a[b-d] aac y $& ac
a[-b] a- y $& a-
a[b-] a- y $& a-
-a[b-a] - c - /a[b-a]/: invalid [] range in regexp
+a[b-a] - c - /a[b-a]/: invalid [] range "b-a" in regexp
a[]b - c - /a[]b/: unmatched [] in regexp
a[ - c - /a[/: unmatched [] in regexp
a] a] y $& a]
(bc+d$|ef*g.|h?i(j|k)) reffgz y $&-$1-$2 effgz-effgz-
((((((((((a)))))))))) a y $10 a
((((((((((a))))))))))\10 aa y $& aa
-((((((((((a))))))))))\41 aa n - -
-((((((((((a))))))))))\41 a! y $& a!
+((((((((((a))))))))))${bang} aa n - -
+((((((((((a))))))))))${bang} a! y $& a!
(((((((((a))))))))) a y $& a
multiple words of text uh-uh n - -
multiple words multiple words, yeah y $& multiple words
a[-]?c ac y $& ac
(abc)\1 abcabc y $1 abc
([a-c]*)\1 abcabc y $1 abc
+\1 - c - /\1/: reference to nonexistent group
+\2 - c - /\2/: reference to nonexistent group
+(a)|\1 a y - -
+(a)|\1 x n - -
+(a)|\2 - c - /(a)|\2/: reference to nonexistent group
+(([a-c])b*?\2)* ababbbcbc y $&-$1-$2 ababb-bb-b
+(([a-c])b*?\2){3} ababbbcbc y $&-$1-$2 ababbbcbc-cbc-c
+((\3|b)\2(a)x)+ aaxabxbaxbbx n - -
+((\3|b)\2(a)x)+ aaaxabaxbaaxbbax y $&-$1-$2-$3 bbax-bbax-b-a
+((\3|b)\2(a)){2,} bbaababbabaaaaabbaaaabba y $&-$1-$2-$3 bbaaaabba-bba-b-a
'abc'i ABC y $& ABC
'abc'i XBC n - -
'abc'i AXC n - -
'a[b-d]'i AAC y $& AC
'a[-b]'i A- y $& A-
'a[b-]'i A- y $& A-
-'a[b-a]'i - c - /a[b-a]/: invalid [] range in regexp
+'a[b-a]'i - c - /a[b-a]/: invalid [] range "b-a" in regexp
'a[]b'i - c - /a[]b/: unmatched [] in regexp
'a['i - c - /a[/: unmatched [] in regexp
'a]'i A] y $& A]
'(bc+d$|ef*g.|h?i(j|k))'i REFFGZ y $&-$1-$2 EFFGZ-EFFGZ-
'((((((((((a))))))))))'i A y $10 A
'((((((((((a))))))))))\10'i AA y $& AA
-'((((((((((a))))))))))\41'i AA n - -
-'((((((((((a))))))))))\41'i A! y $& A!
+'((((((((((a))))))))))${bang}'i AA n - -
+'((((((((((a))))))))))${bang}'i A! y $& A!
'(((((((((a)))))))))'i A y $& A
'(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))'i A y $1 A
'(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))'i C y $1 C
^(a\1?){4}$ aaaaaaaaaa y $1 aaaa
^(a\1?){4}$ aaaaaaaaa n - -
^(a\1?){4}$ aaaaaaaaaaa n - -
-^(a\1){4}$ aaaaaaaaaa y $1 aaaa
-^(a\1){4}$ aaaaaaaaa n - -
-^(a\1){4}$ aaaaaaaaaaa n - -
+^(a(?(1)\1)){4}$ aaaaaaaaaa y $1 aaaa
+^(a(?(1)\1)){4}$ aaaaaaaaa n - -
+^(a(?(1)\1)){4}$ aaaaaaaaaaa n - -
+((a{4})+) aaaaaaaaa y $1 aaaaaaaa
+(((aa){2})+) aaaaaaaaaa y $1 aaaaaaaa
+(((a{2}){2})+) aaaaaaaaaa y $1 aaaaaaaa
(?:(f)(o)(o)|(b)(a)(r))* foobar y $1:$2:$3:$4:$5:$6 f:o:o:b:a:r
(?<=a)b ab y $& b
(?<=a)b cb n - -
((?i)a)b Ab y $&:$1 Ab:A
(?:(?i)a)b aB n - -
((?i)a)b aB n - -
+(?i:a)b ab y $& ab
+((?i:a))b ab y $&:$1 ab:a
+(?i:a)b Ab y $& Ab
+((?i:a))b Ab y $&:$1 Ab:A
+(?i:a)b aB n - -
+((?i:a))b aB n - -
+'(?:(?-i)a)b'i ab y $& ab
+'((?-i)a)b'i ab y $&:$1 ab:a
+'(?:(?-i)a)b'i aB y $& aB
+'((?-i)a)b'i aB y $&:$1 aB:a
+'(?:(?-i)a)b'i Ab n - -
+'((?-i)a)b'i Ab n - -
+'(?:(?-i)a)b'i aB y $& aB
+'((?-i)a)b'i aB y $1 a
+'(?:(?-i)a)b'i AB n - -
+'((?-i)a)b'i AB n - -
+'(?-i:a)b'i ab y $& ab
+'((?-i:a))b'i ab y $&:$1 ab:a
+'(?-i:a)b'i aB y $& aB
+'((?-i:a))b'i aB y $&:$1 aB:a
+'(?-i:a)b'i Ab n - -
+'((?-i:a))b'i Ab n - -
+'(?-i:a)b'i aB y $& aB
+'((?-i:a))b'i aB y $1 a
+'(?-i:a)b'i AB n - -
+'((?-i:a))b'i AB n - -
+'((?-i:a.))b'i a\nB n - -
+'((?s-i:a.))b'i a\nB y $1 a\n
+'((?s-i:a.))b'i B\nB n - -
(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b))) cabbbb y $& cabbbb
(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb))) caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb y $& caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
'(ab)\d\1'i Ab4ab y $1 Ab
'(ab)\d\1'i ab4Ab y $1 ab
foo\w*\d{4}baz foobar1234baz y $& foobar1234baz
-a{1,32766} aaa y $& aaa
-a{1,32767} - c - /a{1,32767}/: Quantifier in {,} bigger than
-a{1,32768} - c - /a{1,32768}/: Quantifier in {,} bigger than
a(?{})b cabd y $& ab
a(?{)b - c - /a(?{)b/: Sequence (?{...}) not terminated or not {}-balanced
a(?{{})b - c - /a(?{{})b/: Sequence (?{...}) not terminated or not {}-balanced
a(?{}})b - c - /a(?{}})b/: Sequence (?{...}) not terminated or not {}-balanced
a(?{"{"})b - c - /a(?{"{"})b/: Sequence (?{...}) not terminated or not {}-balanced
a(?{"\{"})b cabd y $& ab
-a(?{"{"}})b - c - Unmatched right bracket
+a(?{"{"}})b - c - Unmatched right curly bracket
a(?{$bl="\{"}).b caxbd y $bl {
x(~~)*(?:(?:F)?)? x~~ y - -
^a(?#xxx){3}c aaac y $& aaac
(?{$a=2})(a(?{local$a=$a+1}))*aak*c(?{$b=$a}) yaaxxaaaacd y $b 4
(>a+)ab aaab n - -
(?>a+)b aaab y - -
+([[:]+) a:[b]: y $1 :[
+([[=]+) a=[b]= y $1 =[
+([[.]+) a.[b]. y $1 .[
+[a[:xyz: - c - /[a[:xyz:/: unmatched [] in regexp
+[a[:xyz:] - c - Character class [:xyz:] unknown
+[a[:]b[:c] abc y $& abc
+([a[:xyz:]b]+) pbaq c - Character class [:xyz:] unknown
+[a[:]b[:c] abc y $& abc
+([[:alpha:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd
+([[:alnum:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy
+([[:ascii:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__-- ${nulnul}
+([[:cntrl:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ${nulnul}
+([[:digit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 01
+([[:graph:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
+([[:lower:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 cd
+([[:print:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
+([[:punct:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 __--
+([[:space:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1
+([[:word:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__
+([[:upper:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 AB
+([[:xdigit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01
+([[:^alpha:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 01
+([[:^alnum:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 __-- ${nulnul}${ffff}
+([[:^ascii:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ${ffff}
+([[:^cntrl:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
+([[:^digit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd
+([[:^lower:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 AB
+([[:^print:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ${nulnul}${ffff}
+([[:^punct:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy
+([[:^space:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
+([[:^word:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 -- ${nulnul}${ffff}
+([[:^upper:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 cd01
+([[:^xdigit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 Xy__-- ${nulnul}${ffff}
+[[:foo:]] - c - Character class [:foo:] unknown
+[[:^foo:]] - c - Character class [:^foo:] unknown
((?>a+)b) aaab y $1 aaab
(?>(a+))b aaab y $1 aaa
((?>[^()]+)|\([^()]*\))+ ((abc(ade)ufh()()x y $& abc(ade)ufh()()x
+(?<=x+)y - c - /(?<=x+)y/: variable length lookbehind not implemented
+a{37,17} - c - /a{37,17}/: Can't do {n,m} with n > m
+\Z a\nb\n y $-[0] 3
+\z a\nb\n y $-[0] 4
+$ a\nb\n y $-[0] 3
+\Z b\na\n y $-[0] 3
+\z b\na\n y $-[0] 4
+$ b\na\n y $-[0] 3
+\Z b\na y $-[0] 3
+\z b\na y $-[0] 3
+$ b\na y $-[0] 3
+'\Z'm a\nb\n y $-[0] 3
+'\z'm a\nb\n y $-[0] 4
+'$'m a\nb\n y $-[0] 1
+'\Z'm b\na\n y $-[0] 3
+'\z'm b\na\n y $-[0] 4
+'$'m b\na\n y $-[0] 1
+'\Z'm b\na y $-[0] 3
+'\z'm b\na y $-[0] 3
+'$'m b\na y $-[0] 1
+a\Z a\nb\n n - -
+a\z a\nb\n n - -
+a$ a\nb\n n - -
+a\Z b\na\n y $-[0] 2
+a\z b\na\n n - -
+a$ b\na\n y $-[0] 2
+a\Z b\na y $-[0] 2
+a\z b\na y $-[0] 2
+a$ b\na y $-[0] 2
+'a\Z'm a\nb\n bn - -
+'a\z'm a\nb\n n - -
+'a$'m a\nb\n y $-[0] 0
+'a\Z'm b\na\n y $-[0] 2
+'a\z'm b\na\n n - -
+'a$'m b\na\n y $-[0] 2
+'a\Z'm b\na y $-[0] 2
+'a\z'm b\na y $-[0] 2
+'a$'m b\na y $-[0] 2
+aa\Z aa\nb\n n - -
+aa\z aa\nb\n n - -
+aa$ aa\nb\n n - -
+aa\Z b\naa\n y $-[0] 2
+aa\z b\naa\n n - -
+aa$ b\naa\n y $-[0] 2
+aa\Z b\naa y $-[0] 2
+aa\z b\naa y $-[0] 2
+aa$ b\naa y $-[0] 2
+'aa\Z'm aa\nb\n bn - -
+'aa\z'm aa\nb\n n - -
+'aa$'m aa\nb\n y $-[0] 0
+'aa\Z'm b\naa\n y $-[0] 2
+'aa\z'm b\naa\n n - -
+'aa$'m b\naa\n y $-[0] 2
+'aa\Z'm b\naa y $-[0] 2
+'aa\z'm b\naa y $-[0] 2
+'aa$'m b\naa y $-[0] 2
+aa\Z ac\nb\n n - -
+aa\z ac\nb\n n - -
+aa$ ac\nb\n n - -
+aa\Z b\nac\n n - -
+aa\z b\nac\n n - -
+aa$ b\nac\n n - -
+aa\Z b\nac n - -
+aa\z b\nac n - -
+aa$ b\nac n - -
+'aa\Z'm ac\nb\n n - -
+'aa\z'm ac\nb\n n - -
+'aa$'m ac\nb\n n - -
+'aa\Z'm b\nac\n n - -
+'aa\z'm b\nac\n n - -
+'aa$'m b\nac\n n - -
+'aa\Z'm b\nac n - -
+'aa\z'm b\nac n - -
+'aa$'m b\nac n - -
+aa\Z ca\nb\n n - -
+aa\z ca\nb\n n - -
+aa$ ca\nb\n n - -
+aa\Z b\nca\n n - -
+aa\z b\nca\n n - -
+aa$ b\nca\n n - -
+aa\Z b\nca n - -
+aa\z b\nca n - -
+aa$ b\nca n - -
+'aa\Z'm ca\nb\n n - -
+'aa\z'm ca\nb\n n - -
+'aa$'m ca\nb\n n - -
+'aa\Z'm b\nca\n n - -
+'aa\z'm b\nca\n n - -
+'aa$'m b\nca\n n - -
+'aa\Z'm b\nca n - -
+'aa\z'm b\nca n - -
+'aa$'m b\nca n - -
+ab\Z ab\nb\n n - -
+ab\z ab\nb\n n - -
+ab$ ab\nb\n n - -
+ab\Z b\nab\n y $-[0] 2
+ab\z b\nab\n n - -
+ab$ b\nab\n y $-[0] 2
+ab\Z b\nab y $-[0] 2
+ab\z b\nab y $-[0] 2
+ab$ b\nab y $-[0] 2
+'ab\Z'm ab\nb\n bn - -
+'ab\z'm ab\nb\n n - -
+'ab$'m ab\nb\n y $-[0] 0
+'ab\Z'm b\nab\n y $-[0] 2
+'ab\z'm b\nab\n n - -
+'ab$'m b\nab\n y $-[0] 2
+'ab\Z'm b\nab y $-[0] 2
+'ab\z'm b\nab y $-[0] 2
+'ab$'m b\nab y $-[0] 2
+ab\Z ac\nb\n n - -
+ab\z ac\nb\n n - -
+ab$ ac\nb\n n - -
+ab\Z b\nac\n n - -
+ab\z b\nac\n n - -
+ab$ b\nac\n n - -
+ab\Z b\nac n - -
+ab\z b\nac n - -
+ab$ b\nac n - -
+'ab\Z'm ac\nb\n n - -
+'ab\z'm ac\nb\n n - -
+'ab$'m ac\nb\n n - -
+'ab\Z'm b\nac\n n - -
+'ab\z'm b\nac\n n - -
+'ab$'m b\nac\n n - -
+'ab\Z'm b\nac n - -
+'ab\z'm b\nac n - -
+'ab$'m b\nac n - -
+ab\Z ca\nb\n n - -
+ab\z ca\nb\n n - -
+ab$ ca\nb\n n - -
+ab\Z b\nca\n n - -
+ab\z b\nca\n n - -
+ab$ b\nca\n n - -
+ab\Z b\nca n - -
+ab\z b\nca n - -
+ab$ b\nca n - -
+'ab\Z'm ca\nb\n n - -
+'ab\z'm ca\nb\n n - -
+'ab$'m ca\nb\n n - -
+'ab\Z'm b\nca\n n - -
+'ab\z'm b\nca\n n - -
+'ab$'m b\nca\n n - -
+'ab\Z'm b\nca n - -
+'ab\z'm b\nca n - -
+'ab$'m b\nca n - -
+abb\Z abb\nb\n n - -
+abb\z abb\nb\n n - -
+abb$ abb\nb\n n - -
+abb\Z b\nabb\n y $-[0] 2
+abb\z b\nabb\n n - -
+abb$ b\nabb\n y $-[0] 2
+abb\Z b\nabb y $-[0] 2
+abb\z b\nabb y $-[0] 2
+abb$ b\nabb y $-[0] 2
+'abb\Z'm abb\nb\n bn - -
+'abb\z'm abb\nb\n n - -
+'abb$'m abb\nb\n y $-[0] 0
+'abb\Z'm b\nabb\n y $-[0] 2
+'abb\z'm b\nabb\n n - -
+'abb$'m b\nabb\n y $-[0] 2
+'abb\Z'm b\nabb y $-[0] 2
+'abb\z'm b\nabb y $-[0] 2
+'abb$'m b\nabb y $-[0] 2
+abb\Z ac\nb\n n - -
+abb\z ac\nb\n n - -
+abb$ ac\nb\n n - -
+abb\Z b\nac\n n - -
+abb\z b\nac\n n - -
+abb$ b\nac\n n - -
+abb\Z b\nac n - -
+abb\z b\nac n - -
+abb$ b\nac n - -
+'abb\Z'm ac\nb\n n - -
+'abb\z'm ac\nb\n n - -
+'abb$'m ac\nb\n n - -
+'abb\Z'm b\nac\n n - -
+'abb\z'm b\nac\n n - -
+'abb$'m b\nac\n n - -
+'abb\Z'm b\nac n - -
+'abb\z'm b\nac n - -
+'abb$'m b\nac n - -
+abb\Z ca\nb\n n - -
+abb\z ca\nb\n n - -
+abb$ ca\nb\n n - -
+abb\Z b\nca\n n - -
+abb\z b\nca\n n - -
+abb$ b\nca\n n - -
+abb\Z b\nca n - -
+abb\z b\nca n - -
+abb$ b\nca n - -
+'abb\Z'm ca\nb\n n - -
+'abb\z'm ca\nb\n n - -
+'abb$'m ca\nb\n n - -
+'abb\Z'm b\nca\n n - -
+'abb\z'm b\nca\n n - -
+'abb$'m b\nca\n n - -
+'abb\Z'm b\nca n - -
+'abb\z'm b\nca n - -
+'abb$'m b\nca n - -
+(^|x)(c) ca y $2 c
+a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz x n - -
+a(?{$a=2;$b=3;($b)=$a})b yabz y $b 2
+round\(((?>[^()]+))\) _I(round(xs * sz),1) y $1 xs * sz
+'((?x:.) )' x y $1- x -
+'((?-x:.) )'x x y $1- x-
+foo.bart foo.bart y - -
+'^d[x][x][x]'m abcd\ndxxx y - -
+.X(.+)+X bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
+.X(.+)+XX bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
+.XX(.+)+X bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
+.X(.+)+X bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
+.X(.+)+XX bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
+.XX(.+)+X bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
+.X(.+)+[X] bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
+.X(.+)+[X][X] bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
+.XX(.+)+[X] bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
+.X(.+)+[X] bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
+.X(.+)+[X][X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
+.XX(.+)+[X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
+.[X](.+)+[X] bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
+.[X](.+)+[X][X] bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
+.[X][X](.+)+[X] bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
+.[X](.+)+[X] bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
+.[X](.+)+[X][X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
+.[X][X](.+)+[X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
+tt+$ xxxtt y - -
+([a-\d]+) za-9z y $1 a-9
+([\d-z]+) a0-za y $1 0-z
+([\d-\s]+) a0- z y $1 0-
+([a-[:digit:]]+) za-9z y $1 a-9
+([[:digit:]-z]+) =0-z= y $1 0-z
+([[:digit:]-[:alpha:]]+) =0-z= y $1 0-z
+\GX.*X aaaXbX n - -
+(\d+\.\d+) 3.1415926 y $1 3.1415926
+(\ba.{0,10}br) have a web browser y $1 a web br
+'\.c(pp|xx|c)?$'i Changes n - -
+'\.c(pp|xx|c)?$'i IO.c y - -
+'(\.c(pp|xx|c)?$)'i IO.c y $1 .c
+^([a-z]:) C:/ n - -
+'^\S\s+aa$'m \nx aa y - -
+(^|a)b ab y - -
+(?i) y - -
https://perl5.git.perl.org / perl5.git / blobdiff