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
+ 0: PSTAIREISLL
+
+/(\.\d\d[1-9]?)\d+/
+ 1.230003938
+ 0: .230003938
+ 1: .23000393
+ 2: .2300039
+ 3: .230003
+ 4: .23000
+ 5: .2300
+ 6: .230
+ 1.875000282
+ 0: .875000282
+ 1: .87500028
+ 2: .8750002
+ 3: .875000
+ 4: .87500
+ 5: .8750
+ 6: .875
+ 1.235
+ 0: .235
+
+/(\.\d\d((?=0)|\d(?=\d)))/
+ 1.230003938
+ 0: .230
+ 1: .23
+ 1.875000282
+ 0: .875
+ *** Failers
+No match
+ 1.235
+No match
+
+/a(?)b/
+ ab
+ 0: ab
+
+/\b(foo)\s+(\w+)/i
+ Food is on the foo table
+ 0: foo table
+ 1: foo tabl
+ 2: foo tab
+ 3: foo ta
+ 4: foo t
+
+/foo(.*)bar/
+ The food is under the bar in the barn.
+ 0: food is under the bar in the bar
+ 1: food is under the bar
+
+/foo(.*?)bar/
+ The food is under the bar in the barn.
+ 0: food is under the bar in the bar
+ 1: food is under the bar
+
+/(.*)(\d*)/
+ I have 2 numbers: 53147
+Matched, but too many subsidiary matches
+ 0: I have 2 numbers: 53147
+ 1: I have 2 numbers: 5314
+ 2: I have 2 numbers: 531
+ 3: I have 2 numbers: 53
+ 4: I have 2 numbers: 5
+ 5: I have 2 numbers:
+ 6: I have 2 numbers:
+ 7: I have 2 numbers
+ 8: I have 2 number
+ 9: I have 2 numbe
+10: I have 2 numb
+11: I have 2 num
+12: I have 2 nu
+13: I have 2 n
+14: I have 2
+15: I have 2
+16: I have
+17: I have
+18: I hav
+19: I ha
+20: I h
+21: I
+
+/(.*)(\d+)/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+ 1: I have 2 numbers: 5314
+ 2: I have 2 numbers: 531
+ 3: I have 2 numbers: 53
+ 4: I have 2 numbers: 5
+ 5: I have 2
+
+/(.*?)(\d*)/
+ I have 2 numbers: 53147
+Matched, but too many subsidiary matches
+ 0: I have 2 numbers: 53147
+ 1: I have 2 numbers: 5314
+ 2: I have 2 numbers: 531
+ 3: I have 2 numbers: 53
+ 4: I have 2 numbers: 5
+ 5: I have 2 numbers:
+ 6: I have 2 numbers:
+ 7: I have 2 numbers
+ 8: I have 2 number
+ 9: I have 2 numbe
+10: I have 2 numb
+11: I have 2 num
+12: I have 2 nu
+13: I have 2 n
+14: I have 2
+15: I have 2
+16: I have
+17: I have
+18: I hav
+19: I ha
+20: I h
+21: I
+
+/(.*?)(\d+)/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+ 1: I have 2 numbers: 5314
+ 2: I have 2 numbers: 531
+ 3: I have 2 numbers: 53
+ 4: I have 2 numbers: 5
+ 5: I have 2
+
+/(.*)(\d+)$/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+
+/(.*?)(\d+)$/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+
+/(.*)\b(\d+)$/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+
+/(.*\D)(\d+)$/
+ I have 2 numbers: 53147
+ 0: I have 2 numbers: 53147
+
+/^\D*(?!123)/
+ ABC123
+ 0: AB
+ 1: A
+ 2:
+
+/^(\D*)(?=\d)(?!123)/
+ ABC445
+ 0: ABC
+ *** Failers
+No match
+ ABC123
+No match
+
+/^[W-]46]/
+ W46]789
+ 0: W46]
+ -46]789
+ 0: -46]
+ *** Failers
+No match
+ Wall
+No match
+ Zebra
+No match
+ 42
+No match
+ [abcd]
+No match
+ ]abcd[
+No match
+
+/^[W-\]46]/
+ W46]789
+ 0: W
+ Wall
+ 0: W
+ Zebra
+ 0: Z
+ Xylophone
+ 0: X
+ 42
+ 0: 4
+ [abcd]
+ 0: [
+ ]abcd[
+ 0: ]
+ \\backslash
+ 0: \
+ *** Failers
+No match
+ -46]789
+No match
+ well
+No match
+
+/\d\d\/\d\d\/\d\d\d\d/
+ 01/01/2000
+ 0: 01/01/2000
+
+/word (?:[a-zA-Z0-9]+ ){0,10}otherword/
+ word cat dog elephant mussel cow horse canary baboon snake shark otherword
+ 0: word cat dog elephant mussel cow horse canary baboon snake shark otherword
+ word cat dog elephant mussel cow horse canary baboon snake shark
+No match
+
+/word (?:[a-zA-Z0-9]+ ){0,300}otherword/
+ 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
+No match
+
+/^(a){0,0}/
+ bcd
+ 0:
+ abc
+ 0:
+ aab
+ 0:
+
+/^(a){0,1}/
+ bcd
+ 0:
+ abc
+ 0: a
+ 1:
+ aab
+ 0: a
+ 1:
+
+/^(a){0,2}/
+ bcd
+ 0:
+ abc
+ 0: a
+ 1:
+ aab
+ 0: aa
+ 1: a
+ 2:
+
+/^(a){0,3}/
+ bcd
+ 0:
+ abc
+ 0: a
+ 1:
+ aab
+ 0: aa
+ 1: a
+ 2:
+ aaa
+ 0: aaa
+ 1: aa
+ 2: a
+ 3:
+
+/^(a){0,}/
+ bcd
+ 0:
+ abc
+ 0: a
+ 1:
+ aab
+ 0: aa
+ 1: a
+ 2:
+ aaa
+ 0: aaa
+ 1: aa
+ 2: a
+ 3:
+ aaaaaaaa
+ 0: aaaaaaaa
+ 1: aaaaaaa
+ 2: aaaaaa
+ 3: aaaaa
+ 4: aaaa
+ 5: aaa
+ 6: aa
+ 7: a
+ 8:
+
+/^(a){1,1}/
+ bcd
+No match
+ abc
+ 0: a
+ aab
+ 0: a
+
+/^(a){1,2}/
+ bcd
+No match
+ abc
+ 0: a
+ aab
+ 0: aa
+ 1: a
+
+/^(a){1,3}/
+ bcd
+No match
+ abc
+ 0: a
+ aab
+ 0: aa
+ 1: a
+ aaa
+ 0: aaa
+ 1: aa
+ 2: a
+
+/^(a){1,}/
+ bcd
+No match
+ abc
+ 0: a
+ aab
+ 0: aa
+ 1: a
+ aaa
+ 0: aaa
+ 1: aa
+ 2: a
+ aaaaaaaa
+ 0: aaaaaaaa
+ 1: aaaaaaa
+ 2: aaaaaa
+ 3: aaaaa
+ 4: aaaa
+ 5: aaa
+ 6: aa
+ 7: a
+
+/.*\.gif/
+ borfle\nbib.gif\nno
+ 0: bib.gif
+
+/.{0,}\.gif/
+ borfle\nbib.gif\nno
+ 0: bib.gif
+
+/.*\.gif/m
+ borfle\nbib.gif\nno
+ 0: bib.gif
+
+/.*\.gif/s
+ borfle\nbib.gif\nno
+ 0: borfle\x0abib.gif
+
+/.*\.gif/ms
+ borfle\nbib.gif\nno
+ 0: borfle\x0abib.gif
+
+/.*$/
+ borfle\nbib.gif\nno
+ 0: no
+
+/.*$/m
+ borfle\nbib.gif\nno
+ 0: borfle
+
+/.*$/s
+ borfle\nbib.gif\nno
+ 0: borfle\x0abib.gif\x0ano
+
+/.*$/ms
+ borfle\nbib.gif\nno
+ 0: borfle\x0abib.gif\x0ano
+ 1: borfle\x0abib.gif
+ 2: borfle
+
+/.*$/
+ borfle\nbib.gif\nno\n
+ 0: no
+
+/.*$/m
+ borfle\nbib.gif\nno\n
+ 0: borfle
+
+/.*$/s
+ borfle\nbib.gif\nno\n
+ 0: borfle\x0abib.gif\x0ano\x0a
+ 1: borfle\x0abib.gif\x0ano
+
+/.*$/ms
+ borfle\nbib.gif\nno\n
+ 0: borfle\x0abib.gif\x0ano\x0a
+ 1: borfle\x0abib.gif\x0ano
+ 2: borfle\x0abib.gif
+ 3: borfle
+
+/(.*X|^B)/
+ abcde\n1234Xyz
+ 0: 1234X
+ BarFoo
+ 0: B
+ *** Failers
+No match
+ abcde\nBar
+No match
+
+/(.*X|^B)/m
+ abcde\n1234Xyz
+ 0: 1234X
+ BarFoo
+ 0: B
+ abcde\nBar
+ 0: B
+
+/(.*X|^B)/s
+ abcde\n1234Xyz
+ 0: abcde\x0a1234X
+ BarFoo
+ 0: B
+ *** Failers
+No match
+ abcde\nBar
+No match
+
+/(.*X|^B)/ms
+ abcde\n1234Xyz
+ 0: abcde\x0a1234X
+ BarFoo
+ 0: B
+ abcde\nBar
+ 0: B
+
+/(?s)(.*X|^B)/
+ abcde\n1234Xyz
+ 0: abcde\x0a1234X
+ BarFoo
+ 0: B
+ *** Failers
+No match
+ abcde\nBar
+No match
+
+/(?s:.*X|^B)/
+ abcde\n1234Xyz
+ 0: abcde\x0a1234X
+ BarFoo
+ 0: B
+ *** Failers
+No match
+ abcde\nBar
+No match
+
+/^.*B/
+ **** Failers
+No match
+ abc\nB
+No match
+
+/(?s)^.*B/
+ abc\nB
+ 0: abc\x0aB
+
+/(?m)^.*B/
+ abc\nB
+ 0: B
+
+/(?ms)^.*B/
+ abc\nB
+ 0: abc\x0aB
+
+/(?ms)^B/
+ abc\nB
+ 0: B
+
+/(?s)B$/
+ B\n
+ 0: B
+
+/^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/
+ 123456654321
+ 0: 123456654321
+
+/^\d\d\d\d\d\d\d\d\d\d\d\d/
+ 123456654321
+ 0: 123456654321
+
+/^[\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d]/
+ 123456654321
+ 0: 123456654321
+
+/^[abc]{12}/
+ abcabcabcabc
+ 0: abcabcabcabc
+
+/^[a-c]{12}/
+ abcabcabcabc
+ 0: abcabcabcabc
+
+/^(a|b|c){12}/
+ abcabcabcabc
+ 0: abcabcabcabc
+
+/^[abcdefghijklmnopqrstuvwxy0123456789]/
+ n
+ 0: n
+ *** Failers
+No match
+ z
+No match
+
+/abcde{0,0}/
+ abcd
+ 0: abcd
+ *** Failers
+No match
+ abce
+No match
+
+/ab[cd]{0,0}e/
+ abe
+ 0: abe
+ *** Failers
+No match
+ abcde
+No match
+
+/ab(c){0,0}d/
+ abd
+ 0: abd
+ *** Failers
+No match
+ abcd
+No match
+
+/a(b*)/
+ a
+ 0: a
+ ab
+ 0: ab
+ 1: a
+ abbbb
+ 0: abbbb
+ 1: abbb
+ 2: abb
+ 3: ab
+ 4: a
+ *** Failers
+ 0: a
+ bbbbb
+No match
+
+/ab\d{0}e/
+ abe
+ 0: abe
+ *** Failers
+No match
+ ab1e
+No match
+
+/"([^\\"]+|\\.)*"/
+ the \"quick\" brown fox
+ 0: "quick"
+ \"the \\\"quick\\\" brown fox\"
+ 0: "the \"quick\" brown fox"
+
+/.*?/g+
+ abc
+ 0: abc
+ 0+
+ 1: ab
+ 2: a
+ 3:
+ 0:
+ 0+
+
+/\b/g+
+ abc
+ 0:
+ 0+ abc
+ 0:
+ 0+
+
+/\b/+g
+ abc
+ 0:
+ 0+ abc
+ 0:
+ 0+
+
+//g
+ abc
+ 0:
+ 0:
+ 0:
+ 0:
+
+/<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is
+ <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
+ 0: <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
+
+/a[^a]b/
+ acb
+ 0: acb
+ a\nb
+ 0: a\x0ab
+
+/a.b/
+ acb
+ 0: acb
+ *** Failers
+No match
+ a\nb
+No match
+
+/a[^a]b/s
+ acb
+ 0: acb
+ a\nb
+ 0: a\x0ab
+
+/a.b/s
+ acb
+ 0: acb
+ a\nb
+ 0: a\x0ab
+
+/^(b+?|a){1,2}?c/
+ bac
+ 0: bac
+ bbac
+ 0: bbac
+ bbbac
+ 0: bbbac
+ bbbbac
+ 0: bbbbac
+ bbbbbac
+ 0: bbbbbac
+
+/^(b+|a){1,2}?c/
+ bac
+ 0: bac
+ bbac
+ 0: bbac
+ bbbac
+ 0: bbbac
+ bbbbac
+ 0: bbbbac
+ bbbbbac
+ 0: bbbbbac
+
+/(?!\A)x/m
+ x\nb\n
+No match
+ a\bx\n
+ 0: x
+
+/\x0{ab}/
+ \0{ab}
+ 0: \x00{ab}
+
+/(A|B)*?CD/
+ CD
+ 0: CD
+
+/(A|B)*CD/
+ CD
+ 0: CD
+
+/(?<!bar)foo/
+ foo
+ 0: foo
+ catfood
+ 0: foo
+ arfootle
+ 0: foo
+ rfoosh
+ 0: foo
+ *** Failers
+No match
+ barfoo
+No match
+ towbarfoo
+No match
+
+/\w{3}(?<!bar)foo/
+ catfood
+ 0: catfoo
+ *** Failers
+No match
+ foo
+No match
+ barfoo
+No match
+ towbarfoo
+No match
+
+/(?<=(foo)a)bar/
+ fooabar
+ 0: bar
+ *** Failers
+No match
+ bar
+No match
+ foobbar
+No match
+
+/\Aabc\z/m
+ abc
+ 0: abc
+ *** Failers
+No match
+ abc\n
+No match
+ qqq\nabc
+No match
+ abc\nzzz
+No match
+ qqq\nabc\nzzz
+No match
+
+"(?>.*/)foo"
+ /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/
+No match
+
+"(?>.*/)foo"
+ /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
+ 0: /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
+
+/(?>(\.\d\d[1-9]?))\d+/
+ 1.230003938
+ 0: .230003938
+ 1: .23000393
+ 2: .2300039
+ 3: .230003
+ 4: .23000
+ 5: .2300
+ 6: .230
+ 1.875000282
+ 0: .875000282
+ 1: .87500028
+ 2: .8750002
+ 3: .875000
+ 4: .87500
+ 5: .8750
+ *** Failers
+No match
+ 1.235
+No match
+
+/^((?>\w+)|(?>\s+))*$/
+ now is the time for all good men to come to the aid of the party
+ 0: now is the time for all good men to come to the aid of the party
+ *** Failers
+No match
+ this is not a line with only words and spaces!
+No match
+
+/(\d+)(\w)/
+ 12345a
+ 0: 12345a
+ 1: 12345
+ 2: 1234
+ 3: 123
+ 4: 12
+ 12345+
+ 0: 12345
+ 1: 1234
+ 2: 123
+ 3: 12
+
+/((?>\d+))(\w)/
+ 12345a
+ 0: 12345a
+ *** Failers
+No match
+ 12345+
+No match
+
+/(?>a+)b/
+ aaab
+ 0: aaab
+
+/((?>a+)b)/
+ aaab
+ 0: aaab
+
+/(?>(a+))b/
+ aaab
+ 0: aaab
+
+/(?>b)+/
+ aaabbbccc
+ 0: bbb
+ 1: bb
+ 2: b
+
+/(?>a+|b+|c+)*c/
+ aaabbbbccccd
+ 0: aaabbbbcccc
+ 1: aaabbbbc
+
+/(a+|b+|c+)*c/
+ aaabbbbccccd
+ 0: aaabbbbcccc
+ 1: aaabbbbccc
+ 2: aaabbbbcc
+ 3: aaabbbbc
+
+/((?>[^()]+)|\([^()]*\))+/
+ ((abc(ade)ufh()()x
+ 0: abc(ade)ufh()()x
+ 1: abc(ade)ufh()()
+ 2: abc(ade)ufh()
+ 3: abc(ade)ufh
+ 4: abc(ade)
+ 5: abc
+
+/\(((?>[^()]+)|\([^()]+\))+\)/
+ (abc)
+ 0: (abc)
+ (abc(def)xyz)
+ 0: (abc(def)xyz)
+ *** Failers
+No match
+ ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+
+/a(?-i)b/i
+ ab
+ 0: ab
+ Ab
+ 0: Ab
+ *** Failers
+No match
+ aB
+No match
+ AB
+No match
+
+/(a (?x)b c)d e/
+ a bcd e
+ 0: a bcd e
+ *** Failers
+No match
+ a b cd e
+No match
+ abcd e
+No match
+ a bcde
+No match
+
+/(a b(?x)c d (?-x)e f)/
+ a bcde f
+ 0: a bcde f
+ *** Failers
+No match
+ abcdef
+No match
+
+/(a(?i)b)c/
+ abc
+ 0: abc
+ aBc
+ 0: aBc
+ *** Failers
+No match
+ abC
+No match
+ aBC
+No match
+ Abc
+No match
+ ABc
+No match
+ ABC
+No match
+ AbC
+No match
+
+/a(?i:b)c/
+ abc
+ 0: abc
+ aBc
+ 0: aBc
+ *** Failers
+No match
+ ABC
+No match
+ abC
+No match
+ aBC
+No match
+
+/a(?i:b)*c/
+ aBc
+ 0: aBc
+ aBBc
+ 0: aBBc
+ *** Failers
+No match
+ aBC
+No match
+ aBBC
+No match
+
+/a(?=b(?i)c)\w\wd/
+ abcd
+ 0: abcd
+ abCd
+ 0: abCd
+ *** Failers
+No match
+ aBCd
+No match
+ abcD
+No match
+
+/(?s-i:more.*than).*million/i
+ more than million
+ 0: more than million
+ more than MILLION
+ 0: more than MILLION
+ more \n than Million
+ 0: more \x0a than Million
+ *** Failers
+No match
+ MORE THAN MILLION
+No match
+ more \n than \n million
+No match
+
+/(?:(?s-i)more.*than).*million/i
+ more than million
+ 0: more than million
+ more than MILLION
+ 0: more than MILLION
+ more \n than Million
+ 0: more \x0a than Million
+ *** Failers
+No match
+ MORE THAN MILLION
+No match
+ more \n than \n million
+No match
+
+/(?>a(?i)b+)+c/
+ abc
+ 0: abc
+ aBbc
+ 0: aBbc
+ aBBc
+ 0: aBBc
+ *** Failers
+No match
+ Abc
+No match
+ abAb
+No match
+ abbC
+No match
+
+/(?=a(?i)b)\w\wc/
+ abc
+ 0: abc
+ aBc
+ 0: aBc
+ *** Failers
+No match
+ Ab
+No match
+ abC
+No match
+ aBC
+No match
+
+/(?<=a(?i)b)(\w\w)c/
+ abxxc
+ 0: xxc
+ aBxxc
+ 0: xxc
+ *** Failers
+No match
+ Abxxc
+No match
+ ABxxc
+No match
+ abxxC
+No match
+
+/^(?(?=abc)\w{3}:|\d\d)$/
+ abc:
+ 0: abc:
+ 12
+ 0: 12
+ *** Failers
+No match
+ 123
+No match
+ xyz
+No match
+
+/^(?(?!abc)\d\d|\w{3}:)$/
+ abc:
+ 0: abc:
+ 12
+ 0: 12
+ *** Failers
+No match
+ 123
+No match
+ xyz
+No match
+
+/(?(?<=foo)bar|cat)/
+ foobar
+ 0: bar
+ cat
+ 0: cat
+ fcat
+ 0: cat
+ focat
+ 0: cat
+ *** Failers
+No match
+ foocat
+No match
+
+/(?(?<!foo)cat|bar)/
+ foobar
+ 0: bar
+ cat
+ 0: cat
+ fcat
+ 0: cat
+ focat
+ 0: cat
+ *** Failers
+No match
+ foocat
+No match
+
+/(?>a*)*/
+ a
+ 0: a
+ 1:
+ aa
+ 0: aa
+ 1:
+ aaaa
+ 0: aaaa
+ 1:
+
+/(abc|)+/
+ abc
+ 0: abc
+ 1:
+ abcabc
+ 0: abcabc
+ 1: abc
+ 2:
+ abcabcabc
+ 0: abcabcabc
+ 1: abcabc
+ 2: abc
+ 3:
+ xyz
+ 0:
+
+/([a]*)*/
+ a
+ 0: a
+ 1:
+ aaaaa
+ 0: aaaaa
+ 1: aaaa
+ 2: aaa
+ 3: aa
+ 4: a
+ 5:
+
+/([ab]*)*/
+ a
+ 0: a
+ 1:
+ b
+ 0: b
+ 1:
+ ababab
+ 0: ababab
+ 1: ababa
+ 2: abab
+ 3: aba
+ 4: ab
+ 5: a
+ 6:
+ aaaabcde
+ 0: aaaab
+ 1: aaaa
+ 2: aaa
+ 3: aa
+ 4: a
+ 5:
+ bbbb
+ 0: bbbb
+ 1: bbb
+ 2: bb
+ 3: b
+ 4:
+
+/([^a]*)*/
+ b
+ 0: b
+ 1:
+ bbbb
+ 0: bbbb
+ 1: bbb
+ 2: bb
+ 3: b
+ 4:
+ aaa
+ 0:
+
+/([^ab]*)*/
+ cccc
+ 0: cccc
+ 1: ccc
+ 2: cc
+ 3: c
+ 4:
+ abab
+ 0:
+
+/([a]*?)*/
+ a
+ 0: a
+ 1:
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+ 4:
+
+/([ab]*?)*/
+ a
+ 0: a
+ 1:
+ b
+ 0: b
+ 1:
+ abab
+ 0: abab
+ 1: aba
+ 2: ab
+ 3: a
+ 4:
+ baba
+ 0: baba
+ 1: bab
+ 2: ba
+ 3: b
+ 4:
+
+/([^a]*?)*/
+ b
+ 0: b
+ 1:
+ bbbb
+ 0: bbbb
+ 1: bbb
+ 2: bb
+ 3: b
+ 4:
+ aaa
+ 0:
+
+/([^ab]*?)*/
+ c
+ 0: c
+ 1:
+ cccc
+ 0: cccc
+ 1: ccc
+ 2: cc
+ 3: c
+ 4:
+ baba
+ 0:
+
+/(?>a*)*/
+ a
+ 0: a
+ 1:
+ aaabcde
+ 0: aaa
+ 1:
+
+/((?>a*))*/
+ aaaaa
+ 0: aaaaa
+ 1:
+ aabbaa
+ 0: aa
+ 1:
+
+/((?>a*?))*/
+ aaaaa
+ 0: aaaaa
+ 1:
+ aabbaa
+ 0: aa
+ 1:
+
+/(?(?=[^a-z]+[a-z]) \d{2}-[a-z]{3}-\d{2} | \d{2}-\d{2}-\d{2} ) /x
+ 12-sep-98
+ 0: 12-sep-98
+ 12-09-98
+ 0: 12-09-98
+ *** Failers
+No match
+ sep-12-98
+No match
+
+/(?i:saturday|sunday)/
+ saturday
+ 0: saturday
+ sunday
+ 0: sunday
+ Saturday
+ 0: Saturday
+ Sunday
+ 0: Sunday
+ SATURDAY
+ 0: SATURDAY
+ SUNDAY
+ 0: SUNDAY
+ SunDay
+ 0: SunDay
+
+/(a(?i)bc|BB)x/
+ abcx
+ 0: abcx
+ aBCx
+ 0: aBCx
+ bbx
+ 0: bbx
+ BBx
+ 0: BBx
+ *** Failers
+No match
+ abcX
+No match
+ aBCX
+No match
+ bbX
+No match
+ BBX
+No match
+
+/^([ab](?i)[cd]|[ef])/
+ ac
+ 0: ac
+ aC
+ 0: aC
+ bD
+ 0: bD
+ elephant
+ 0: e
+ Europe
+ 0: E
+ frog
+ 0: f
+ France
+ 0: F
+ *** Failers
+No match
+ Africa
+No match
+
+/^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/
+ ab
+ 0: ab
+ aBd
+ 0: aBd
+ xy
+ 0: xy
+ xY
+ 0: xY
+ zebra
+ 0: z
+ Zambesi
+ 0: Z
+ *** Failers
+No match
+ aCD
+No match
+ XY
+No match
+
+/(?<=foo\n)^bar/m
+ foo\nbar
+ 0: bar
+ *** Failers
+No match
+ bar
+No match
+ baz\nbar
+No match
+
+/(?<=(?<!foo)bar)baz/
+ barbaz
+ 0: baz
+ barbarbaz
+ 0: baz
+ koobarbaz
+ 0: baz
+ *** Failers
+No match
+ baz
+No match
+ foobarbaz
+No match
+
+/The following tests are taken from the Perl 5.005 test suite; some of them/
+/are compatible with 5.004, but I'd rather not have to sort them out./
+No match
+
+/abc/
+ abc
+ 0: abc
+ xabcy
+ 0: abc
+ ababc
+ 0: abc
+ *** Failers
+No match
+ xbc
+No match
+ axc
+No match
+ abx
+No match
+
+/ab*c/
+ abc
+ 0: abc
+
+/ab*bc/
+ abc
+ 0: abc
+ abbc
+ 0: abbc
+ abbbbc
+ 0: abbbbc
+
+/.{1}/
+ abbbbc
+ 0: a
+
+/.{3,4}/
+ abbbbc
+ 0: abbb
+ 1: abb
+
+/ab{0,}bc/
+ abbbbc
+ 0: abbbbc
+
+/ab+bc/
+ abbc
+ 0: abbc
+ *** Failers
+No match
+ abc
+No match
+ abq
+No match
+
+/ab{1,}bc/
+
+/ab+bc/
+ abbbbc
+ 0: abbbbc
+
+/ab{1,}bc/
+ abbbbc
+ 0: abbbbc
+
+/ab{1,3}bc/
+ abbbbc
+ 0: abbbbc
+
+/ab{3,4}bc/
+ abbbbc
+ 0: abbbbc
+
+/ab{4,5}bc/
+ *** Failers
+No match
+ abq
+No match
+ abbbbc
+No match
+
+/ab?bc/
+ abbc
+ 0: abbc
+ abc
+ 0: abc
+
+/ab{0,1}bc/
+ abc
+ 0: abc
+
+/ab?bc/
+
+/ab?c/
+ abc
+ 0: abc
+
+/ab{0,1}c/
+ abc
+ 0: abc
+
+/^abc$/
+ abc
+ 0: abc
+ *** Failers
+No match
+ abbbbc
+No match
+ abcc
+No match
+
+/^abc/
+ abcc
+ 0: abc
+
+/^abc$/
+
+/abc$/
+ aabc
+ 0: abc
+ *** Failers
+No match
+ aabc
+ 0: abc
+ aabcd
+No match
+
+/^/
+ abc
+ 0:
+
+/$/
+ abc
+ 0:
+
+/a.c/
+ abc
+ 0: abc
+ axc
+ 0: axc
+
+/a.*c/
+ axyzc
+ 0: axyzc
+
+/a[bc]d/
+ abd
+ 0: abd
+ *** Failers
+No match
+ axyzd
+No match
+ abc
+No match
+
+/a[b-d]e/
+ ace
+ 0: ace
+
+/a[b-d]/
+ aac
+ 0: ac
+
+/a[-b]/
+ a-
+ 0: a-
+
+/a[b-]/
+ a-
+ 0: a-
+
+/a]/
+ a]
+ 0: a]
+
+/a[]]b/
+ a]b
+ 0: a]b
+
+/a[^bc]d/
+ aed
+ 0: aed
+ *** Failers
+No match
+ abd
+No match
+ abd
+No match
+
+/a[^-b]c/
+ adc
+ 0: adc
+
+/a[^]b]c/
+ adc
+ 0: adc
+ *** Failers
+No match
+ a-c
+ 0: a-c
+ a]c
+No match
+
+/\ba\b/
+ a-
+ 0: a
+ -a
+ 0: a
+ -a-
+ 0: a
+
+/\by\b/
+ *** Failers
+No match
+ xy
+No match
+ yz
+No match
+ xyz
+No match
+
+/\Ba\B/
+ *** Failers
+ 0: a
+ a-
+No match
+ -a
+No match
+ -a-
+No match
+
+/\By\b/
+ xy
+ 0: y
+
+/\by\B/
+ yz
+ 0: y
+
+/\By\B/
+ xyz
+ 0: y
+
+/\w/
+ a
+ 0: a
+
+/\W/
+ -
+ 0: -
+ *** Failers
+ 0: *
+ -
+ 0: -
+ a
+No match
+
+/a\sb/
+ a b
+ 0: a b
+
+/a\Sb/
+ a-b
+ 0: a-b
+ *** Failers
+No match
+ a-b
+ 0: a-b
+ a b
+No match
+
+/\d/
+ 1
+ 0: 1
+
+/\D/
+ -
+ 0: -
+ *** Failers
+ 0: *
+ -
+ 0: -
+ 1
+No match
+
+/[\w]/
+ a
+ 0: a
+
+/[\W]/
+ -
+ 0: -
+ *** Failers
+ 0: *
+ -
+ 0: -
+ a
+No match
+
+/a[\s]b/
+ a b
+ 0: a b
+
+/a[\S]b/
+ a-b
+ 0: a-b
+ *** Failers
+No match
+ a-b
+ 0: a-b
+ a b
+No match
+
+/[\d]/
+ 1
+ 0: 1
+
+/[\D]/
+ -
+ 0: -
+ *** Failers
+ 0: *
+ -
+ 0: -
+ 1
+No match
+
+/ab|cd/
+ abc
+ 0: ab
+ abcd
+ 0: ab
+
+/()ef/
+ def
+ 0: ef
+
+/$b/
+
+/a\(b/
+ a(b
+ 0: a(b
+
+/a\(*b/
+ ab
+ 0: ab
+ a((b
+ 0: a((b
+
+/a\\b/
+ a\b
+No match
+
+/((a))/
+ abc
+ 0: a
+
+/(a)b(c)/
+ abc
+ 0: abc
+
+/a+b+c/
+ aabbabc
+ 0: abc
+
+/a{1,}b{1,}c/
+ aabbabc
+ 0: abc
+
+/a.+?c/
+ abcabc
+ 0: abcabc
+ 1: abc
+
+/(a+|b)*/
+ ab
+ 0: ab
+ 1: a
+ 2:
+
+/(a+|b){0,}/
+ ab
+ 0: ab
+ 1: a
+ 2:
+
+/(a+|b)+/
+ ab
+ 0: ab
+ 1: a
+
+/(a+|b){1,}/
+ ab
+ 0: ab
+ 1: a
+
+/(a+|b)?/
+ ab
+ 0: a
+ 1:
+
+/(a+|b){0,1}/
+ ab
+ 0: a
+ 1:
+
+/[^ab]*/
+ cde
+ 0: cde
+ 1: cd
+ 2: c
+ 3:
+
+/abc/
+ *** Failers
+No match
+ b
+No match
+
+
+/a*/
+
+
+/([abc])*d/
+ abbbcd
+ 0: abbbcd
+
+/([abc])*bcd/
+ abcd
+ 0: abcd
+
+/a|b|c|d|e/
+ e
+ 0: e
+
+/(a|b|c|d|e)f/
+ ef
+ 0: ef
+
+/abcd*efg/
+ abcdefg
+ 0: abcdefg
+
+/ab*/
+ xabyabbbz
+ 0: ab
+ 1: a
+ xayabbbz
+ 0: a
+
+/(ab|cd)e/
+ abcde
+ 0: cde
+
+/[abhgefdc]ij/
+ hij
+ 0: hij
+
+/^(ab|cd)e/
+
+/(abc|)ef/
+ abcdef
+ 0: ef
+
+/(a|b)c*d/
+ abcd
+ 0: bcd
+
+/(ab|ab*)bc/
+ abc
+ 0: abc
+
+/a([bc]*)c*/
+ abc
+ 0: abc
+ 1: ab
+ 2: a
+
+/a([bc]*)(c*d)/
+ abcd
+ 0: abcd
+
+/a([bc]+)(c*d)/
+ abcd
+ 0: abcd
+
+/a([bc]*)(c+d)/
+ abcd
+ 0: abcd
+
+/a[bcd]*dcdcde/
+ adcdcde
+ 0: adcdcde
+
+/a[bcd]+dcdcde/
+ *** Failers
+No match
+ abcde
+No match
+ adcdcde
+No match
+
+/(ab|a)b*c/
+ abc
+ 0: abc
+
+/((a)(b)c)(d)/
+ abcd
+ 0: abcd
+
+/[a-zA-Z_][a-zA-Z0-9_]*/
+ alpha
+ 0: alpha
+ 1: alph
+ 2: alp
+ 3: al
+ 4: a
+
+/^a(bc+|b[eh])g|.h$/
+ abh
+ 0: bh
+
+/(bc+d$|ef*g.|h?i(j|k))/
+ effgz
+ 0: effgz
+ ij
+ 0: ij
+ reffgz
+ 0: effgz
+ *** Failers
+No match
+ effg
+No match
+ bcdd
+No match
+
+/((((((((((a))))))))))/
+ a
+ 0: a
+
+/(((((((((a)))))))))/
+ a
+ 0: a
+
+/multiple words of text/
+ *** Failers
+No match
+ aa
+No match
+ uh-uh
+No match
+
+/multiple words/
+ multiple words, yeah
+ 0: multiple words
+
+/(.*)c(.*)/
+ abcde
+ 0: abcde
+ 1: abcd
+ 2: abc
+
+/\((.*), (.*)\)/
+ (a, b)
+ 0: (a, b)
+
+/[k]/
+
+/abcd/
+ abcd
+ 0: abcd
+
+/a(bc)d/
+ abcd
+ 0: abcd
+
+/a[-]?c/
+ ac
+ 0: ac
+
+/abc/i
+ ABC
+ 0: ABC
+ XABCY
+ 0: ABC
+ ABABC
+ 0: ABC
+ *** Failers
+No match
+ aaxabxbaxbbx
+No match
+ XBC
+No match
+ AXC
+No match
+ ABX
+No match
+
+/ab*c/i
+ ABC
+ 0: ABC
+
+/ab*bc/i
+ ABC
+ 0: ABC
+ ABBC
+ 0: ABBC
+
+/ab*?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{0,}?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab+?bc/i
+ ABBC
+ 0: ABBC
+
+/ab+bc/i
+ *** Failers
+No match
+ ABC
+No match
+ ABQ
+No match
+
+/ab{1,}bc/i
+
+/ab+bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{1,}?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{1,3}?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{3,4}?bc/i
+ ABBBBC
+ 0: ABBBBC
+
+/ab{4,5}?bc/i
+ *** Failers
+No match
+ ABQ
+No match
+ ABBBBC
+No match
+
+/ab??bc/i
+ ABBC
+ 0: ABBC
+ ABC
+ 0: ABC
+
+/ab{0,1}?bc/i
+ ABC
+ 0: ABC
+
+/ab??bc/i
+
+/ab??c/i
+ ABC
+ 0: ABC
+
+/ab{0,1}?c/i
+ ABC
+ 0: ABC
+
+/^abc$/i
+ ABC
+ 0: ABC
+ *** Failers
+No match
+ ABBBBC
+No match
+ ABCC
+No match
+
+/^abc/i
+ ABCC
+ 0: ABC
+
+/^abc$/i
+
+/abc$/i
+ AABC
+ 0: ABC
+
+/^/i
+ ABC
+ 0:
+
+/$/i
+ ABC
+ 0:
+
+/a.c/i
+ ABC
+ 0: ABC
+ AXC
+ 0: AXC
+
+/a.*?c/i
+ AXYZC
+ 0: AXYZC
+
+/a.*c/i
+ *** Failers
+No match
+ AABC
+ 0: AABC
+ AXYZD
+No match
+
+/a[bc]d/i
+ ABD
+ 0: ABD
+
+/a[b-d]e/i
+ ACE
+ 0: ACE
+ *** Failers
+No match
+ ABC
+No match
+ ABD
+No match
+
+/a[b-d]/i
+ AAC
+ 0: AC
+
+/a[-b]/i
+ A-
+ 0: A-
+
+/a[b-]/i
+ A-
+ 0: A-
+
+/a]/i
+ A]
+ 0: A]
+
+/a[]]b/i
+ A]B
+ 0: A]B
+
+/a[^bc]d/i
+ AED
+ 0: AED
+
+/a[^-b]c/i
+ ADC
+ 0: ADC
+ *** Failers
+No match
+ ABD
+No match
+ A-C
+No match
+
+/a[^]b]c/i
+ ADC
+ 0: ADC
+
+/ab|cd/i
+ ABC
+ 0: AB
+ ABCD
+ 0: AB
+
+/()ef/i
+ DEF
+ 0: EF
+
+/$b/i
+ *** Failers
+No match
+ A]C
+No match
+ B
+No match
+
+/a\(b/i
+ A(B
+ 0: A(B
+
+/a\(*b/i
+ AB
+ 0: AB
+ A((B
+ 0: A((B
+
+/a\\b/i
+ A\B
+No match
+
+/((a))/i
+ ABC
+ 0: A
+
+/(a)b(c)/i
+ ABC
+ 0: ABC
+
+/a+b+c/i
+ AABBABC
+ 0: ABC
+
+/a{1,}b{1,}c/i
+ AABBABC
+ 0: ABC
+
+/a.+?c/i
+ ABCABC
+ 0: ABCABC
+ 1: ABC
+
+/a.*?c/i
+ ABCABC
+ 0: ABCABC
+ 1: ABC
+
+/a.{0,5}?c/i
+ ABCABC
+ 0: ABCABC
+ 1: ABC
+
+/(a+|b)*/i
+ AB
+ 0: AB
+ 1: A
+ 2:
+
+/(a+|b){0,}/i
+ AB
+ 0: AB
+ 1: A
+ 2:
+
+/(a+|b)+/i
+ AB
+ 0: AB
+ 1: A
+
+/(a+|b){1,}/i
+ AB
+ 0: AB
+ 1: A
+
+/(a+|b)?/i
+ AB
+ 0: A
+ 1:
+
+/(a+|b){0,1}/i
+ AB
+ 0: A
+ 1:
+
+/(a+|b){0,1}?/i
+ AB
+ 0: A
+ 1:
+
+/[^ab]*/i
+ CDE
+ 0: CDE
+ 1: CD
+ 2: C
+ 3:
+
+/abc/i
+
+/a*/i
+
+
+/([abc])*d/i
+ ABBBCD
+ 0: ABBBCD
+
+/([abc])*bcd/i
+ ABCD
+ 0: ABCD
+
+/a|b|c|d|e/i
+ E
+ 0: E
+
+/(a|b|c|d|e)f/i
+ EF
+ 0: EF
+
+/abcd*efg/i
+ ABCDEFG
+ 0: ABCDEFG
+
+/ab*/i
+ XABYABBBZ
+ 0: AB
+ 1: A
+ XAYABBBZ
+ 0: A
+
+/(ab|cd)e/i
+ ABCDE
+ 0: CDE
+
+/[abhgefdc]ij/i
+ HIJ
+ 0: HIJ
+
+/^(ab|cd)e/i
+ ABCDE
+No match
+
+/(abc|)ef/i
+ ABCDEF
+ 0: EF
+
+/(a|b)c*d/i
+ ABCD
+ 0: BCD
+
+/(ab|ab*)bc/i
+ ABC
+ 0: ABC
+
+/a([bc]*)c*/i
+ ABC
+ 0: ABC
+ 1: AB
+ 2: A
+
+/a([bc]*)(c*d)/i
+ ABCD
+ 0: ABCD
+
+/a([bc]+)(c*d)/i
+ ABCD
+ 0: ABCD
+
+/a([bc]*)(c+d)/i
+ ABCD
+ 0: ABCD
+
+/a[bcd]*dcdcde/i
+ ADCDCDE
+ 0: ADCDCDE
+
+/a[bcd]+dcdcde/i
+
+/(ab|a)b*c/i
+ ABC
+ 0: ABC
+
+/((a)(b)c)(d)/i
+ ABCD
+ 0: ABCD
+
+/[a-zA-Z_][a-zA-Z0-9_]*/i
+ ALPHA
+ 0: ALPHA
+ 1: ALPH
+ 2: ALP
+ 3: AL
+ 4: A
+
+/^a(bc+|b[eh])g|.h$/i
+ ABH
+ 0: BH
+
+/(bc+d$|ef*g.|h?i(j|k))/i
+ EFFGZ
+ 0: EFFGZ
+ IJ
+ 0: IJ
+ REFFGZ
+ 0: EFFGZ
+ *** Failers
+No match
+ ADCDCDE
+No match
+ EFFG
+No match
+ BCDD
+No match
+
+/((((((((((a))))))))))/i
+ A
+ 0: A
+
+/(((((((((a)))))))))/i
+ A
+ 0: A
+
+/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))/i
+ A
+ 0: A
+
+/(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/i
+ C
+ 0: C
+
+/multiple words of text/i
+ *** Failers
+No match
+ AA
+No match
+ UH-UH
+No match
+
+/multiple words/i
+ MULTIPLE WORDS, YEAH
+ 0: MULTIPLE WORDS
+
+/(.*)c(.*)/i
+ ABCDE
+ 0: ABCDE
+ 1: ABCD
+ 2: ABC
+
+/\((.*), (.*)\)/i
+ (A, B)
+ 0: (A, B)
+
+/[k]/i
+
+/abcd/i
+ ABCD
+ 0: ABCD
+
+/a(bc)d/i
+ ABCD
+ 0: ABCD
+
+/a[-]?c/i
+ AC
+ 0: AC
+
+/a(?!b)./
+ abad
+ 0: ad
+
+/a(?=d)./
+ abad
+ 0: ad
+
+/a(?=c|d)./
+ abad
+ 0: ad
+
+/a(?:b|c|d)(.)/
+ ace
+ 0: ace
+
+/a(?:b|c|d)*(.)/
+ ace
+ 0: ace
+ 1: ac
+
+/a(?:b|c|d)+?(.)/
+ ace
+ 0: ace
+ acdbcdbe
+ 0: acdbcdbe
+ 1: acdbcdb
+ 2: acdbcd
+ 3: acdbc
+ 4: acdb
+ 5: acd
+
+/a(?:b|c|d)+(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: acdbcdb
+ 2: acdbcd
+ 3: acdbc
+ 4: acdb
+ 5: acd
+
+/a(?:b|c|d){2}(.)/
+ acdbcdbe
+ 0: acdb
+
+/a(?:b|c|d){4,5}(.)/
+ acdbcdbe
+ 0: acdbcdb
+ 1: acdbcd
+
+/a(?:b|c|d){4,5}?(.)/
+ acdbcdbe
+ 0: acdbcdb
+ 1: acdbcd
+
+/((foo)|(bar))*/
+ foobar
+ 0: foobar
+ 1: foo
+ 2:
+
+/a(?:b|c|d){6,7}(.)/
+ acdbcdbe
+ 0: acdbcdbe
+
+/a(?:b|c|d){6,7}?(.)/
+ acdbcdbe
+ 0: acdbcdbe
+
+/a(?:b|c|d){5,6}(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: acdbcdb
+
+/a(?:b|c|d){5,6}?(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: acdbcdb
+
+/a(?:b|c|d){5,7}(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: acdbcdb
+
+/a(?:b|c|d){5,7}?(.)/
+ acdbcdbe
+ 0: acdbcdbe
+ 1: acdbcdb
+
+/a(?:b|(c|e){1,2}?|d)+?(.)/
+ ace
+ 0: ace
+
+/^(.+)?B/
+ AB
+ 0: AB
+
+/^([^a-z])|(\^)$/
+ .
+ 0: .
+
+/^[<>]&/
+ <&OUT
+ 0: <&
+
+/(?:(f)(o)(o)|(b)(a)(r))*/
+ foobar
+ 0: foobar
+ 1: foo
+ 2:
+
+/(?<=a)b/
+ ab
+ 0: b
+ *** Failers
+No match
+ cb
+No match
+ b
+No match
+
+/(?<!c)b/
+ ab
+ 0: b
+ b
+ 0: b
+ b
+ 0: b
+
+/(?:..)*a/
+ aba
+ 0: aba
+ 1: a
+
+/(?:..)*?a/
+ aba
+ 0: aba
+ 1: a
+
+/^(){3,5}/
+ abc
+ 0:
+
+/^(a+)*ax/
+ aax
+ 0: aax
+
+/^((a|b)+)*ax/
+ aax
+ 0: aax
+
+/^((a|bc)+)*ax/
+ aax
+ 0: aax
+
+/(a|x)*ab/
+ cab
+ 0: ab
+
+/(a)*ab/
+ cab
+ 0: ab
+
+/(?:(?i)a)b/
+ ab
+ 0: ab
+
+/((?i)a)b/
+ ab
+ 0: ab
+
+/(?:(?i)a)b/
+ Ab
+ 0: Ab
+
+/((?i)a)b/
+ Ab
+ 0: Ab
+
+/(?:(?i)a)b/
+ *** Failers
+No match
+ cb
+No match
+ aB
+No match
+
+/((?i)a)b/
+
+/(?i:a)b/
+ ab
+ 0: ab
+
+/((?i:a))b/
+ ab
+ 0: ab
+
+/(?i:a)b/
+ Ab
+ 0: Ab
+
+/((?i:a))b/
+ Ab
+ 0: Ab
+
+/(?i:a)b/
+ *** Failers
+No match
+ aB
+No match
+ aB
+No match
+
+/((?i:a))b/
+
+/(?:(?-i)a)b/i
+ ab
+ 0: ab
+
+/((?-i)a)b/i
+ ab
+ 0: ab
+
+/(?:(?-i)a)b/i
+ aB
+ 0: aB
+
+/((?-i)a)b/i
+ aB
+ 0: aB
+
+/(?:(?-i)a)b/i
+ *** Failers
+No match
+ aB
+ 0: aB
+ Ab
+No match
+
+/((?-i)a)b/i
+
+/(?:(?-i)a)b/i
+ aB
+ 0: aB
+
+/((?-i)a)b/i
+ aB
+ 0: aB
+
+/(?:(?-i)a)b/i
+ *** Failers
+No match
+ Ab
+No match
+ AB
+No match
+
+/((?-i)a)b/i
+
+/(?-i:a)b/i
+ ab
+ 0: ab
+
+/((?-i:a))b/i
+ ab
+ 0: ab
+
+/(?-i:a)b/i
+ aB
+ 0: aB
+
+/((?-i:a))b/i
+ aB
+ 0: aB
+
+/(?-i:a)b/i
+ *** Failers
+No match
+ AB
+No match
+ Ab
+No match
+
+/((?-i:a))b/i
+
+/(?-i:a)b/i
+ aB
+ 0: aB
+
+/((?-i:a))b/i
+ aB
+ 0: aB
+
+/(?-i:a)b/i
+ *** Failers
+No match
+ Ab
+No match
+ AB
+No match
+
+/((?-i:a))b/i
+
+/((?-i:a.))b/i
+ *** Failers
+No match
+ AB
+No match
+ a\nB
+No match
+
+/((?s-i:a.))b/i
+ a\nB
+ 0: a\x0aB
+
+/(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))/
+ cabbbb
+ 0: cabbbb
+
+/(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/
+ caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+ 0: caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+
+/foo\w*\d{4}baz/
+ foobar1234baz
+ 0: foobar1234baz
+
+/x(~~)*(?:(?:F)?)?/
+ x~~
+ 0: x~~
+ 1: x
+
+/^a(?#xxx){3}c/
+ aaac
+ 0: aaac
+
+/^a (?#xxx) (?#yyy) {3}c/x
+ aaac
+ 0: aaac
+
+/(?<![cd])b/
+ *** Failers
+No match
+ B\nB
+No match
+ dbcb
+No match
+
+/(?<![cd])[ab]/
+ dbaacb
+ 0: a
+
+/(?<!(c|d))b/
+
+/(?<!(c|d))[ab]/
+ dbaacb
+ 0: a
+
+/(?<!cd)[ab]/
+ cdaccb
+ 0: b
+
+/^(?:a?b?)*$/
+ *** Failers
+No match
+ dbcb
+No match
+ a--
+No match
+
+/((?s)^a(.))((?m)^b$)/
+ a\nb\nc\n
+ 0: a\x0ab
+
+/((?m)^b$)/
+ a\nb\nc\n
+ 0: b
+
+/(?m)^b/
+ a\nb\n
+ 0: b
+
+/(?m)^(b)/
+ a\nb\n
+ 0: b
+
+/((?m)^b)/
+ a\nb\n
+ 0: b
+
+/\n((?m)^b)/
+ a\nb\n
+ 0: \x0ab
+
+/((?s).)c(?!.)/
+ a\nb\nc\n
+ 0: \x0ac
+ a\nb\nc\n
+ 0: \x0ac
+
+/((?s)b.)c(?!.)/
+ a\nb\nc\n
+ 0: b\x0ac
+ a\nb\nc\n
+ 0: b\x0ac
+
+/^b/
+
+/()^b/
+ *** Failers
+No match
+ a\nb\nc\n
+No match
+ a\nb\nc\n
+No match
+
+/((?m)^b)/
+ a\nb\nc\n
+ 0: b
+
+/(?(?!a)a|b)/
+
+/(?(?!a)b|a)/
+ a
+ 0: a
+
+/(?(?=a)b|a)/
+ *** Failers
+No match
+ a
+No match
+ a
+No match
+
+/(?(?=a)a|b)/
+ a
+ 0: a
+
+/(\w+:)+/
+ one:
+ 0: one:
+
+/$(?<=^(a))/
+ a
+ 0:
+
+/([\w:]+::)?(\w+)$/
+ abcd
+ 0: abcd
+ xy:z:::abcd
+ 0: xy:z:::abcd
+
+/^[^bcd]*(c+)/
+ aexycd
+ 0: aexyc
+
+/(a*)b+/
+ caab
+ 0: aab
+
+/([\w:]+::)?(\w+)$/
+ abcd
+ 0: abcd
+ xy:z:::abcd
+ 0: xy:z:::abcd
+ *** Failers
+ 0: Failers
+ abcd:
+No match
+ abcd:
+No match
+
+/^[^bcd]*(c+)/
+ aexycd
+ 0: aexyc
+
+/(>a+)ab/
+
+/(?>a+)b/
+ aaab
+ 0: aaab
+
+/([[:]+)/
+ a:[b]:
+ 0: :[
+ 1: :
+
+/([[=]+)/
+ a=[b]=
+ 0: =[
+ 1: =
+
+/([[.]+)/
+ a.[b].
+ 0: .[
+ 1: .
+
+/((?>a+)b)/
+ aaab
+ 0: aaab
+
+/(?>(a+))b/
+ aaab
+ 0: aaab
+
+/((?>[^()]+)|\([^()]*\))+/
+ ((abc(ade)ufh()()x
+ 0: abc(ade)ufh()()x
+ 1: abc(ade)ufh()()
+ 2: abc(ade)ufh()
+ 3: abc(ade)ufh
+ 4: abc(ade)
+ 5: abc
+
+/a\Z/
+ *** Failers
+No match
+ aaab
+No match
+ a\nb\n
+No match
+
+/b\Z/
+ a\nb\n
+ 0: b
+
+/b\z/
+
+/b\Z/
+ a\nb
+ 0: b
+
+/b\z/
+ a\nb
+ 0: b
+ *** Failers
+No match
+
+/(?>.*)(?<=(abcd|wxyz))/
+ alphabetabcd
+ 0: alphabetabcd
+ endingwxyz
+ 0: endingwxyz
+ *** Failers
+No match
+ a rather long string that doesn't end with one of them
+No match
+
+/word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword/
+ word cat dog elephant mussel cow horse canary baboon snake shark otherword
+ 0: word cat dog elephant mussel cow horse canary baboon snake shark otherword
+ word cat dog elephant mussel cow horse canary baboon snake shark
+No match
+
+/word (?>[a-zA-Z0-9]+ ){0,30}otherword/
+ 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
+No match
+
+/(?<=\d{3}(?!999))foo/
+ 999foo
+ 0: foo
+ 123999foo
+ 0: foo
+ *** Failers
+No match
+ 123abcfoo
+No match
+
+/(?<=(?!...999)\d{3})foo/
+ 999foo
+ 0: foo
+ 123999foo
+ 0: foo
+ *** Failers
+No match
+ 123abcfoo
+No match
+
+/(?<=\d{3}(?!999)...)foo/
+ 123abcfoo
+ 0: foo
+ 123456foo
+ 0: foo
+ *** Failers
+No match
+ 123999foo
+No match
+
+/(?<=\d{3}...)(?<!999)foo/
+ 123abcfoo
+ 0: foo
+ 123456foo
+ 0: foo
+ *** Failers
+No match
+ 123999foo
+No match
+
+/((Z)+|A)*/
+ ZABCDEFG
+ 0: ZA
+ 1: Z
+ 2:
+
+/(Z()|A)*/
+ ZABCDEFG
+ 0: ZA
+ 1: Z
+ 2:
+
+/(Z(())|A)*/
+ ZABCDEFG
+ 0: ZA
+ 1: Z
+ 2:
+
+/((?>Z)+|A)*/
+ ZABCDEFG
+ 0: ZA
+ 1: Z
+ 2:
+
+/((?>)+|A)*/
+ ZABCDEFG
+ 0:
+
+/a*/g
+ abbab
+ 0: a
+ 1:
+ 0:
+ 0:
+ 0: a
+ 1:
+ 0:
+ 0:
+
+/^[a-\d]/
+ abcde
+ 0: a
+ -things
+ 0: -
+ 0digit
+ 0: 0
+ *** Failers
+No match
+ bcdef
+No match
+
+/^[\d-a]/
+ abcde
+ 0: a
+ -things
+ 0: -
+ 0digit
+ 0: 0
+ *** Failers
+No match
+ bcdef
+No match
+
+/[[:space:]]+/
+ > \x09\x0a\x0c\x0d\x0b<
+ 0: \x09\x0a\x0c\x0d\x0b
+ 1: \x09\x0a\x0c\x0d
+ 2: \x09\x0a\x0c
+ 3: \x09\x0a
+ 4: \x09
+ 5:
+
+/[[:blank:]]+/
+ > \x09\x0a\x0c\x0d\x0b<
+ 0: \x09
+ 1:
+
+/[\s]+/
+ > \x09\x0a\x0c\x0d\x0b<
+ 0: \x09\x0a\x0c\x0d
+ 1: \x09\x0a\x0c
+ 2: \x09\x0a
+ 3: \x09
+ 4:
+
+/\s+/
+ > \x09\x0a\x0c\x0d\x0b<
+ 0: \x09\x0a\x0c\x0d
+ 1: \x09\x0a\x0c
+ 2: \x09\x0a
+ 3: \x09
+ 4:
+
+/a b/x
+ ab
+No match
+
+/(?!\A)x/m
+ a\nxb\n
+ 0: x
+
+/(?!^)x/m
+ a\nxb\n
+No match
+
+/abc\Qabc\Eabc/
+ abcabcabc
+ 0: abcabcabc
+
+/abc\Q(*+|\Eabc/
+ abc(*+|abc
+ 0: abc(*+|abc
+
+/ abc\Q abc\Eabc/x
+ abc abcabc
+ 0: abc abcabc
+ *** Failers
+No match
+ abcabcabc
+No match
+
+/abc#comment
+ \Q#not comment
+ literal\E/x
+ abc#not comment\n literal
+ 0: abc#not comment\x0a literal
+
+/abc#comment
+ \Q#not comment
+ literal/x
+ abc#not comment\n literal
+ 0: abc#not comment\x0a literal
+
+/abc#comment
+ \Q#not comment
+ literal\E #more comment
+ /x
+ abc#not comment\n literal
+ 0: abc#not comment\x0a literal
+
+/abc#comment
+ \Q#not comment
+ literal\E #more comment/x
+ abc#not comment\n literal
+ 0: abc#not comment\x0a literal
+
+/\Qabc\$xyz\E/
+ abc\\\$xyz
+ 0: abc\$xyz
+
+/\Qabc\E\$\Qxyz\E/
+ abc\$xyz
+ 0: abc$xyz
+
+/\Gabc/
+ abc
+ 0: abc
+ *** Failers
+No match
+ xyzabc
+No match
+
+/\Gabc./g
+ abc1abc2xyzabc3
+ 0: abc1
+ 0: abc2
+
+/abc./g
+ abc1abc2xyzabc3
+ 0: abc1
+ 0: abc2
+ 0: abc3
+
+/a(?x: b c )d/
+ XabcdY
+ 0: abcd
+ *** Failers
+No match
+ Xa b c d Y
+No match
+
+/((?x)x y z | a b c)/
+ XabcY
+ 0: abc
+ AxyzB
+ 0: xyz
+
+/(?i)AB(?-i)C/
+ XabCY
+ 0: abC
+ *** Failers
+No match
+ XabcY
+No match
+
+/((?i)AB(?-i)C|D)E/
+ abCE
+ 0: abCE
+ DE
+ 0: DE
+ *** Failers
+No match
+ abcE
+No match
+ abCe
+No match
+ dE
+No match
+ De
+No match
+
+/[z\Qa-d]\E]/
+ z
+ 0: z
+ a
+ 0: a
+ -
+ 0: -
+ d
+ 0: d
+ ]
+ 0: ]
+ *** Failers
+ 0: a
+ b
+No match
+
+/[\z\C]/
+ z
+ 0: z
+ C
+ 0: C
+
+/\M/
+ M
+ 0: M
+
+/(a+)*b/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+
+/(?i)reg(?:ul(?:[a�]|ae)r|ex)/
+ REGular
+ 0: REGular
+ regulaer
+ 0: regulaer
+ Regex
+ 0: Regex
+ regul�r
+ 0: regul\xe4r
+
+/����[�-��-�]+/
+ �����
+ 0: \xc5\xe6\xe5\xe4\xe0
+ �����
+ 0: \xc5\xe6\xe5\xe4\xff
+ �����
+ 0: \xc5\xe6\xe5\xe4\xc0
+ �����
+ 0: \xc5\xe6\xe5\xe4\xdf
+
+/(?<=Z)X./
+ \x84XAZXB
+ 0: XB
+
+/^(?(2)a|(1)(2))+$/
+ 123a
+Error -17
+
+/(?<=a|bbbb)c/
+ ac
+ 0: c
+ bbbbc
+ 0: c
+
+/abc/>testsavedregex
+Compiled regex written to testsavedregex
+<testsavedregex
+Compiled regex loaded from testsavedregex
+No study data
+ abc
+ 0: abc
+ *** Failers
+No match
+ bca
+No match
+
+/abc/F>testsavedregex
+Compiled regex written to testsavedregex
+<testsavedregex
+Compiled regex (byte-inverted) loaded from testsavedregex
+No study data
+ abc
+ 0: abc
+ *** Failers
+No match
+ bca
+No match
+
+/(a|b)/S>testsavedregex
+Compiled regex written to testsavedregex
+Study data written to testsavedregex
+<testsavedregex
+Compiled regex loaded from testsavedregex
+Study data loaded from testsavedregex
+ abc
+ 0: a
+ *** Failers
+ 0: a
+ def
+No match
+
+/(a|b)/SF>testsavedregex
+Compiled regex written to testsavedregex
+Study data written to testsavedregex
+<testsavedregex
+Compiled regex (byte-inverted) loaded from testsavedregex
+Study data loaded from testsavedregex
+ abc
+ 0: a
+ *** Failers
+ 0: a
+ def
+No match
+
+/line\nbreak/
+ this is a line\nbreak
+ 0: line\x0abreak
+ line one\nthis is a line\nbreak in the second line
+ 0: line\x0abreak
+
+/line\nbreak/f
+ this is a line\nbreak
+ 0: line\x0abreak
+ ** Failers
+No match
+ line one\nthis is a line\nbreak in the second line
+No match
+
+/line\nbreak/mf
+ this is a line\nbreak
+ 0: line\x0abreak
+ ** Failers
+No match
+ line one\nthis is a line\nbreak in the second line
+No match
+
+/1234/
+ 123\P
+Partial match: 123
+ a4\P\R
+No match
+
+/1234/
+ 123\P
+Partial match: 123
+ 4\P\R
+ 0: 4
+
+/^/mg
+ a\nb\nc\n
+ 0:
+ 0:
+ 0:
+ \
+ 0:
+
+/(?<=C\n)^/mg
+ A\nC\nC\n
+ 0:
+
+/(?s)A?B/
+ AB
+ 0: AB
+ aB
+ 0: B
+
+/(?s)A*B/
+ AB
+ 0: AB
+ aB
+ 0: B
+
+/(?m)A?B/
+ AB
+ 0: AB
+ aB
+ 0: B
+
+/(?m)A*B/
+ AB
+ 0: AB
+ aB
+ 0: B
+
+/Content-Type\x3A[^\r\n]{6,}/
+ Content-Type:xxxxxyyy
+ 0: Content-Type:xxxxxyyy
+ 1: Content-Type:xxxxxyy
+ 2: Content-Type:xxxxxy
+
+/Content-Type\x3A[^\r\n]{6,}z/
+ Content-Type:xxxxxyyyz
+ 0: Content-Type:xxxxxyyyz
+
+/Content-Type\x3A[^a]{6,}/
+ Content-Type:xxxyyy
+ 0: Content-Type:xxxyyy
+
+/Content-Type\x3A[^a]{6,}z/
+ Content-Type:xxxyyyz
+ 0: Content-Type:xxxyyyz
+
+/^abc/m
+ xyz\nabc
+ 0: abc
+ xyz\nabc\<lf>
+ 0: abc
+ xyz\r\nabc\<lf>
+ 0: abc
+ xyz\rabc\<cr>
+ 0: abc
+ xyz\r\nabc\<crlf>
+ 0: abc
+ ** Failers
+No match
+ xyz\nabc\<cr>
+No match
+ xyz\r\nabc\<cr>
+No match
+ xyz\nabc\<crlf>
+No match
+ xyz\rabc\<crlf>
+No match
+ xyz\rabc\<lf>
+No match
+
+/abc$/m<lf>
+ xyzabc
+ 0: abc
+ xyzabc\n
+ 0: abc
+ xyzabc\npqr
+ 0: abc
+ xyzabc\r\<cr>
+ 0: abc
+ xyzabc\rpqr\<cr>
+ 0: abc
+ xyzabc\r\n\<crlf>
+ 0: abc
+ xyzabc\r\npqr\<crlf>
+ 0: abc
+ ** Failers
+No match
+ xyzabc\r
+No match
+ xyzabc\rpqr
+No match
+ xyzabc\r\n
+No match
+ xyzabc\r\npqr
+No match
+
+/^abc/m<cr>
+ xyz\rabcdef
+ 0: abc
+ xyz\nabcdef\<lf>
+ 0: abc
+ ** Failers
+No match
+ xyz\nabcdef
+No match
+
+/^abc/m<lf>
+ xyz\nabcdef
+ 0: abc
+ xyz\rabcdef\<cr>
+ 0: abc
+ ** Failers
+No match
+ xyz\rabcdef
+No match
+
+/^abc/m<crlf>
+ xyz\r\nabcdef
+ 0: abc
+ xyz\rabcdef\<cr>
+ 0: abc
+ ** Failers
+No match
+ xyz\rabcdef
+No match
+
+/.*/<lf>
+ abc\ndef
+ 0: abc
+ 1: ab
+ 2: a
+ 3:
+ abc\rdef
+ 0: abc\x0ddef
+ 1: abc\x0dde
+ 2: abc\x0dd
+ 3: abc\x0d
+ 4: abc
+ 5: ab
+ 6: a
+ 7:
+ abc\r\ndef
+ 0: abc\x0d
+ 1: abc
+ 2: ab
+ 3: a
+ 4:
+ \<cr>abc\ndef
+ 0: abc\x0adef
+ 1: abc\x0ade
+ 2: abc\x0ad
+ 3: abc\x0a
+ 4: abc
+ 5: ab
+ 6: a
+ 7:
+ \<cr>abc\rdef
+ 0: abc
+ 1: ab
+ 2: a
+ 3:
+ \<cr>abc\r\ndef
+ 0: abc
+ 1: ab
+ 2: a
+ 3:
+ \<crlf>abc\ndef
+ 0: abc\x0adef
+ 1: abc\x0ade
+ 2: abc\x0ad
+ 3: abc\x0a
+ 4: abc
+ 5: ab
+ 6: a
+ 7:
+ \<crlf>abc\rdef
+ 0: abc\x0ddef
+ 1: abc\x0dde
+ 2: abc\x0dd
+ 3: abc\x0d
+ 4: abc
+ 5: ab
+ 6: a
+ 7:
+ \<crlf>abc\r\ndef
+ 0: abc
+ 1: ab
+ 2: a
+ 3:
+
+/\w+(.)(.)?def/s
+ abc\ndef
+ 0: abc\x0adef
+ abc\rdef
+ 0: abc\x0ddef
+ abc\r\ndef
+ 0: abc\x0d\x0adef
+
+/^\w+=.*(\\\n.*)*/
+ abc=xyz\\\npqr
+ 0: abc=xyz\\x0apqr
+ 1: abc=xyz\\x0apq
+ 2: abc=xyz\\x0ap
+ 3: abc=xyz\\x0a
+ 4: abc=xyz\
+ 5: abc=xyz
+ 6: abc=xy
+ 7: abc=x
+ 8: abc=
+
+/^(a()*)*/
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+ 4:
+
+/^(?:a(?:(?:))*)*/
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+ 4:
+
+/^(a()+)+/
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+
+/^(?:a(?:(?:))+)+/
+ aaaa
+ 0: aaaa
+ 1: aaa
+ 2: aa
+ 3: a
+
+/(a|)*\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+
+/(?>a|)*\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+
+/(?:a|)*\d/
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
+
+/^a.b/<lf>
+ a\rb
+ 0: a\x0db
+ a\nb\<cr>
+ 0: a\x0ab
+ ** Failers
+No match
+ a\nb
+No match
+ a\nb\<any>
+No match
+ a\rb\<cr>
+No match
+ a\rb\<any>
+No match
+
+/^abc./mgx<any>
+ abc1 \x0aabc2 \x0babc3xx \x0cabc4 \x0dabc5xx \x0d\x0aabc6 \x85abc7 \x{2028}abc8 \x{2029}abc9 JUNK
+ 0: abc1
+ 0: abc2
+ 0: abc3
+ 0: abc4
+ 0: abc5
+ 0: abc6
+ 0: abc7
+
+/abc.$/mgx<any>
+ abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x85 abc7\x{2028} abc8\x{2029} abc9
+ 0: abc1
+ 0: abc2
+ 0: abc3
+ 0: abc4
+ 0: abc5
+ 0: abc6
+ 0: abc9
+
+/^a\Rb/<bsr_unicode>
+ a\nb
+ 0: a\x0ab
+ a\rb
+ 0: a\x0db
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x0bb
+ 0: a\x0bb
+ a\x0cb
+ 0: a\x0cb
+ a\x85b
+ 0: a\x85b
+ ** Failers
+No match
+ a\n\rb
+No match
+
+/^a\R*b/<bsr_unicode>
+ ab
+ 0: ab
+ a\nb
+ 0: a\x0ab
+ a\rb
+ 0: a\x0db
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x0bb
+ 0: a\x0bb
+ a\x0cb
+ 0: a\x0cb
+ a\x85b
+ 0: a\x85b
+ a\n\rb
+ 0: a\x0a\x0db
+ a\n\r\x85\x0cb
+ 0: a\x0a\x0d\x85\x0cb
+
+/^a\R+b/<bsr_unicode>
+ a\nb
+ 0: a\x0ab
+ a\rb
+ 0: a\x0db
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x0bb
+ 0: a\x0bb
+ a\x0cb
+ 0: a\x0cb
+ a\x85b
+ 0: a\x85b
+ a\n\rb
+ 0: a\x0a\x0db
+ a\n\r\x85\x0cb
+ 0: a\x0a\x0d\x85\x0cb
+ ** Failers
+No match
+ ab
+No match
+
+/^a\R{1,3}b/<bsr_unicode>
+ a\nb
+ 0: a\x0ab
+ a\n\rb
+ 0: a\x0a\x0db
+ a\n\r\x85b
+ 0: a\x0a\x0d\x85b
+ a\r\n\r\nb
+ 0: a\x0d\x0a\x0d\x0ab
+ a\r\n\r\n\r\nb
+ 0: a\x0d\x0a\x0d\x0a\x0d\x0ab
+ a\n\r\n\rb
+ 0: a\x0a\x0d\x0a\x0db
+ a\n\n\r\nb
+ 0: a\x0a\x0a\x0d\x0ab
+ ** Failers
+No match
+ a\n\n\n\rb
+No match
+ a\r
+No match
+
+/^a[\R]b/<bsr_unicode>
+ aRb
+ 0: aRb
+ ** Failers
+No match
+ a\nb
+No match
+
+/.+foo/
+ afoo
+ 0: afoo
+ ** Failers
+No match
+ \r\nfoo
+No match
+ \nfoo
+No match
+
+/.+foo/<crlf>
+ afoo
+ 0: afoo
+ \nfoo
+ 0: \x0afoo
+ ** Failers
+No match
+ \r\nfoo
+No match
+
+/.+foo/<any>
+ afoo
+ 0: afoo
+ ** Failers
+No match
+ \nfoo
+No match
+ \r\nfoo
+No match
+
+/.+foo/s
+ afoo
+ 0: afoo
+ \r\nfoo
+ 0: \x0d\x0afoo
+ \nfoo
+ 0: \x0afoo
+
+/^$/mg<any>
+ abc\r\rxyz
+ 0:
+ abc\n\rxyz
+ 0:
+ ** Failers
+No match
+ abc\r\nxyz
+No match
+
+/^X/m
+ XABC
+ 0: X
+ ** Failers
+No match
+ XABC\B
+No match
+
+/(?m)^$/<any>g+
+ abc\r\n\r\n
+ 0:
+ 0+ \x0d\x0a
+
+/(?m)^$|^\r\n/<any>g+
+ abc\r\n\r\n
+ 0: \x0d\x0a
+ 0+
+ 1:
+
+/(?m)$/<any>g+
+ abc\r\n\r\n
+ 0:
+ 0+ \x0d\x0a\x0d\x0a
+ 0:
+ 0+ \x0d\x0a
+ 0:
+ 0+
+
+/(?|(abc)|(xyz))/
+ >abc<
+ 0: abc
+ >xyz<
+ 0: xyz
+
+/(x)(?|(abc)|(xyz))(x)/
+ xabcx
+ 0: xabcx
+ xxyzx
+ 0: xxyzx
+
+/(x)(?|(abc)(pqr)|(xyz))(x)/
+ xabcpqrx
+ 0: xabcpqrx
+ xxyzx
+ 0: xxyzx
+
+/(?|(abc)|(xyz))(?1)/
+ abcabc
+ 0: abcabc
+ xyzabc
+ 0: xyzabc
+ ** Failers
+No match
+ xyzxyz
+No match
+
+/\H\h\V\v/
+ X X\x0a
+ 0: X X\x0a
+ X\x09X\x0b
+ 0: X\x09X\x0b
+ ** Failers
+No match
+ \xa0 X\x0a
+No match
+
+/\H*\h+\V?\v{3,4}/
+ \x09\x20\xa0X\x0a\x0b\x0c\x0d\x0a
+ 0: \x09 \xa0X\x0a\x0b\x0c\x0d
+ 1: \x09 \xa0X\x0a\x0b\x0c
+ \x09\x20\xa0\x0a\x0b\x0c\x0d\x0a
+ 0: \x09 \xa0\x0a\x0b\x0c\x0d
+ 1: \x09 \xa0\x0a\x0b\x0c
+ \x09\x20\xa0\x0a\x0b\x0c
+ 0: \x09 \xa0\x0a\x0b\x0c
+ ** Failers
+No match
+ \x09\x20\xa0\x0a\x0b
+No match
+
+/\H{3,4}/
+ XY ABCDE
+ 0: ABCD
+ 1: ABC
+ XY PQR ST
+ 0: PQR
+
+/.\h{3,4}./
+ XY AB PQRS
+ 0: B P
+ 1: B
+
+/\h*X\h?\H+Y\H?Z/
+ >XNNNYZ
+ 0: XNNNYZ
+ > X NYQZ
+ 0: X NYQZ
+ ** Failers
+No match
+ >XYZ
+No match
+ > X NY Z
+No match
+
+/\v*X\v?Y\v+Z\V*\x0a\V+\x0b\V{2,3}\x0c/
+ >XY\x0aZ\x0aA\x0bNN\x0c
+ 0: XY\x0aZ\x0aA\x0bNN\x0c
+ >\x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
+ 0: \x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
+
+/.+A/<crlf>
+ \r\nA
+No match
+
+/\nA/<crlf>
+ \r\nA
+ 0: \x0aA
+
+/[\r\n]A/<crlf>
+ \r\nA
+ 0: \x0aA
+
+/(\r|\n)A/<crlf>
+ \r\nA
+ 0: \x0aA
+
+/a\Rb/I<bsr_anycrlf>
+Capturing subpattern count = 0
+Options: bsr_anycrlf
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x0db
+ a\nb
+ 0: a\x0ab
+ a\r\nb
+ 0: a\x0d\x0ab
+ ** Failers
+No match
+ a\x85b
+No match
+ a\x0bb
+No match
+
+/a\Rb/I<bsr_unicode>
+Capturing subpattern count = 0
+Options: bsr_unicode
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x0db
+ a\nb
+ 0: a\x0ab
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x85b
+ 0: a\x85b
+ a\x0bb
+ 0: a\x0bb
+ ** Failers
+No match
+ a\x85b\<bsr_anycrlf>
+No match
+ a\x0bb\<bsr_anycrlf>
+No match
+
+/a\R?b/I<bsr_anycrlf>
+Capturing subpattern count = 0
+Options: bsr_anycrlf
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x0db
+ a\nb
+ 0: a\x0ab
+ a\r\nb
+ 0: a\x0d\x0ab
+ ** Failers
+No match
+ a\x85b
+No match
+ a\x0bb
+No match
+
+/a\R?b/I<bsr_unicode>
+Capturing subpattern count = 0
+Options: bsr_unicode
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x0db
+ a\nb
+ 0: a\x0ab
+ a\r\nb
+ 0: a\x0d\x0ab
+ a\x85b
+ 0: a\x85b
+ a\x0bb
+ 0: a\x0bb
+ ** Failers
+No match
+ a\x85b\<bsr_anycrlf>
+No match
+ a\x0bb\<bsr_anycrlf>
+No match
+
+/a\R{2,4}b/I<bsr_anycrlf>
+Capturing subpattern count = 0
+Partial matching not supported
+Options: bsr_anycrlf
+First char = 'a'
+Need char = 'b'
+ a\r\n\nb
+ 0: a\x0d\x0a\x0ab
+ a\n\r\rb
+ 0: a\x0a\x0d\x0db
+ a\r\n\r\n\r\n\r\nb
+ 0: a\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0ab
+ ** Failers
+No match
+ a\x85\85b
+No match
+ a\x0b\0bb
+No match
+
+/a\R{2,4}b/I<bsr_unicode>
+Capturing subpattern count = 0
+Partial matching not supported
+Options: bsr_unicode
+First char = 'a'
+Need char = 'b'
+ a\r\rb
+ 0: a\x0d\x0db
+ a\n\n\nb
+ 0: a\x0a\x0a\x0ab
+ a\r\n\n\r\rb
+ 0: a\x0d\x0a\x0a\x0d\x0db
+ a\x85\85b
+No match
+ a\x0b\0bb
+No match
+ ** Failers
+No match
+ a\r\r\r\r\rb
+No match
+ a\x85\85b\<bsr_anycrlf>
+No match
+ a\x0b\0bb\<bsr_anycrlf>
+No match
+
+/ End of testinput7 /
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput8 b/lib/stdlib/test/re_SUITE_data/testoutput8
new file mode 100644
index 0000000000..631e5b82f9
--- /dev/null
+++ b/lib/stdlib/test/re_SUITE_data/testoutput8
@@ -0,0 +1,1287 @@
+/-- Do not use the \x{} construct except with patterns that have the --/
+/-- /8 option set, because PCRE doesn't recognize them as UTF-8 unless --/
+No match
+/-- that option is set. However, the latest Perls recognize them always. --/
+No match
+
+/\x{100}ab/8
+ \x{100}ab
+ 0: \x{100}ab
+
+/a\x{100}*b/8
+ ab
+ 0: ab
+ a\x{100}b
+ 0: a\x{100}b
+ a\x{100}\x{100}b
+ 0: a\x{100}\x{100}b
+
+/a\x{100}+b/8
+ a\x{100}b
+ 0: a\x{100}b
+ a\x{100}\x{100}b
+ 0: a\x{100}\x{100}b
+ *** Failers
+No match
+ ab
+No match
+
+/\bX/8
+ Xoanon
+ 0: X
+ +Xoanon
+ 0: X
+ \x{300}Xoanon
+ 0: X
+ *** Failers
+No match
+ YXoanon
+No match
+
+/\BX/8
+ YXoanon
+ 0: X
+ *** Failers
+No match
+ Xoanon
+No match
+ +Xoanon
+No match
+ \x{300}Xoanon
+No match
+
+/X\b/8
+ X+oanon
+ 0: X
+ ZX\x{300}oanon
+ 0: X
+ FAX
+ 0: X
+ *** Failers
+No match
+ Xoanon
+No match
+
+/X\B/8
+ Xoanon
+ 0: X
+ *** Failers
+No match
+ X+oanon
+No match
+ ZX\x{300}oanon
+No match
+ FAX
+No match
+
+/[^a]/8
+ abcd
+ 0: b
+ a\x{100}
+ 0: \x{100}
+
+/^[abc\x{123}\x{400}-\x{402}]{2,3}\d/8
+ ab99
+ 0: ab9
+ \x{123}\x{123}45
+ 0: \x{123}\x{123}4
+ \x{400}\x{401}\x{402}6
+ 0: \x{400}\x{401}\x{402}6
+ *** Failers
+No match
+ d99
+No match
+ \x{123}\x{122}4
+No match
+ \x{400}\x{403}6
+No match
+ \x{400}\x{401}\x{402}\x{402}6
+No match
+
+/abc/8
+ �]
+Error -10
+ �
+Error -10
+ ���
+Error -10
+ ���\?
+No match
+
+/a.b/8
+ acb
+ 0: acb
+ a\x7fb
+ 0: a\x{7f}b
+ a\x{100}b
+ 0: a\x{100}b
+ *** Failers
+No match
+ a\nb
+No match
+
+/a(.{3})b/8
+ a\x{4000}xyb
+ 0: a\x{4000}xyb
+ a\x{4000}\x7fyb
+ 0: a\x{4000}\x{7f}yb
+ a\x{4000}\x{100}yb
+ 0: a\x{4000}\x{100}yb
+ *** Failers
+No match
+ a\x{4000}b
+No match
+ ac\ncb
+No match
+
+/a(.*?)(.)/
+ a\xc0\x88b
+ 0: a\xc0\x88b
+ 1: a\xc0\x88
+ 2: a\xc0
+
+/a(.*?)(.)/8
+ a\x{100}b
+ 0: a\x{100}b
+ 1: a\x{100}
+
+/a(.*)(.)/
+ a\xc0\x88b
+ 0: a\xc0\x88b
+ 1: a\xc0\x88
+ 2: a\xc0
+
+/a(.*)(.)/8
+ a\x{100}b
+ 0: a\x{100}b
+ 1: a\x{100}
+
+/a(.)(.)/
+ a\xc0\x92bcd
+ 0: a\xc0\x92
+
+/a(.)(.)/8
+ a\x{240}bcd
+ 0: a\x{240}b
+
+/a(.?)(.)/
+ a\xc0\x92bcd
+ 0: a\xc0\x92
+ 1: a\xc0
+
+/a(.?)(.)/8
+ a\x{240}bcd
+ 0: a\x{240}b
+ 1: a\x{240}
+
+/a(.??)(.)/
+ a\xc0\x92bcd
+ 0: a\xc0\x92
+ 1: a\xc0
+
+/a(.??)(.)/8
+ a\x{240}bcd
+ 0: a\x{240}b
+ 1: a\x{240}
+
+/a(.{3})b/8
+ a\x{1234}xyb
+ 0: a\x{1234}xyb
+ a\x{1234}\x{4321}yb
+ 0: a\x{1234}\x{4321}yb
+ a\x{1234}\x{4321}\x{3412}b
+ 0: a\x{1234}\x{4321}\x{3412}b
+ *** Failers
+No match
+ a\x{1234}b
+No match
+ ac\ncb
+No match
+
+/a(.{3,})b/8
+ a\x{1234}xyb
+ 0: a\x{1234}xyb
+ a\x{1234}\x{4321}yb
+ 0: a\x{1234}\x{4321}yb
+ a\x{1234}\x{4321}\x{3412}b
+ 0: a\x{1234}\x{4321}\x{3412}b
+ axxxxbcdefghijb
+ 0: axxxxbcdefghijb
+ 1: axxxxb
+ a\x{1234}\x{4321}\x{3412}\x{3421}b
+ 0: a\x{1234}\x{4321}\x{3412}\x{3421}b
+ *** Failers
+No match
+ a\x{1234}b
+No match
+
+/a(.{3,}?)b/8
+ a\x{1234}xyb
+ 0: a\x{1234}xyb
+ a\x{1234}\x{4321}yb
+ 0: a\x{1234}\x{4321}yb
+ a\x{1234}\x{4321}\x{3412}b
+ 0: a\x{1234}\x{4321}\x{3412}b
+ axxxxbcdefghijb
+ 0: axxxxbcdefghijb
+ 1: axxxxb
+ a\x{1234}\x{4321}\x{3412}\x{3421}b
+ 0: a\x{1234}\x{4321}\x{3412}\x{3421}b
+ *** Failers
+No match
+ a\x{1234}b
+No match
+
+/a(.{3,5})b/8
+ a\x{1234}xyb
+ 0: a\x{1234}xyb
+ a\x{1234}\x{4321}yb
+ 0: a\x{1234}\x{4321}yb
+ a\x{1234}\x{4321}\x{3412}b
+ 0: a\x{1234}\x{4321}\x{3412}b
+ axxxxbcdefghijb
+ 0: axxxxb
+ a\x{1234}\x{4321}\x{3412}\x{3421}b
+ 0: a\x{1234}\x{4321}\x{3412}\x{3421}b
+ axbxxbcdefghijb
+ 0: axbxxb
+ axxxxxbcdefghijb
+ 0: axxxxxb
+ *** Failers
+No match
+ a\x{1234}b
+No match
+ axxxxxxbcdefghijb
+No match
+
+/a(.{3,5}?)b/8
+ a\x{1234}xyb
+ 0: a\x{1234}xyb
+ a\x{1234}\x{4321}yb
+ 0: a\x{1234}\x{4321}yb
+ a\x{1234}\x{4321}\x{3412}b
+ 0: a\x{1234}\x{4321}\x{3412}b
+ axxxxbcdefghijb
+ 0: axxxxb
+ a\x{1234}\x{4321}\x{3412}\x{3421}b
+ 0: a\x{1234}\x{4321}\x{3412}\x{3421}b
+ axbxxbcdefghijb
+ 0: axbxxb
+ axxxxxbcdefghijb
+ 0: axxxxxb
+ *** Failers
+No match
+ a\x{1234}b
+No match
+ axxxxxxbcdefghijb
+No match
+
+/^[a\x{c0}]/8
+ *** Failers
+No match
+ \x{100}
+No match
+
+/(?<=aXb)cd/8
+ aXbcd
+ 0: cd
+
+/(?<=a\x{100}b)cd/8
+ a\x{100}bcd
+ 0: cd
+
+/(?<=a\x{100000}b)cd/8
+ a\x{100000}bcd
+ 0: cd
+
+/(?:\x{100}){3}b/8
+ \x{100}\x{100}\x{100}b
+ 0: \x{100}\x{100}\x{100}b
+ *** Failers
+No match
+ \x{100}\x{100}b
+No match
+
+/\x{ab}/8
+ \x{ab}
+ 0: \x{ab}
+ \xc2\xab
+ 0: \x{ab}
+ *** Failers
+No match
+ \x00{ab}
+No match
+
+/(?<=(.))X/8
+ WXYZ
+ 0: X
+ \x{256}XYZ
+ 0: X
+ *** Failers
+No match
+ XYZ
+No match
+
+/[^a]+/8g
+ bcd
+ 0: bcd
+ 1: bc
+ 2: b
+ \x{100}aY\x{256}Z
+ 0: \x{100}
+ 0: Y\x{256}Z
+ 1: Y\x{256}
+ 2: Y
+
+/^[^a]{2}/8
+ \x{100}bc
+ 0: \x{100}b
+
+/^[^a]{2,}/8
+ \x{100}bcAa
+ 0: \x{100}bcA
+ 1: \x{100}bc
+ 2: \x{100}b
+
+/^[^a]{2,}?/8
+ \x{100}bca
+ 0: \x{100}bc
+ 1: \x{100}b
+
+/[^a]+/8ig
+ bcd
+ 0: bcd
+ 1: bc
+ 2: b
+ \x{100}aY\x{256}Z
+ 0: \x{100}
+ 0: Y\x{256}Z
+ 1: Y\x{256}
+ 2: Y
+
+/^[^a]{2}/8i
+ \x{100}bc
+ 0: \x{100}b
+
+/^[^a]{2,}/8i
+ \x{100}bcAa
+ 0: \x{100}bc
+ 1: \x{100}b
+
+/^[^a]{2,}?/8i
+ \x{100}bca
+ 0: \x{100}bc
+ 1: \x{100}b
+
+/\x{100}{0,0}/8
+ abcd
+ 0:
+
+/\x{100}?/8
+ abcd
+ 0:
+ \x{100}\x{100}
+ 0: \x{100}
+ 1:
+
+/\x{100}{0,3}/8
+ \x{100}\x{100}
+ 0: \x{100}\x{100}
+ 1: \x{100}
+ 2:
+ \x{100}\x{100}\x{100}\x{100}
+ 0: \x{100}\x{100}\x{100}
+ 1: \x{100}\x{100}
+ 2: \x{100}
+ 3:
+
+/\x{100}*/8
+ abce
+ 0:
+ \x{100}\x{100}\x{100}\x{100}
+ 0: \x{100}\x{100}\x{100}\x{100}
+ 1: \x{100}\x{100}\x{100}
+ 2: \x{100}\x{100}
+ 3: \x{100}
+ 4:
+
+/\x{100}{1,1}/8
+ abcd\x{100}\x{100}\x{100}\x{100}
+ 0: \x{100}
+
+/\x{100}{1,3}/8
+ abcd\x{100}\x{100}\x{100}\x{100}
+ 0: \x{100}\x{100}\x{100}
+ 1: \x{100}\x{100}
+ 2: \x{100}
+
+/\x{100}+/8
+ abcd\x{100}\x{100}\x{100}\x{100}
+ 0: \x{100}\x{100}\x{100}\x{100}
+ 1: \x{100}\x{100}\x{100}
+ 2: \x{100}\x{100}
+ 3: \x{100}
+
+/\x{100}{3}/8
+ abcd\x{100}\x{100}\x{100}XX
+ 0: \x{100}\x{100}\x{100}
+
+/\x{100}{3,5}/8
+ abcd\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}XX
+ 0: \x{100}\x{100}\x{100}\x{100}\x{100}
+ 1: \x{100}\x{100}\x{100}\x{100}
+ 2: \x{100}\x{100}\x{100}
+
+/\x{100}{3,}/8
+ abcd\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}XX
+ 0: \x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}
+ 1: \x{100}\x{100}\x{100}\x{100}\x{100}\x{100}
+ 2: \x{100}\x{100}\x{100}\x{100}\x{100}
+ 3: \x{100}\x{100}\x{100}\x{100}
+ 4: \x{100}\x{100}\x{100}
+
+/(?<=a\x{100}{2}b)X/8
+ Xyyya\x{100}\x{100}bXzzz
+ 0: X
+
+/\D*/8
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+Matched, but too many subsidiary matches
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 1: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 2: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 3: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 4: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 5: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 6: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 7: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 8: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 9: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+10: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+11: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+12: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+13: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+14: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+15: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+16: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+17: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+18: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+19: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+20: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+21: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/\D*/8
+ \x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}
+Matched, but too many subsidiary matches
+ 0: \x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}
+ 1: \x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}
+ 2: \x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}
+ 3: \x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}
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+20: \x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}
+21: \x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}\x{100}
+
+/\D/8
+ 1X2
+ 0: X
+ 1\x{100}2
+ 0: \x{100}
+
+/>\S/8
+ > >X Y
+ 0: >X
+ > >\x{100} Y
+ 0: >\x{100}
+
+/\d/8
+ \x{100}3
+ 0: 3
+
+/\s/8
+ \x{100} X
+ 0:
+
+/\D+/8
+ 12abcd34
+ 0: abcd
+ 1: abc
+ 2: ab
+ 3: a
+ *** Failers
+ 0: *** Failers
+ 1: *** Failer
+ 2: *** Faile
+ 3: *** Fail
+ 4: *** Fai
+ 5: *** Fa
+ 6: *** F
+ 7: ***
+ 8: ***
+ 9: **
+10: *
+ 1234
+No match
+
+/\D{2,3}/8
+ 12abcd34
+ 0: abc
+ 1: ab
+ 12ab34
+ 0: ab
+ *** Failers
+ 0: ***
+ 1: **
+ 1234
+No match
+ 12a34
+No match
+
+/\D{2,3}?/8
+ 12abcd34
+ 0: abc
+ 1: ab
+ 12ab34
+ 0: ab
+ *** Failers
+ 0: ***
+ 1: **
+ 1234
+No match
+ 12a34
+No match
+
+/\d+/8
+ 12abcd34
+ 0: 12
+ 1: 1
+ *** Failers
+No match
+
+/\d{2,3}/8
+ 12abcd34
+ 0: 12
+ 1234abcd
+ 0: 123
+ 1: 12
+ *** Failers
+No match
+ 1.4
+No match
+
+/\d{2,3}?/8
+ 12abcd34
+ 0: 12
+ 1234abcd
+ 0: 123
+ 1: 12
+ *** Failers
+No match
+ 1.4
+No match
+
+/\S+/8
+ 12abcd34
+ 0: 12abcd34
+ 1: 12abcd3
+ 2: 12abcd
+ 3: 12abc
+ 4: 12ab
+ 5: 12a
+ 6: 12
+ 7: 1
+ *** Failers
+ 0: ***
+ 1: **
+ 2: *
+ \ \
+No match
+
+/\S{2,3}/8
+ 12abcd34
+ 0: 12a
+ 1: 12
+ 1234abcd
+ 0: 123
+ 1: 12
+ *** Failers
+ 0: ***
+ 1: **
+ \ \
+No match
+
+/\S{2,3}?/8
+ 12abcd34
+ 0: 12a
+ 1: 12
+ 1234abcd
+ 0: 123
+ 1: 12
+ *** Failers
+ 0: ***
+ 1: **
+ \ \
+No match
+
+/>\s+</8
+ 12> <34
+ 0: > <
+ *** Failers
+No match
+
+/>\s{2,3}</8
+ ab> <cd
+ 0: > <
+ ab> <ce
+ 0: > <
+ *** Failers
+No match
+ ab> <cd
+No match
+
+/>\s{2,3}?</8
+ ab> <cd
+ 0: > <
+ ab> <ce
+ 0: > <
+ *** Failers
+No match
+ ab> <cd
+No match
+
+/\w+/8
+ 12 34
+ 0: 12
+ 1: 1
+ *** Failers
+ 0: Failers
+ 1: Failer
+ 2: Faile
+ 3: Fail
+ 4: Fai
+ 5: Fa
+ 6: F
+ +++=*!
+No match
+
+/\w{2,3}/8
+ ab cd
+ 0: ab
+ abcd ce
+ 0: abc
+ 1: ab
+ *** Failers
+ 0: Fai
+ 1: Fa
+ a.b.c
+No match
+
+/\w{2,3}?/8
+ ab cd
+ 0: ab
+ abcd ce
+ 0: abc
+ 1: ab
+ *** Failers
+ 0: Fai
+ 1: Fa
+ a.b.c
+No match
+
+/\W+/8
+ 12====34
+ 0: ====
+ 1: ===
+ 2: ==
+ 3: =
+ *** Failers
+ 0: ***
+ 1: ***
+ 2: **
+ 3: *
+ abcd
+No match
+
+/\W{2,3}/8
+ ab====cd
+ 0: ===
+ 1: ==
+ ab==cd
+ 0: ==
+ *** Failers
+ 0: ***
+ 1: **
+ a.b.c
+No match
+
+/\W{2,3}?/8
+ ab====cd
+ 0: ===
+ 1: ==
+ ab==cd
+ 0: ==
+ *** Failers
+ 0: ***
+ 1: **
+ a.b.c
+No match
+
+/[\x{100}]/8
+ \x{100}
+ 0: \x{100}
+ Z\x{100}
+ 0: \x{100}
+ \x{100}Z
+ 0: \x{100}
+ *** Failers
+No match
+
+/[Z\x{100}]/8
+ Z\x{100}
+ 0: Z
+ \x{100}
+ 0: \x{100}
+ \x{100}Z
+ 0: \x{100}
+ *** Failers
+No match
+
+/[\x{100}\x{200}]/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ *** Failers
+No match
+
+/[\x{100}-\x{200}]/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{111}cd
+ 0: \x{111}
+ *** Failers
+No match
+
+/[z-\x{200}]/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{111}cd
+ 0: \x{111}
+ abzcd
+ 0: z
+ ab|cd
+ 0: |
+ *** Failers
+No match
+
+/[Q\x{100}\x{200}]/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ Q?
+ 0: Q
+ *** Failers
+No match
+
+/[Q\x{100}-\x{200}]/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{111}cd
+ 0: \x{111}
+ Q?
+ 0: Q
+ *** Failers
+No match
+
+/[Qz-\x{200}]/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{111}cd
+ 0: \x{111}
+ abzcd
+ 0: z
+ ab|cd
+ 0: |
+ Q?
+ 0: Q
+ *** Failers
+No match
+
+/[\x{100}\x{200}]{1,3}/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{200}\x{100}\x{200}\x{100}cd
+ 0: \x{200}\x{100}\x{200}
+ 1: \x{200}\x{100}
+ 2: \x{200}
+ *** Failers
+No match
+
+/[\x{100}\x{200}]{1,3}?/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{200}\x{100}\x{200}\x{100}cd
+ 0: \x{200}\x{100}\x{200}
+ 1: \x{200}\x{100}
+ 2: \x{200}
+ *** Failers
+No match
+
+/[Q\x{100}\x{200}]{1,3}/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{200}\x{100}\x{200}\x{100}cd
+ 0: \x{200}\x{100}\x{200}
+ 1: \x{200}\x{100}
+ 2: \x{200}
+ *** Failers
+No match
+
+/[Q\x{100}\x{200}]{1,3}?/8
+ ab\x{100}cd
+ 0: \x{100}
+ ab\x{200}cd
+ 0: \x{200}
+ ab\x{200}\x{100}\x{200}\x{100}cd
+ 0: \x{200}\x{100}\x{200}
+ 1: \x{200}\x{100}
+ 2: \x{200}
+ *** Failers
+No match
+
+/(?<=[\x{100}\x{200}])X/8
+ abc\x{200}X
+ 0: X
+ abc\x{100}X
+ 0: X
+ *** Failers
+No match
+ X
+No match
+
+/(?<=[Q\x{100}\x{200}])X/8
+ abc\x{200}X
+ 0: X
+ abc\x{100}X
+ 0: X
+ abQX
+ 0: X
+ *** Failers
+No match
+ X
+No match
+
+/(?<=[\x{100}\x{200}]{3})X/8
+ abc\x{100}\x{200}\x{100}X
+ 0: X
+ *** Failers
+No match
+ abc\x{200}X
+No match
+ X
+No match
+
+/[^\x{100}\x{200}]X/8
+ AX
+ 0: AX
+ \x{150}X
+ 0: \x{150}X
+ \x{500}X
+ 0: \x{500}X
+ *** Failers
+No match
+ \x{100}X
+No match
+ \x{200}X
+No match
+
+/[^Q\x{100}\x{200}]X/8
+ AX
+ 0: AX
+ \x{150}X
+ 0: \x{150}X
+ \x{500}X
+ 0: \x{500}X
+ *** Failers
+No match
+ \x{100}X
+No match
+ \x{200}X
+No match
+ QX
+No match
+
+/[^\x{100}-\x{200}]X/8
+ AX
+ 0: AX
+ \x{500}X
+ 0: \x{500}X
+ *** Failers
+No match
+ \x{100}X
+No match
+ \x{150}X
+No match
+ \x{200}X
+No match
+
+/[z-\x{100}]/8i
+ z
+ 0: z
+ Z
+ 0: Z
+ \x{100}
+ 0: \x{100}
+ *** Failers
+No match
+ \x{102}
+No match
+ y
+No match
+
+/[\xFF]/
+ >\xff<
+ 0: \xff
+
+/[\xff]/8
+ >\x{ff}<
+ 0: \x{ff}
+
+/[^\xFF]/
+ XYZ
+ 0: X
+
+/[^\xff]/8
+ XYZ
+ 0: X
+ \x{123}
+ 0: \x{123}
+
+/^[ac]*b/8
+ xb
+No match
+
+/^[ac\x{100}]*b/8
+ xb
+No match
+
+/^[^x]*b/8i
+ xb
+No match
+
+/^[^x]*b/8
+ xb
+No match
+
+/^\d*b/8
+ xb
+No match
+
+/(|a)/g8
+ catac
+ 0:
+ 0: a
+ 1:
+ 0:
+ 0: a
+ 1:
+ 0:
+ 0:
+ a\x{256}a
+ 0: a
+ 1:
+ 0:
+ 0: a
+ 1:
+ 0:
+
+/^\x{85}$/8i
+ \x{85}
+ 0: \x{85}
+
+/^abc./mgx8<any>
+ abc1 \x0aabc2 \x0babc3xx \x0cabc4 \x0dabc5xx \x0d\x0aabc6 \x{0085}abc7 \x{2028}abc8 \x{2029}abc9 JUNK
+ 0: abc1
+ 0: abc2
+ 0: abc3
+ 0: abc4
+ 0: abc5
+ 0: abc6
+ 0: abc7
+ 0: abc8
+ 0: abc9
+
+/abc.$/mgx8<any>
+ abc1\x0a abc2\x0b abc3\x0c abc4\x0d abc5\x0d\x0a abc6\x{0085} abc7\x{2028} abc8\x{2029} abc9
+ 0: abc1
+ 0: abc2
+ 0: abc3
+ 0: abc4
+ 0: abc5
+ 0: abc6
+ 0: abc7
+ 0: abc8
+ 0: abc9
+
+/^a\Rb/8<bsr_unicode>
+ a\nb
+ 0: a\x{0a}b
+ a\rb
+ 0: a\x{0d}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ a\x0bb
+ 0: a\x{0b}b
+ a\x0cb
+ 0: a\x{0c}b
+ a\x{85}b
+ 0: a\x{85}b
+ a\x{2028}b
+ 0: a\x{2028}b
+ a\x{2029}b
+ 0: a\x{2029}b
+ ** Failers
+No match
+ a\n\rb
+No match
+
+/^a\R*b/8<bsr_unicode>
+ ab
+ 0: ab
+ a\nb
+ 0: a\x{0a}b
+ a\rb
+ 0: a\x{0d}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ a\x0bb
+ 0: a\x{0b}b
+ a\x0c\x{2028}\x{2029}b
+ 0: a\x{0c}\x{2028}\x{2029}b
+ a\x{85}b
+ 0: a\x{85}b
+ a\n\rb
+ 0: a\x{0a}\x{0d}b
+ a\n\r\x{85}\x0cb
+ 0: a\x{0a}\x{0d}\x{85}\x{0c}b
+
+/^a\R+b/8<bsr_unicode>
+ a\nb
+ 0: a\x{0a}b
+ a\rb
+ 0: a\x{0d}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ a\x0bb
+ 0: a\x{0b}b
+ a\x0c\x{2028}\x{2029}b
+ 0: a\x{0c}\x{2028}\x{2029}b
+ a\x{85}b
+ 0: a\x{85}b
+ a\n\rb
+ 0: a\x{0a}\x{0d}b
+ a\n\r\x{85}\x0cb
+ 0: a\x{0a}\x{0d}\x{85}\x{0c}b
+ ** Failers
+No match
+ ab
+No match
+
+/^a\R{1,3}b/8<bsr_unicode>
+ a\nb
+ 0: a\x{0a}b
+ a\n\rb
+ 0: a\x{0a}\x{0d}b
+ a\n\r\x{85}b
+ 0: a\x{0a}\x{0d}\x{85}b
+ a\r\n\r\nb
+ 0: a\x{0d}\x{0a}\x{0d}\x{0a}b
+ a\r\n\r\n\r\nb
+ 0: a\x{0d}\x{0a}\x{0d}\x{0a}\x{0d}\x{0a}b
+ a\n\r\n\rb
+ 0: a\x{0a}\x{0d}\x{0a}\x{0d}b
+ a\n\n\r\nb
+ 0: a\x{0a}\x{0a}\x{0d}\x{0a}b
+ ** Failers
+No match
+ a\n\n\n\rb
+No match
+ a\r
+No match
+
+/\h+\V?\v{3,4}/8
+ \x09\x20\x{a0}X\x0a\x0b\x0c\x0d\x0a
+ 0: \x{09} \x{a0}X\x{0a}\x{0b}\x{0c}\x{0d}
+ 1: \x{09} \x{a0}X\x{0a}\x{0b}\x{0c}
+
+/\V?\v{3,4}/8
+ \x20\x{a0}X\x0a\x0b\x0c\x0d\x0a
+ 0: X\x{0a}\x{0b}\x{0c}\x{0d}
+ 1: X\x{0a}\x{0b}\x{0c}
+
+/\h+\V?\v{3,4}/8
+ >\x09\x20\x{a0}X\x0a\x0a\x0a<
+ 0: \x{09} \x{a0}X\x{0a}\x{0a}\x{0a}
+
+/\V?\v{3,4}/8
+ >\x09\x20\x{a0}X\x0a\x0a\x0a<
+ 0: X\x{0a}\x{0a}\x{0a}
+
+/\H\h\V\v/8
+ X X\x0a
+ 0: X X\x{0a}
+ X\x09X\x0b
+ 0: X\x{09}X\x{0b}
+ ** Failers
+No match
+ \x{a0} X\x0a
+No match
+
+/\H*\h+\V?\v{3,4}/8
+ \x09\x20\x{a0}X\x0a\x0b\x0c\x0d\x0a
+ 0: \x{09} \x{a0}X\x{0a}\x{0b}\x{0c}\x{0d}
+ 1: \x{09} \x{a0}X\x{0a}\x{0b}\x{0c}
+ \x09\x20\x{a0}\x0a\x0b\x0c\x0d\x0a
+ 0: \x{09} \x{a0}\x{0a}\x{0b}\x{0c}\x{0d}
+ 1: \x{09} \x{a0}\x{0a}\x{0b}\x{0c}
+ \x09\x20\x{a0}\x0a\x0b\x0c
+ 0: \x{09} \x{a0}\x{0a}\x{0b}\x{0c}
+ ** Failers
+No match
+ \x09\x20\x{a0}\x0a\x0b
+No match
+
+/\H\h\V\v/8
+ \x{3001}\x{3000}\x{2030}\x{2028}
+ 0: \x{3001}\x{3000}\x{2030}\x{2028}
+ X\x{180e}X\x{85}
+ 0: X\x{180e}X\x{85}
+ ** Failers
+No match
+ \x{2009} X\x0a
+No match
+
+/\H*\h+\V?\v{3,4}/8
+ \x{1680}\x{180e}\x{2007}X\x{2028}\x{2029}\x0c\x0d\x0a
+ 0: \x{1680}\x{180e}\x{2007}X\x{2028}\x{2029}\x{0c}\x{0d}
+ 1: \x{1680}\x{180e}\x{2007}X\x{2028}\x{2029}\x{0c}
+ \x09\x{205f}\x{a0}\x0a\x{2029}\x0c\x{2028}\x0a
+ 0: \x{09}\x{205f}\x{a0}\x{0a}\x{2029}\x{0c}\x{2028}
+ 1: \x{09}\x{205f}\x{a0}\x{0a}\x{2029}\x{0c}
+ \x09\x20\x{202f}\x0a\x0b\x0c
+ 0: \x{09} \x{202f}\x{0a}\x{0b}\x{0c}
+ ** Failers
+No match
+ \x09\x{200a}\x{a0}\x{2028}\x0b
+No match
+
+/a\Rb/I8<bsr_anycrlf>
+Capturing subpattern count = 0
+Options: bsr_anycrlf utf8
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x{0d}b
+ a\nb
+ 0: a\x{0a}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ ** Failers
+No match
+ a\x{85}b
+No match
+ a\x0bb
+No match
+
+/a\Rb/I8<bsr_unicode>
+Capturing subpattern count = 0
+Options: bsr_unicode utf8
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x{0d}b
+ a\nb
+ 0: a\x{0a}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ a\x{85}b
+ 0: a\x{85}b
+ a\x0bb
+ 0: a\x{0b}b
+ ** Failers
+No match
+ a\x{85}b\<bsr_anycrlf>
+No match
+ a\x0bb\<bsr_anycrlf>
+No match
+
+/a\R?b/I8<bsr_anycrlf>
+Capturing subpattern count = 0
+Options: bsr_anycrlf utf8
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x{0d}b
+ a\nb
+ 0: a\x{0a}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ ** Failers
+No match
+ a\x{85}b
+No match
+ a\x0bb
+No match
+
+/a\R?b/I8<bsr_unicode>
+Capturing subpattern count = 0
+Options: bsr_unicode utf8
+First char = 'a'
+Need char = 'b'
+ a\rb
+ 0: a\x{0d}b
+ a\nb
+ 0: a\x{0a}b
+ a\r\nb
+ 0: a\x{0d}\x{0a}b
+ a\x{85}b
+ 0: a\x{85}b
+ a\x0bb
+ 0: a\x{0b}b
+ ** Failers
+No match
+ a\x{85}b\<bsr_anycrlf>
+No match
+ a\x0bb\<bsr_anycrlf>
+No match
+
+/ End of testinput 8 /
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput9 b/lib/stdlib/test/re_SUITE_data/testoutput9
new file mode 100644
index 0000000000..acaeb398dd
--- /dev/null
+++ b/lib/stdlib/test/re_SUITE_data/testoutput9
@@ -0,0 +1,1643 @@
+/\pL\P{Nd}/8
+ AB
+ 0: AB
+ *** Failers
+ 0: Fa
+ A0
+No match
+ 00
+No match
+
+/\X./8
+ AB
+ 0: AB
+ A\x{300}BC
+ 0: A\x{300}B
+ A\x{300}\x{301}\x{302}BC
+ 0: A\x{300}\x{301}\x{302}B
+ *** Failers
+ 0: **
+ \x{300}
+No match
+
+/\X\X/8
+ ABC
+ 0: AB
+ A\x{300}B\x{300}\x{301}C
+ 0: A\x{300}B\x{300}\x{301}
+ A\x{300}\x{301}\x{302}BC
+ 0: A\x{300}\x{301}\x{302}B
+ *** Failers
+ 0: **
+ \x{300}
+No match
+
+/^\pL+/8
+ abcd
+ 0: abcd
+ 1: abc
+ 2: ab
+ 3: a
+ a
+ 0: a
+ *** Failers
+No match
+
+/^\PL+/8
+ 1234
+ 0: 1234
+ 1: 123
+ 2: 12
+ 3: 1
+ =
+ 0: =
+ *** Failers
+ 0: ***
+ 1: ***
+ 2: **
+ 3: *
+ abcd
+No match
+
+/^\X+/8
+ abcdA\x{300}\x{301}\x{302}
+ 0: abcdA\x{300}\x{301}\x{302}
+ 1: abcd
+ 2: abc
+ 3: ab
+ 4: a
+ A\x{300}\x{301}\x{302}
+ 0: A\x{300}\x{301}\x{302}
+ A\x{300}\x{301}\x{302}A\x{300}\x{301}\x{302}
+ 0: A\x{300}\x{301}\x{302}A\x{300}\x{301}\x{302}
+ 1: A\x{300}\x{301}\x{302}
+ a
+ 0: a
+ *** Failers
+ 0: *** Failers
+ 1: *** Failer
+ 2: *** Faile
+ 3: *** Fail
+ 4: *** Fai
+ 5: *** Fa
+ 6: *** F
+ 7: ***
+ 8: ***
+ 9: **
+10: *
+ \x{300}\x{301}\x{302}
+No match
+
+/\X?abc/8
+ abc
+ 0: abc
+ A\x{300}abc
+ 0: A\x{300}abc
+ A\x{300}\x{301}\x{302}A\x{300}A\x{300}A\x{300}abcxyz
+ 0: A\x{300}abc
+ \x{300}abc
+ 0: abc
+ *** Failers
+No match
+
+/^\X?abc/8
+ abc
+ 0: abc
+ A\x{300}abc
+ 0: A\x{300}abc
+ *** Failers
+No match
+ A\x{300}\x{301}\x{302}A\x{300}A\x{300}A\x{300}abcxyz
+No match
+ \x{300}abc
+No match
+
+/\X*abc/8
+ abc
+ 0: abc
+ A\x{300}abc
+ 0: A\x{300}abc
+ A\x{300}\x{301}\x{302}A\x{300}A\x{300}A\x{300}abcxyz
+ 0: A\x{300}\x{301}\x{302}A\x{300}A\x{300}A\x{300}abc
+ \x{300}abc
+ 0: abc
+ *** Failers
+No match
+
+/^\X*abc/8
+ abc
+ 0: abc
+ A\x{300}abc
+ 0: A\x{300}abc
+ A\x{300}\x{301}\x{302}A\x{300}A\x{300}A\x{300}abcxyz
+ 0: A\x{300}\x{301}\x{302}A\x{300}A\x{300}A\x{300}abc
+ *** Failers
+No match
+ \x{300}abc
+No match
+
+/^\pL?=./8
+ A=b
+ 0: A=b
+ =c
+ 0: =c
+ *** Failers
+No match
+ 1=2
+No match
+ AAAA=b
+No match
+
+/^\pL*=./8
+ AAAA=b
+ 0: AAAA=b
+ =c
+ 0: =c
+ *** Failers
+No match
+ 1=2
+No match
+
+/^\X{2,3}X/8
+ A\x{300}\x{301}\x{302}A\x{300}\x{301}\x{302}X
+ 0: A\x{300}\x{301}\x{302}A\x{300}\x{301}\x{302}X
+ A\x{300}\x{301}\x{302}A\x{300}\x{301}\x{302}A\x{300}\x{301}\x{302}X
+ 0: A\x{300}\x{301}\x{302}A\x{300}\x{301}\x{302}A\x{300}\x{301}\x{302}X
+ *** Failers
+No match
+ X
+No match
+ A\x{300}\x{301}\x{302}X
+No match
+ A\x{300}\x{301}\x{302}A\x{300}\x{301}\x{302}A\x{300}\x{301}\x{302}A\x{300}\x{301}\x{302}X
+No match
+
+/^\pC\pL\pM\pN\pP\pS\pZ</8
+ \x7f\x{c0}\x{30f}\x{660}\x{66c}\x{f01}\x{1680}<
+ 0: \x{7f}\x{c0}\x{30f}\x{660}\x{66c}\x{f01}\x{1680}<
+ \np\x{300}9!\$ <
+ 0: \x{0a}p\x{300}9!$ <
+ ** Failers
+No match
+ ap\x{300}9!\$ <
+No match
+
+/^\PC/8
+ X
+ 0: X
+ ** Failers
+ 0: *
+ \x7f
+No match
+
+/^\PL/8
+ 9
+ 0: 9
+ ** Failers
+ 0: *
+ \x{c0}
+No match
+
+/^\PM/8
+ X
+ 0: X
+ ** Failers
+ 0: *
+ \x{30f}
+No match
+
+/^\PN/8
+ X
+ 0: X
+ ** Failers
+ 0: *
+ \x{660}
+No match
+
+/^\PP/8
+ X
+ 0: X
+ ** Failers
+No match
+ \x{66c}
+No match
+
+/^\PS/8
+ X
+ 0: X
+ ** Failers
+ 0: *
+ \x{f01}
+No match
+
+/^\PZ/8
+ X
+ 0: X
+ ** Failers
+ 0: *
+ \x{1680}
+No match
+
+/^\p{Cc}/8
+ \x{017}
+ 0: \x{17}
+ \x{09f}
+ 0: \x{9f}
+ ** Failers
+No match
+ \x{0600}
+No match
+
+/^\p{Cf}/8
+ \x{601}
+ 0: \x{601}
+ ** Failers
+No match
+ \x{09f}
+No match
+
+/^\p{Cn}/8
+ ** Failers
+No match
+ \x{09f}
+No match
+
+/^\p{Co}/8
+ \x{f8ff}
+ 0: \x{f8ff}
+ ** Failers
+No match
+ \x{09f}
+No match
+
+/^\p{Cs}/8
+ \?\x{dfff}
+ 0: \x{dfff}
+ ** Failers
+No match
+ \x{09f}
+No match
+
+/^\p{Ll}/8
+ a
+ 0: a
+ ** Failers
+No match
+ Z
+No match
+ \x{e000}
+No match
+
+/^\p{Lm}/8
+ \x{2b0}
+ 0: \x{2b0}
+ ** Failers
+No match
+ a
+No match
+
+/^\p{Lo}/8
+ \x{1bb}
+ 0: \x{1bb}
+ ** Failers
+No match
+ a
+No match
+ \x{2b0}
+No match
+
+/^\p{Lt}/8
+ \x{1c5}
+ 0: \x{1c5}
+ ** Failers
+No match
+ a
+No match
+ \x{2b0}
+No match
+
+/^\p{Lu}/8
+ A
+ 0: A
+ ** Failers
+No match
+ \x{2b0}
+No match
+
+/^\p{Mc}/8
+ \x{903}
+ 0: \x{903}
+ ** Failers
+No match
+ X
+No match
+ \x{300}
+No match
+
+/^\p{Me}/8
+ \x{488}
+ 0: \x{488}
+ ** Failers
+No match
+ X
+No match
+ \x{903}
+No match
+ \x{300}
+No match
+
+/^\p{Mn}/8
+ \x{300}
+ 0: \x{300}
+ ** Failers
+No match
+ X
+No match
+ \x{903}
+No match
+
+/^\p{Nd}+/8
+ 0123456789\x{660}\x{661}\x{662}\x{663}\x{664}\x{665}\x{666}\x{667}\x{668}\x{669}\x{66a}
+ 0: 0123456789\x{660}\x{661}\x{662}\x{663}\x{664}\x{665}\x{666}\x{667}\x{668}\x{669}
+ 1: 0123456789\x{660}\x{661}\x{662}\x{663}\x{664}\x{665}\x{666}\x{667}\x{668}
+ 2: 0123456789\x{660}\x{661}\x{662}\x{663}\x{664}\x{665}\x{666}\x{667}
+ 3: 0123456789\x{660}\x{661}\x{662}\x{663}\x{664}\x{665}\x{666}
+ 4: 0123456789\x{660}\x{661}\x{662}\x{663}\x{664}\x{665}
+ 5: 0123456789\x{660}\x{661}\x{662}\x{663}\x{664}
+ 6: 0123456789\x{660}\x{661}\x{662}\x{663}
+ 7: 0123456789\x{660}\x{661}\x{662}
+ 8: 0123456789\x{660}\x{661}
+ 9: 0123456789\x{660}
+10: 0123456789
+11: 012345678
+12: 01234567
+13: 0123456
+14: 012345
+15: 01234
+16: 0123
+17: 012
+18: 01
+19: 0
+ \x{6f0}\x{6f1}\x{6f2}\x{6f3}\x{6f4}\x{6f5}\x{6f6}\x{6f7}\x{6f8}\x{6f9}\x{6fa}
+ 0: \x{6f0}\x{6f1}\x{6f2}\x{6f3}\x{6f4}\x{6f5}\x{6f6}\x{6f7}\x{6f8}\x{6f9}
+ 1: \x{6f0}\x{6f1}\x{6f2}\x{6f3}\x{6f4}\x{6f5}\x{6f6}\x{6f7}\x{6f8}
+ 2: \x{6f0}\x{6f1}\x{6f2}\x{6f3}\x{6f4}\x{6f5}\x{6f6}\x{6f7}
+ 3: \x{6f0}\x{6f1}\x{6f2}\x{6f3}\x{6f4}\x{6f5}\x{6f6}
+ 4: \x{6f0}\x{6f1}\x{6f2}\x{6f3}\x{6f4}\x{6f5}
+ 5: \x{6f0}\x{6f1}\x{6f2}\x{6f3}\x{6f4}
+ 6: \x{6f0}\x{6f1}\x{6f2}\x{6f3}
+ 7: \x{6f0}\x{6f1}\x{6f2}
+ 8: \x{6f0}\x{6f1}
+ 9: \x{6f0}
+ \x{966}\x{967}\x{968}\x{969}\x{96a}\x{96b}\x{96c}\x{96d}\x{96e}\x{96f}\x{970}
+ 0: \x{966}\x{967}\x{968}\x{969}\x{96a}\x{96b}\x{96c}\x{96d}\x{96e}\x{96f}
+ 1: \x{966}\x{967}\x{968}\x{969}\x{96a}\x{96b}\x{96c}\x{96d}\x{96e}
+ 2: \x{966}\x{967}\x{968}\x{969}\x{96a}\x{96b}\x{96c}\x{96d}
+ 3: \x{966}\x{967}\x{968}\x{969}\x{96a}\x{96b}\x{96c}
+ 4: \x{966}\x{967}\x{968}\x{969}\x{96a}\x{96b}
+ 5: \x{966}\x{967}\x{968}\x{969}\x{96a}
+ 6: \x{966}\x{967}\x{968}\x{969}
+ 7: \x{966}\x{967}\x{968}
+ 8: \x{966}\x{967}
+ 9: \x{966}
+ ** Failers
+No match
+ X
+No match
+
+/^\p{Nl}/8
+ \x{16ee}
+ 0: \x{16ee}
+ ** Failers
+No match
+ X
+No match
+ \x{966}
+No match
+
+/^\p{No}/8
+ \x{b2}
+ 0: \x{b2}
+ \x{b3}
+ 0: \x{b3}
+ ** Failers
+No match
+ X
+No match
+ \x{16ee}
+No match
+
+/^\p{Pc}/8
+ \x5f
+ 0: _
+ \x{203f}
+ 0: \x{203f}
+ ** Failers
+No match
+ X
+No match
+ -
+No match
+ \x{58a}
+No match
+
+/^\p{Pd}/8
+ -
+ 0: -
+ \x{58a}
+ 0: \x{58a}
+ ** Failers
+No match
+ X
+No match
+ \x{203f}
+No match
+
+/^\p{Pe}/8
+ )
+ 0: )
+ ]
+ 0: ]
+ }
+ 0: }
+ \x{f3b}
+ 0: \x{f3b}
+ ** Failers
+No match
+ X
+No match
+ \x{203f}
+No match
+ (
+No match
+ [
+No match
+ {
+No match
+ \x{f3c}
+No match
+
+/^\p{Pf}/8
+ \x{bb}
+ 0: \x{bb}
+ \x{2019}
+ 0: \x{2019}
+ ** Failers
+No match
+ X
+No match
+ \x{203f}
+No match
+
+/^\p{Pi}/8
+ \x{ab}
+ 0: \x{ab}
+ \x{2018}
+ 0: \x{2018}
+ ** Failers
+No match
+ X
+No match
+ \x{203f}
+No match
+
+/^\p{Po}/8
+ !
+ 0: !
+ \x{37e}
+ 0: \x{37e}
+ ** Failers
+ 0: *
+ X
+No match
+ \x{203f}
+No match
+
+/^\p{Ps}/8
+ (
+ 0: (
+ [
+ 0: [
+ {
+ 0: {
+ \x{f3c}
+ 0: \x{f3c}
+ ** Failers
+No match
+ X
+No match
+ )
+No match
+ ]
+No match
+ }
+No match
+ \x{f3b}
+No match
+
+/^\p{Sc}+/8
+ $\x{a2}\x{a3}\x{a4}\x{a5}\x{a6}
+ 0: $\x{a2}\x{a3}\x{a4}\x{a5}
+ 1: $\x{a2}\x{a3}\x{a4}
+ 2: $\x{a2}\x{a3}
+ 3: $\x{a2}
+ 4: $
+ \x{9f2}
+ 0: \x{9f2}
+ ** Failers
+No match
+ X
+No match
+ \x{2c2}
+No match
+
+/^\p{Sk}/8
+ \x{2c2}
+ 0: \x{2c2}
+ ** Failers
+No match
+ X
+No match
+ \x{9f2}
+No match
+
+/^\p{Sm}+/8
+ +<|~\x{ac}\x{2044}
+ 0: +<|~\x{ac}\x{2044}
+ 1: +<|~\x{ac}
+ 2: +<|~
+ 3: +<|
+ 4: +<
+ 5: +
+ ** Failers
+No match
+ X
+No match
+ \x{9f2}
+No match
+
+/^\p{So}/8
+ \x{a6}
+ 0: \x{a6}
+ \x{482}
+ 0: \x{482}
+ ** Failers
+No match
+ X
+No match
+ \x{9f2}
+No match
+
+/^\p{Zl}/8
+ \x{2028}
+ 0: \x{2028}
+ ** Failers
+No match
+ X
+No match
+ \x{2029}
+No match
+
+/^\p{Zp}/8
+ \x{2029}
+ 0: \x{2029}
+ ** Failers
+No match
+ X
+No match
+ \x{2028}
+No match
+
+/^\p{Zs}/8
+ \ \
+ 0:
+ \x{a0}
+ 0: \x{a0}
+ \x{1680}
+ 0: \x{1680}
+ \x{180e}
+ 0: \x{180e}
+ \x{2000}
+ 0: \x{2000}
+ \x{2001}
+ 0: \x{2001}
+ ** Failers
+No match
+ \x{2028}
+No match
+ \x{200d}
+No match
+
+/\p{Nd}+(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+ 1: \x{660}\x{661}\x{662}A
+ 2: \x{660}\x{661}\x{662}
+
+/\p{Nd}+?(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+ 1: \x{660}\x{661}\x{662}A
+ 2: \x{660}\x{661}\x{662}
+
+/\p{Nd}{2,}(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+ 1: \x{660}\x{661}\x{662}A
+
+/\p{Nd}{2,}?(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+ 1: \x{660}\x{661}\x{662}A
+
+/\p{Nd}*(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+ 1: \x{660}\x{661}\x{662}A
+ 2: \x{660}\x{661}\x{662}
+ 3: \x{660}\x{661}
+
+/\p{Nd}*?(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+ 1: \x{660}\x{661}\x{662}A
+ 2: \x{660}\x{661}\x{662}
+ 3: \x{660}\x{661}
+
+/\p{Nd}{2}(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}A
+
+/\p{Nd}{2,3}(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+ 1: \x{660}\x{661}\x{662}A
+
+/\p{Nd}{2,3}?(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+ 1: \x{660}\x{661}\x{662}A
+
+/\p{Nd}?(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}
+ 1: \x{660}\x{661}
+
+/\p{Nd}??(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}
+ 1: \x{660}\x{661}
+
+/\p{Nd}*+(..)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}AB
+
+/\p{Nd}*+(...)/8
+ \x{660}\x{661}\x{662}ABC
+ 0: \x{660}\x{661}\x{662}ABC
+
+/\p{Nd}*+(....)/8
+ ** Failers
+ 0: ** F
+ \x{660}\x{661}\x{662}ABC
+No match
+
+/\p{Lu}/8i
+ A
+ 0: A
+ a\x{10a0}B
+ 0: \x{10a0}
+ ** Failers
+ 0: F
+ a
+No match
+ \x{1d00}
+No match
+
+/\p{^Lu}/8i
+ 1234
+ 0: 1
+ ** Failers
+ 0: *
+ ABC
+No match
+
+/\P{Lu}/8i
+ 1234
+ 0: 1
+ ** Failers
+ 0: *
+ ABC
+No match
+
+/(?<=A\p{Nd})XYZ/8
+ A2XYZ
+ 0: XYZ
+ 123A5XYZPQR
+ 0: XYZ
+ ABA\x{660}XYZpqr
+ 0: XYZ
+ ** Failers
+No match
+ AXYZ
+No match
+ XYZ
+No match
+
+/(?<!\pL)XYZ/8
+ 1XYZ
+ 0: XYZ
+ AB=XYZ..
+ 0: XYZ
+ XYZ
+ 0: XYZ
+ ** Failers
+No match
+ WXYZ
+No match
+
+/[\p{Nd}]/8
+ 1234
+ 0: 1
+
+/[\p{Nd}+-]+/8
+ 1234
+ 0: 1234
+ 1: 123
+ 2: 12
+ 3: 1
+ 12-34
+ 0: 12-34
+ 1: 12-3
+ 2: 12-
+ 3: 12
+ 4: 1
+ 12+\x{661}-34
+ 0: 12+\x{661}-34
+ 1: 12+\x{661}-3
+ 2: 12+\x{661}-
+ 3: 12+\x{661}
+ 4: 12+
+ 5: 12
+ 6: 1
+ ** Failers
+No match
+ abcd
+No match
+
+/[\P{Nd}]+/8
+ abcd
+ 0: abcd
+ 1: abc
+ 2: ab
+ 3: a
+ ** Failers
+ 0: ** Failers
+ 1: ** Failer
+ 2: ** Faile
+ 3: ** Fail
+ 4: ** Fai
+ 5: ** Fa
+ 6: ** F
+ 7: **
+ 8: **
+ 9: *
+ 1234
+No match
+
+/\D+/8
+ 11111111111111111111111111111111111111111111111111111111111111111111111
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+Matched, but too many subsidiary matches
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 1: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 2: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 3: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 4: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 5: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 6: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 7: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 8: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 9: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+10: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+11: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+12: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+13: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+14: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+15: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+16: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+17: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+18: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+19: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+20: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+21: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/\P{Nd}+/8
+ 11111111111111111111111111111111111111111111111111111111111111111111111
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+Matched, but too many subsidiary matches
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 1: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 2: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 3: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 4: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 5: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 6: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 7: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 8: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 9: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+10: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+11: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+12: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+13: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+14: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+15: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+16: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+17: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+18: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+19: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+20: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+21: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/[\D]+/8
+ 11111111111111111111111111111111111111111111111111111111111111111111111
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+Matched, but too many subsidiary matches
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 1: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 2: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 3: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 4: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 5: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 6: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 7: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 8: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 9: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+10: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+11: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+12: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+13: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+14: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+15: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+16: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+17: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+18: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+19: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+20: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+21: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/[\P{Nd}]+/8
+ 11111111111111111111111111111111111111111111111111111111111111111111111
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+Matched, but too many subsidiary matches
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 1: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 2: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 3: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 4: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 5: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 6: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 7: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 8: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 9: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+10: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+11: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+12: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+13: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+14: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+15: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+16: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+17: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+18: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+19: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+20: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+21: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/[\D\P{Nd}]+/8
+ 11111111111111111111111111111111111111111111111111111111111111111111111
+No match
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+Matched, but too many subsidiary matches
+ 0: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 1: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 2: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 3: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 4: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 5: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 6: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 7: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 8: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ 9: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+10: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+11: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+12: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+13: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+14: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+15: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+16: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+17: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+18: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+19: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+20: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+21: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+
+/\pL/8
+ a
+ 0: a
+ A
+ 0: A
+
+/\pL/8i
+ a
+ 0: a
+ A
+ 0: A
+
+/\p{Lu}/8
+ A
+ 0: A
+ aZ
+ 0: Z
+ ** Failers
+ 0: F
+ abc
+No match
+
+/\p{Lu}/8i
+ A
+ 0: A
+ aZ
+ 0: Z
+ ** Failers
+ 0: F
+ abc
+No match
+
+/\p{Ll}/8
+ a
+ 0: a
+ Az
+ 0: z
+ ** Failers
+ 0: a
+ ABC
+No match
+
+/\p{Ll}/8i
+ a
+ 0: a
+ Az
+ 0: z
+ ** Failers
+ 0: a
+ ABC
+No match
+
+/^\x{c0}$/8i
+ \x{c0}
+ 0: \x{c0}
+ \x{e0}
+ 0: \x{e0}
+
+/^\x{e0}$/8i
+ \x{c0}
+ 0: \x{c0}
+ \x{e0}
+ 0: \x{e0}
+
+/A\x{391}\x{10427}\x{ff3a}\x{1fb0}/8
+ A\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ 0: A\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ ** Failers
+No match
+ a\x{391}\x{10427}\x{ff3a}\x{1fb0}
+No match
+ A\x{3b1}\x{10427}\x{ff3a}\x{1fb0}
+No match
+ A\x{391}\x{1044F}\x{ff3a}\x{1fb0}
+No match
+ A\x{391}\x{10427}\x{ff5a}\x{1fb0}
+No match
+ A\x{391}\x{10427}\x{ff3a}\x{1fb8}
+No match
+
+/A\x{391}\x{10427}\x{ff3a}\x{1fb0}/8i
+ A\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ 0: A\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ a\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ 0: a\x{391}\x{10427}\x{ff3a}\x{1fb0}
+ A\x{3b1}\x{10427}\x{ff3a}\x{1fb0}
+ 0: A\x{3b1}\x{10427}\x{ff3a}\x{1fb0}
+ A\x{391}\x{1044F}\x{ff3a}\x{1fb0}
+ 0: A\x{391}\x{1044f}\x{ff3a}\x{1fb0}
+ A\x{391}\x{10427}\x{ff5a}\x{1fb0}
+ 0: A\x{391}\x{10427}\x{ff5a}\x{1fb0}
+ A\x{391}\x{10427}\x{ff3a}\x{1fb8}
+ 0: A\x{391}\x{10427}\x{ff3a}\x{1fb8}
+
+/\x{391}+/8i
+ \x{391}\x{3b1}\x{3b1}\x{3b1}\x{391}
+ 0: \x{391}\x{3b1}\x{3b1}\x{3b1}\x{391}
+ 1: \x{391}\x{3b1}\x{3b1}\x{3b1}
+ 2: \x{391}\x{3b1}\x{3b1}
+ 3: \x{391}\x{3b1}
+ 4: \x{391}
+
+/\x{391}{3,5}(.)/8i
+ \x{391}\x{3b1}\x{3b1}\x{3b1}\x{391}X
+ 0: \x{391}\x{3b1}\x{3b1}\x{3b1}\x{391}X
+ 1: \x{391}\x{3b1}\x{3b1}\x{3b1}\x{391}
+ 2: \x{391}\x{3b1}\x{3b1}\x{3b1}
+
+/\x{391}{3,5}?(.)/8i
+ \x{391}\x{3b1}\x{3b1}\x{3b1}\x{391}X
+ 0: \x{391}\x{3b1}\x{3b1}\x{3b1}\x{391}X
+ 1: \x{391}\x{3b1}\x{3b1}\x{3b1}\x{391}
+ 2: \x{391}\x{3b1}\x{3b1}\x{3b1}
+
+/[\x{391}\x{ff3a}]/8i
+ \x{391}
+ 0: \x{391}
+ \x{ff3a}
+ 0: \x{ff3a}
+ \x{3b1}
+ 0: \x{3b1}
+ \x{ff5a}
+ 0: \x{ff5a}
+
+/[\x{c0}\x{391}]/8i
+ \x{c0}
+ 0: \x{c0}
+ \x{e0}
+ 0: \x{e0}
+
+/[\x{105}-\x{109}]/8i
+ \x{104}
+ 0: \x{104}
+ \x{105}
+ 0: \x{105}
+ \x{109}
+ 0: \x{109}
+ ** Failers
+No match
+ \x{100}
+No match
+ \x{10a}
+No match
+
+/[z-\x{100}]/8i
+ Z
+ 0: Z
+ z
+ 0: z
+ \x{39c}
+ 0: \x{39c}
+ \x{178}
+ 0: \x{178}
+ |
+ 0: |
+ \x{80}
+ 0: \x{80}
+ \x{ff}
+ 0: \x{ff}
+ \x{100}
+ 0: \x{100}
+ \x{101}
+ 0: \x{101}
+ ** Failers
+No match
+ \x{102}
+No match
+ Y
+No match
+ y
+No match
+
+/[z-\x{100}]/8i
+
+/^\X/8
+ A
+ 0: A
+ A\x{300}BC
+ 0: A\x{300}
+ A\x{300}\x{301}\x{302}BC
+ 0: A\x{300}\x{301}\x{302}
+ *** Failers
+ 0: *
+ \x{300}
+No match
+
+/^[\X]/8
+ X123
+ 0: X
+ *** Failers
+No match
+ AXYZ
+No match
+
+/^(\X*)C/8
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}
+ 0: A\x{300}\x{301}\x{302}BC
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 0: A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 1: A\x{300}\x{301}\x{302}BC
+
+/^(\X*?)C/8
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}
+ 0: A\x{300}\x{301}\x{302}BC
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 0: A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 1: A\x{300}\x{301}\x{302}BC
+
+/^(\X*)(.)/8
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}
+ 0: A\x{300}\x{301}\x{302}BCA
+ 1: A\x{300}\x{301}\x{302}BC
+ 2: A\x{300}\x{301}\x{302}B
+ 3: A
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 0: A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 1: A\x{300}\x{301}\x{302}BCA
+ 2: A\x{300}\x{301}\x{302}BC
+ 3: A\x{300}\x{301}\x{302}B
+ 4: A
+
+/^(\X*?)(.)/8
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}
+ 0: A\x{300}\x{301}\x{302}BCA
+ 1: A\x{300}\x{301}\x{302}BC
+ 2: A\x{300}\x{301}\x{302}B
+ 3: A
+ A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 0: A\x{300}\x{301}\x{302}BCA\x{300}\x{301}C
+ 1: A\x{300}\x{301}\x{302}BCA
+ 2: A\x{300}\x{301}\x{302}BC
+ 3: A\x{300}\x{301}\x{302}B
+ 4: A
+
+/^\X(.)/8
+ *** Failers
+ 0: **
+ A\x{300}\x{301}\x{302}
+No match
+
+/^\X{2,3}(.)/8
+ A\x{300}\x{301}B\x{300}X
+ 0: A\x{300}\x{301}B\x{300}X
+ A\x{300}\x{301}B\x{300}C\x{300}\x{301}
+ 0: A\x{300}\x{301}B\x{300}C
+ A\x{300}\x{301}B\x{300}C\x{300}\x{301}X
+ 0: A\x{300}\x{301}B\x{300}C\x{300}\x{301}X
+ 1: A\x{300}\x{301}B\x{300}C
+ A\x{300}\x{301}B\x{300}C\x{300}\x{301}DA\x{300}X
+ 0: A\x{300}\x{301}B\x{300}C\x{300}\x{301}D
+ 1: A\x{300}\x{301}B\x{300}C
+
+/^\X{2,3}?(.)/8
+ A\x{300}\x{301}B\x{300}X
+ 0: A\x{300}\x{301}B\x{300}X
+ A\x{300}\x{301}B\x{300}C\x{300}\x{301}
+ 0: A\x{300}\x{301}B\x{300}C
+ A\x{300}\x{301}B\x{300}C\x{300}\x{301}X
+ 0: A\x{300}\x{301}B\x{300}C\x{300}\x{301}X
+ 1: A\x{300}\x{301}B\x{300}C
+ A\x{300}\x{301}B\x{300}C\x{300}\x{301}DA\x{300}X
+ 0: A\x{300}\x{301}B\x{300}C\x{300}\x{301}D
+ 1: A\x{300}\x{301}B\x{300}C
+
+/^\pN{2,3}X/
+ 12X
+ 0: 12X
+ 123X
+ 0: 123X
+ *** Failers
+No match
+ X
+No match
+ 1X
+No match
+ 1234X
+No match
+
+/\x{100}/i8
+ \x{100}
+ 0: \x{100}
+ \x{101}
+ 0: \x{101}
+
+/^\p{Han}+/8
+ \x{2e81}\x{3007}\x{2f804}\x{31a0}
+ 0: \x{2e81}\x{3007}\x{2f804}
+ 1: \x{2e81}\x{3007}
+ 2: \x{2e81}
+ ** Failers
+No match
+ \x{2e7f}
+No match
+
+/^\P{Katakana}+/8
+ \x{3105}
+ 0: \x{3105}
+ ** Failers
+ 0: ** Failers
+ 1: ** Failer
+ 2: ** Faile
+ 3: ** Fail
+ 4: ** Fai
+ 5: ** Fa
+ 6: ** F
+ 7: **
+ 8: **
+ 9: *
+ \x{30ff}
+No match
+
+/^[\p{Arabic}]/8
+ \x{06e9}
+ 0: \x{6e9}
+ \x{060b}
+ 0: \x{60b}
+ ** Failers
+No match
+ X\x{06e9}
+No match
+
+/^[\P{Yi}]/8
+ \x{2f800}
+ 0: \x{2f800}
+ ** Failers
+ 0: *
+ \x{a014}
+No match
+ \x{a4c6}
+No match
+
+/^\p{Any}X/8
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ ** Failers
+No match
+ X
+No match
+
+/^\P{Any}X/8
+ ** Failers
+No match
+ AX
+No match
+
+/^\p{Any}?X/8
+ XYZ
+ 0: X
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ ** Failers
+No match
+ ABXYZ
+No match
+
+/^\P{Any}?X/8
+ XYZ
+ 0: X
+ ** Failers
+No match
+ AXYZ
+No match
+ \x{1234}XYZ
+No match
+ ABXYZ
+No match
+
+/^\p{Any}+X/8
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ A\x{1234}XYZ
+ 0: A\x{1234}X
+ ** Failers
+No match
+ XYZ
+No match
+
+/^\P{Any}+X/8
+ ** Failers
+No match
+ AXYZ
+No match
+ \x{1234}XYZ
+No match
+ A\x{1234}XYZ
+No match
+ XYZ
+No match
+
+/^\p{Any}*X/8
+ XYZ
+ 0: X
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ A\x{1234}XYZ
+ 0: A\x{1234}X
+ ** Failers
+No match
+
+/^\P{Any}*X/8
+ XYZ
+ 0: X
+ ** Failers
+No match
+ AXYZ
+No match
+ \x{1234}XYZ
+No match
+ A\x{1234}XYZ
+No match
+
+/^[\p{Any}]X/8
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ ** Failers
+No match
+ X
+No match
+
+/^[\P{Any}]X/8
+ ** Failers
+No match
+ AX
+No match
+
+/^[\p{Any}]?X/8
+ XYZ
+ 0: X
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ ** Failers
+No match
+ ABXYZ
+No match
+
+/^[\P{Any}]?X/8
+ XYZ
+ 0: X
+ ** Failers
+No match
+ AXYZ
+No match
+ \x{1234}XYZ
+No match
+ ABXYZ
+No match
+
+/^[\p{Any}]+X/8
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ A\x{1234}XYZ
+ 0: A\x{1234}X
+ ** Failers
+No match
+ XYZ
+No match
+
+/^[\P{Any}]+X/8
+ ** Failers
+No match
+ AXYZ
+No match
+ \x{1234}XYZ
+No match
+ A\x{1234}XYZ
+No match
+ XYZ
+No match
+
+/^[\p{Any}]*X/8
+ XYZ
+ 0: X
+ AXYZ
+ 0: AX
+ \x{1234}XYZ
+ 0: \x{1234}X
+ A\x{1234}XYZ
+ 0: A\x{1234}X
+ ** Failers
+No match
+
+/^[\P{Any}]*X/8
+ XYZ
+ 0: X
+ ** Failers
+No match
+ AXYZ
+No match
+ \x{1234}XYZ
+No match
+ A\x{1234}XYZ
+No match
+
+/^\p{Any}{3,5}?/8
+ abcdefgh
+ 0: abcde
+ 1: abcd
+ 2: abc
+ \x{1234}\n\r\x{3456}xyz
+ 0: \x{1234}\x{0a}\x{0d}\x{3456}x
+ 1: \x{1234}\x{0a}\x{0d}\x{3456}
+ 2: \x{1234}\x{0a}\x{0d}
+
+/^\p{Any}{3,5}/8
+ abcdefgh
+ 0: abcde
+ 1: abcd
+ 2: abc
+ \x{1234}\n\r\x{3456}xyz
+ 0: \x{1234}\x{0a}\x{0d}\x{3456}x
+ 1: \x{1234}\x{0a}\x{0d}\x{3456}
+ 2: \x{1234}\x{0a}\x{0d}
+
+/^\P{Any}{3,5}?/8
+ ** Failers
+No match
+ abcdefgh
+No match
+ \x{1234}\n\r\x{3456}xyz
+No match
+
+/^\p{L&}X/8
+ AXY
+ 0: AX
+ aXY
+ 0: aX
+ \x{1c5}XY
+ 0: \x{1c5}X
+ ** Failers
+No match
+ \x{1bb}XY
+No match
+ \x{2b0}XY
+No match
+ !XY
+No match
+
+/^[\p{L&}]X/8
+ AXY
+ 0: AX
+ aXY
+ 0: aX
+ \x{1c5}XY
+ 0: \x{1c5}X
+ ** Failers
+No match
+ \x{1bb}XY
+No match
+ \x{2b0}XY
+No match
+ !XY
+No match
+
+/^\p{L&}+X/8
+ AXY
+ 0: AX
+ aXY
+ 0: aX
+ AbcdeXyz
+ 0: AbcdeX
+ \x{1c5}AbXY
+ 0: \x{1c5}AbX
+ abcDEXypqreXlmn
+ 0: abcDEXypqreX
+ 1: abcDEX
+ ** Failers
+No match
+ \x{1bb}XY
+No match
+ \x{2b0}XY
+No match
+ !XY
+No match
+
+/^[\p{L&}]+X/8
+ AXY
+ 0: AX
+ aXY
+ 0: aX
+ AbcdeXyz
+ 0: AbcdeX
+ \x{1c5}AbXY
+ 0: \x{1c5}AbX
+ abcDEXypqreXlmn
+ 0: abcDEXypqreX
+ 1: abcDEX
+ ** Failers
+No match
+ \x{1bb}XY
+No match
+ \x{2b0}XY
+No match
+ !XY
+No match
+
+/^\p{L&}+?X/8
+ AXY
+ 0: AX
+ aXY
+ 0: aX
+ AbcdeXyz
+ 0: AbcdeX
+ \x{1c5}AbXY
+ 0: \x{1c5}AbX
+ abcDEXypqreXlmn
+ 0: abcDEXypqreX
+ 1: abcDEX
+ ** Failers
+No match
+ \x{1bb}XY
+No match
+ \x{2b0}XY
+No match
+ !XY
+No match
+
+/^[\p{L&}]+?X/8
+ AXY
+ 0: AX
+ aXY
+ 0: aX
+ AbcdeXyz
+ 0: AbcdeX
+ \x{1c5}AbXY
+ 0: \x{1c5}AbX
+ abcDEXypqreXlmn
+ 0: abcDEXypqreX
+ 1: abcDEX
+ ** Failers
+No match
+ \x{1bb}XY
+No match
+ \x{2b0}XY
+No match
+ !XY
+No match
+
+/^\P{L&}X/8
+ !XY
+ 0: !X
+ \x{1bb}XY
+ 0: \x{1bb}X
+ \x{2b0}XY
+ 0: \x{2b0}X
+ ** Failers
+No match
+ \x{1c5}XY
+No match
+ AXY
+No match
+
+/^[\P{L&}]X/8
+ !XY
+ 0: !X
+ \x{1bb}XY
+ 0: \x{1bb}X
+ \x{2b0}XY
+ 0: \x{2b0}X
+ ** Failers
+No match
+ \x{1c5}XY
+No match
+ AXY
+No match
+
+/^\x{023a}+?(\x{0130}+)/8i
+ \x{023a}\x{2c65}\x{0130}
+ 0: \x{23a}\x{2c65}\x{130}
+
+/^\x{023a}+([^X])/8i
+ \x{023a}\x{2c65}X
+ 0: \x{23a}\x{2c65}
+
+/Check property support in non-UTF-8 mode/
+
+/\p{L}{4}/
+ 123abcdefg
+ 0: abcd
+ 123abc\xc4\xc5zz
+ 0: abc\xc4
+
+/ End /
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 12:03:03 +0000