/[pcre]/code/trunk/testdata/testoutput2

Diff of /code/trunk/testdata/testoutput2

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-revision 411 by ph10,
Fri Apr 10 15:40:21 2009 UTC
+revision 598 by ph10,
Sat May  7 15:37:31 2011 UTC
 Line 1
+ /-- This set of tests is not Perl-compatible. It checks on special features
+     of PCRE's API, error diagnostics, and the compiled code of some patterns.
+     It also checks the non-Perl syntax the PCRE supports (Python, .NET,
+     Oniguruma). Finally, there are some tests where PCRE and Perl differ,
+     either because PCRE can't be compatible, or there is a possible Perl
+     bug. --/
+ /-- Originally, the Perl >= 5.10 things were in here too, but now I have
+     separated many (most?) of them out into test 11. However, there may still
+     be some that were overlooked. --/
  /(a)b|/I
  Capturing subpattern count = 1
  No options
-Line 40 
 No match
+Line 51 
 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
-Line 96 
 Failed: missing terminating ] for charac
+Line 103 
 Failed: missing terminating ] for charac
  /(?X)[\B]/
  Failed: invalid escape sequence in character class at offset 6
+ /(?X)[\R]/
+ Failed: invalid escape sequence in character class at offset 6
+ /(?X)[\X]/
+ Failed: invalid escape sequence in character class at offset 6
+ /[\B]/BZ
+ ------------------------------------------------------------------
+         Bra
+         B
+         Ket
+         End
+ ------------------------------------------------------------------
+ /[\R]/BZ
+ ------------------------------------------------------------------
+         Bra
+         R
+         Ket
+         End
+ ------------------------------------------------------------------
+ /[\X]/BZ
+ ------------------------------------------------------------------
+         Bra
+         X
+         Ket
+         End
+ ------------------------------------------------------------------
  /[z-a]/
  Failed: range out of order in character class at offset 3
-Line 113 
 Failed: unrecognized character after (?
+Line 150 
 Failed: unrecognized character after (?
  /.*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'
-Line 140 
 Capturing subpattern count = 0
+Line 175 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 3
  Starting byte set: c d e
      this sentence eventually mentions a cat
 : cat
-Line 151 
 Capturing subpattern count = 0
+Line 187 
 Capturing subpattern count = 0
  Options: caseless
  No first char
  No need char
+ Subject length lower bound = 3
  Starting byte set: C D E c d e
      this sentence eventually mentions a CAT cat
 : CAT
-Line 162 
 Capturing subpattern count = 0
+Line 199 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b c d
  /(a|[^\dZ])/IS
-Line 169 
 Capturing subpattern count = 1
+Line 207 
 Capturing subpattern count = 1
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  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 ! " # $ % & ' ( ) * + , - . / : ; < = >
-Line 189 
 Capturing subpattern count = 1
+Line 228 
 Capturing subpattern count = 1
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: \x09 \x0a \x0c \x0d \x20 a b
  /(ab\2)/
-Line 324 
 No need char
+Line 364 
 No need char
  /.*((abc)$|(def))/I
  Capturing subpattern count = 3
- Partial matching not supported
  No options
  First char at start or follows newline
  No need char
-Line 338 
 No need char
+Line 377 
 No need char
 : <unset>
 : def
- /abc/IP
+ /abc/P
      abc
 : abc
      *** Failers
  No match: POSIX code 17: match failed
- /^abc|def/IP
+ /^abc|def/P
      abcdef
 : abc
      abcdef\B
 : def
- /.*((abc)$|(def))/IP
+ /.*((abc)$|(def))/P
      defabc
 : defabc
 : abc
-Line 360 
 No match: POSIX code 17: match failed
+Line 399 
 No match: POSIX code 17: match failed
 : def
 : def
- /the quick brown fox/IP
+ /the quick brown fox/P
      the quick brown fox
 : the quick brown fox
      *** Failers
-Line 368 
 No match: POSIX code 17: match failed
+Line 407 
 No match: POSIX code 17: match failed
      The Quick Brown Fox
  No match: POSIX code 17: match failed
- /the quick brown fox/IPi
+ /the quick brown fox/Pi
      the quick brown fox
 : the quick brown fox
      The Quick Brown Fox
 : The Quick Brown Fox
- /abc.def/IP
+ /abc.def/P
      *** Failers
  No match: POSIX code 17: match failed
      abc\ndef
  No match: POSIX code 17: match failed
- /abc$/IP
+ /abc$/P
      abc
 : abc
      abc\n
 : abc
- /(abc)\2/IP
+ /(abc)\2/P
  Failed: POSIX code 15: bad back reference at offset 7
- /(abc\1)/IP
+ /(abc\1)/P
      abc
  No match: POSIX code 17: match failed
-Line 401 
 Failed: missing terminating ] for charac
+Line 440 
 Failed: missing terminating ] for charac
  /[^aeiou ]{3,}/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 410 
 No need char
+Line 448 
 No need char
  /<.*>/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = '<'
  Need char = '>'
-Line 419 
 Need char = '>'
+Line 456 
 Need char = '>'
  /<.*?>/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = '<'
  Need char = '>'
-Line 428 
 Need char = '>'
+Line 464 
 Need char = '>'
  /<.*>/IU
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '<'
  Need char = '>'
-Line 437 
 Need char = '>'
+Line 472 
 Need char = '>'
  /(?U)<.*>/I
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '<'
  Need char = '>'
-Line 446 
 Need char = '>'
+Line 480 
 Need char = '>'
  /<.*?>/IU
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '<'
  Need char = '>'
-Line 455 
 Need char = '>'
+Line 488 
 Need char = '>'
  /={3,}/IU
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '='
  Need char = '='
-Line 464 
 Need char = '='
+Line 496 
 Need char = '='
  /(?U)={3,}?/I
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = '='
  Need char = '='
-Line 522 
 No need char
+Line 553 
 No need char
  /(?s).*/I
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored dotall
  No first char
  No need char
-Line 532 
 Capturing subpattern count = 0
+Line 562 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b c d
  /(?i)[abcd]/IS
-Line 539 
 Capturing subpattern count = 0
+Line 570 
 Capturing subpattern count = 0
  Options: caseless
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: A B C D a b c d
  /(?m)[xy]|(b|c)/IS
-Line 546 
 Capturing subpattern count = 1
+Line 578 
 Capturing subpattern count = 1
  Options: multiline
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: b c x y
  /(^a|^b)/Im
-Line 584 
 Failed: syntax error in subpattern name
+Line 617 
 Failed: syntax error in subpattern name
  /((?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'
-Line 592 
 Need char = 'h'
+Line 624 
 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)
-Line 612 
 Capturing subpattern count = 1
+Line 643 
 Capturing subpattern count = 1
  No options
  First char = 'b' (caseless)
  No need char
- Study returned NULL
+ Subject length lower bound = 1
+ No set of starting bytes
  /(a*b|(?i:c*(?-i)d))/IS
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: C a b c d
  /a$/I
-Line 668 
 Need char = 'c'
+Line 700 
 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
-Line 685 
 Capturing subpattern count = 0
+Line 716 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b
  /(?<!foo)(alpha|omega)/IS
-Line 692 
 Capturing subpattern count = 1
+Line 724 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'a'
+ Subject length lower bound = 5
  Starting byte set: a o
  /(?!alphabet)[ab]/IS
-Line 699 
 Capturing subpattern count = 0
+Line 732 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b
  /(?<=foo\n)^bar/Im
-Line 784 
 No need char
+Line 818 
 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
-Line 854 
 No match
+Line 887 
 No match
      a
  No match
- /This one is here because I think Perl 5.005_02 gets the setting of $1 wrong/I
+ /This one is here because Perl behaves differently; see also the following/I
  Capturing subpattern count = 0
  No options
  First char = 'T'
-Line 866 
 Max back reference = 1
+Line 899 
 Max back reference = 1
  Options: anchored
  No first char
  No need char
+     aaaa
+ No match
      aaaaaa
-: aaaaaa
+ No match
-: aa
+ /Perl does not fail these two for the final subjects. Neither did PCRE until/
+ /release 8.01. The problem is in backtracking into a subpattern that contains/
+ No match
+ /a recursive reference to itself. PCRE has now made these into atomic patterns./
+ No match
+ /^(xa|=?\1a){2}$/
+     xa=xaa
+: xa=xaa
+: =xaa
+     ** Failers
+ No match
+     xa=xaaa
+ No match
+ /^(xa|=?\1a)+$/
+     xa=xaa
+: xa=xaa
+: =xaa
+     ** Failers
+ No match
+     xa=xaaa
+ No match
  /These are syntax tests from Perl 5.005/I
  Capturing subpattern count = 0
-Line 1003 
 copy substring 5 failed -7
+Line 1061 
 copy substring 5 failed -7
  /(.{20})/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 1021 
 No need char
+Line 1078 
 No need char
  /(.{15})/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 1036 
 No need char
+Line 1092 
 No need char
  /(.{16})/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 1103 
 No need char
+Line 1158 
 No need char
  )((?:[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'
-Line 1118 
 Need char = 'd'
+Line 1172 
 Need char = 'd'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char at start or follows newline
  Need char = 'X'
-Line 1132 
 Need char = 'X'
+Line 1185 
 Need char = 'X'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored dotall
  No first char
  Need char = 'X'
-Line 1151 
 Need char = 'X'
+Line 1203 
 Need char = 'X'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  First char at start or follows newline
  No need char
-Line 1170 
 No need char
+Line 1221 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored dotall
  No first char
  No need char
-Line 1189 
 No need char
+Line 1239 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored dotall
  No first char
  No need char
-Line 1211 
 No need char
+Line 1260 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  No need char
-Line 1296 
 No need char
+Line 1344 
 No need char
  /.*iss/Ig+
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char at start or follows newline
  Need char = 's'
-Line 1399 
 Need char = 'c'
+Line 1446 
 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 = '"'
-Line 1489 
 Need char = 'b'
+Line 1530 
 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
-Line 1565 
 No need char
+Line 1596 
 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'
-Line 1591 
 Need char = 'd'
+Line 1620 
 Need char = 'd'
  /ab\d+/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 1666 
 No need char
+Line 1694 
 No need char
      \Nabc
  No match
- /a*(b+)(z)(z)/IP
+ /a*(b+)(z)(z)/P
      aaaabbbbzzzz
 : aaaabbbbzz
 : bbbb
-Line 1698 
 Capturing subpattern count = 0
+Line 1726 
 Capturing subpattern count = 0
  Options: anchored
  No first char
  Need char = 'd'
- Study returned NULL
+ Subject length lower bound = 4
+ No set of starting bytes
  /\(             # ( at start
    (?:           # Non-capturing bracket
-Line 1709 
 Study returned NULL
+Line 1738 
 Study returned NULL
    \)            # Closing )
    /Ix
  Capturing subpattern count = 0
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1738 
 No match
+Line 1766 
 No match
  /\(  ( (?>[^()]+) | (?R) )* \) /Ixg
  Capturing subpattern count = 1
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1753 
 Need char = ')'
+Line 1780 
 Need char = ')'
  /\(  (?: (?>[^()]+) | (?R) ) \) /Ix
  Capturing subpattern count = 0
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1772 
 No match
+Line 1798 
 No match
  /\(  (?: (?>[^()]+) | (?R) )? \) /Ix
  Capturing subpattern count = 0
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1783 
 Need char = ')'
+Line 1808 
 Need char = ')'
  /\(  ( (?>[^()]+) | (?R) )* \) /Ix
  Capturing subpattern count = 1
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1793 
 Need char = ')'
+Line 1817 
 Need char = ')'
  /\( ( ( (?>[^()]+) | (?R) )* ) \) /Ix
  Capturing subpattern count = 2
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1804 
 Need char = ')'
+Line 1827 
 Need char = ')'
  /\( (123)? ( ( (?>[^()]+) | (?R) )* ) \) /Ix
  Capturing subpattern count = 3
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1821 
 Need char = ')'
+Line 1843 
 Need char = ')'
  /\( ( (123)? ( (?>[^()]+) | (?R) )* ) \) /Ix
  Capturing subpattern count = 3
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1838 
 Need char = ')'
+Line 1859 
 Need char = ')'
  /\( (((((((((( ( (?>[^()]+) | (?R) )* )))))))))) \) /Ix
  Capturing subpattern count = 11
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1858 
 Need char = ')'
+Line 1878 
 Need char = ')'
  /\( ( ( (?>[^()<>]+) | ((?>[^()]+)) | (?R) )* ) \) /Ix
  Capturing subpattern count = 3
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1866 
 Need char = ')'
+Line 1885 
 Need char = ')'
 : (abcd(xyz<p>qrs)123)
 : abcd(xyz<p>qrs)123
 : 123
-: <unset>
  /\( ( ( (?>[^()]+) | ((?R)) )* ) \) /Ix
  Capturing subpattern count = 3
- Partial matching not supported
  Options: extended
  First char = '('
  Need char = ')'
-Line 1942 
 Capturing subpattern count = 0
+Line 1959 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  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
-Line 2003 
 Contains explicit CR or LF match
+Line 2021 
 Contains explicit CR or LF match
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: \x09 \x0a \x0b \x0c \x0d \x20
  /^[[:cntrl:]]/DZ
-Line 2249 
 Need char = 'd'
+Line 2268 
 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|$))(\w+)\s+(\270)/I
  Capturing subpattern count = 271
  Max back reference = 270
- Partial matching not supported
  No options
  No first char
  No need char
-Line 2930 
 Need char = 'c'
+Line 2948 
 Need char = 'c'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 2959 
 No need char
+Line 2976 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'x'
  No need char
-Line 2975 
 No need char
+Line 2991 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'x'
  No need char
-Line 2999 
 No need char
+Line 3014 
 No need char
  /^(\w++|\s++)*$/I
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored
  No first char
  No need char
-Line 3013 
 No match
+Line 3027 
 No match
  /(\d++)(\w)/I
  Capturing subpattern count = 2
- Partial matching not supported
  No options
  No first char
  No need char
-Line 3028 
 No match
+Line 3041 
 No match
  /a++b/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 3037 
 Need char = 'b'
+Line 3049 
 Need char = 'b'
  /(a++b)/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 3047 
 Need char = 'b'
+Line 3058 
 Need char = 'b'
  /(a++)b/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 3057 
 Need char = 'b'
+Line 3067 
 Need char = 'b'
  /([^()]++|\([^()]*\))+/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 3067 
 No need char
+Line 3076 
 No need char
  /\(([^()]++|\([^()]+\))+\)/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  First char = '('
  Need char = ')'
-Line 3130 
 Failed: nothing to repeat at offset 7
+Line 3138 
 Failed: nothing to repeat at offset 7
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'x'
  Need char = 'b'
-Line 3147 
 Need char = 'b'
+Line 3154 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: ungreedy
  First char = 'x'
  Need char = 'b'
-Line 3176 
 Need char = 'b'
+Line 3182 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 5
- Partial matching not supported
  Options: anchored
  No first char
  No need char
-Line 3192 
 No need char
+Line 3197 
 No need char
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 3210 
 Need char = 'b'
+Line 3214 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 3225 
 Failed: POSIX collating elements are not
+Line 3228 
 Failed: POSIX collating elements are not
  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
+ Failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 1
  /\L/I
- Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ Failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 1
  /\N{name}/I
- Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ Failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 1
  /\u/I
- Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ Failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 1
  /\U/I
- Failed: PCRE does not support \L, \l, \N, \U, or \u at offset 1
+ Failed: PCRE does not support \L, \l, \N{name}, \U, or \u at offset 1
  /[/I
  Failed: missing terminating ] for character class at offset 1
-Line 3286 
 No need char
+Line 3289 
 No need char
  /< (?: (?(R) \d++  | [^<>]*+) | (?R)) * >/Ix
  Capturing subpattern count = 0
- Partial matching not supported
  Options: extended
  First char = '<'
  Need char = '>'
-Line 3336 
 Need char = 'X'
+Line 3338 
 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
 Line 3351 
 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
-Line 3366 
 No need char
+Line 3364 
 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'
-Line 3374 
 Need char = 'z'
+Line 3371 
 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
-Line 3391 
 Need char = 'b'
+Line 3387 
 Need char = 'b'
  /(?=a).*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char = 'a'
  No need char
-Line 3497 
 Capturing subpattern count = 0
+Line 3492 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b
  /[^a]/I
-Line 3516 
 Capturing subpattern count = 0
+Line 3512 
 Capturing subpattern count = 0
  No options
  No first char
  Need char = '6'
+ Subject length lower bound = 4
  Starting byte set: 0 1 2 3 4 5 6 7 8 9
  /a^b/I
-Line 3549 
 Capturing subpattern count = 0
+Line 3546 
 Capturing subpattern count = 0
  Options: caseless
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: A B a b
  /[ab](?i)cd/IS
-Line 3556 
 Capturing subpattern count = 0
+Line 3554 
 Capturing subpattern count = 0
  No options
  No first char
  Need char = 'd' (caseless)
+ Subject length lower bound = 3
  Starting byte set: a b
  /abc(?C)def/I
-Line 3713 
 No need char
+Line 3712 
 No need char
  /(\d{3}(?C))*/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 3842 
 Callout 0: last capture = 1
+Line 3840 
 Callout 0: last capture = 1
  /a(b+)(c*)(?C1)/I
  Capturing subpattern count = 2
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 3868 
 No match
+Line 3865 
 No match
  /a(b+?)(c*?)(?C1)/I
  Capturing subpattern count = 2
- Partial matching not supported
  No options
  First char = 'a'
  Need char = 'b'
-Line 3909 
 Capturing subpattern count = 0
+Line 3905 
 Capturing subpattern count = 0
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b
  /(?R)/I
-Line 4028 
 No options
+Line 4025 
 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
-: 1221
-: 1
-     Satan, oscillate my metallic sonatas!
-: Satan, oscillate my metallic sonatas!
-: <unset>
-: <unset>
-: Satan, oscillate my metallic sonatas
-: S
-     A man, a plan, a canal: Panama!
-: A man, a plan, a canal: Panama!
-: <unset>
-: <unset>
-: A man, a plan, a canal: Panama
-: A
-     Able was I ere I saw Elba.
-: Able was I ere I saw Elba.
-: <unset>
-: <unset>
-: Able was I ere I saw Elba
-: 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
-Line 4105 
 No match
+Line 4067 
 No match
  /((< (?: (?(R) \d++  | [^<>]*+) | (?2)) * >))/Ix
  Capturing subpattern count = 2
- Partial matching not supported
  Options: extended
  First char = '<'
  Need char = '>'
-Line 4279 
 Named capturing subpatterns:
+Line 4240 
 Named capturing subpatterns:
    one     1
    three   3
    two     2
- Partial matching not supported
  Options: anchored caseless
  No first char
  No need char
-Line 4325 
 No need char
+Line 4285 
 No need char
  /(.*)a/Is
  Capturing subpattern count = 1
- Partial matching not supported
  Options: anchored dotall
  No first char
  Need char = 'a'
-Line 4333 
 Need char = 'a'
+Line 4292 
 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'
-Line 4341 
 Need char = 'a'
+Line 4299 
 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'
-Line 4356 
 Need char = 'z'
+Line 4312 
 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'
-Line 4364 
 Need char = 'z'
+Line 4319 
 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'
-Line 4372 
 Need char = 'z'
+Line 4326 
 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'
-Line 4380 
 Need char = 'z'
+Line 4333 
 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
-Line 4395 
 No need char
+Line 4346 
 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
-Line 4403 
 No need char
+Line 4353 
 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
-Line 4470 
 Need char = 'c'
+Line 4419 
 Need char = 'c'
  /(a+)*zz/I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  Need char = 'z'
-Line 4607 
 Failed: two named subpatterns have the s
+Line 4555 
 Failed: two named subpatterns have the s
  Capturing subpattern count = 3
  Named capturing subpatterns:
    elem   2
- Partial matching not supported
  No options
  First char = '['
  Need char = ']'
-Line 4625 
 No match
+Line 4572 
 No match
  Capturing subpattern count = 3
  Named capturing subpatterns:
    elem   2
- Partial matching not supported
  No options
  First char = '['
  Need char = ']'
-Line 4732 
 No need char
+Line 4678 
 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)
-Line 4742 
 Need char = 'g' (caseless)
+Line 4687 
 Need char = 'g' (caseless)
  /((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
+ Subject length lower bound = 8
+ No set of starting bytes
       Baby Bjorn Active Carrier - With free SHIPPING!!
 : Baby Bjorn Active Carrier - With free SHIPPING!!
 : Baby Bjorn Active Carrier - With free SHIPPING!!
-Line 4761 
 Study returned NULL
+Line 4706 
 Study returned NULL
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  Need char = 'b'
- Study returned NULL
+ Subject length lower bound = 1
+ No set of starting bytes
  /(a|b)*.?c/ISDZ
  ------------------------------------------------------------------
-Line 4785 
 Capturing subpattern count = 1
+Line 4730 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'c'
- Study returned NULL
+ Subject length lower bound = 1
+ No set of starting bytes
  /abc(?C255)de(?C)f/DZ
  ------------------------------------------------------------------
-Line 4854 
 No match
+Line 4800 
 No match
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options:
  No first char
  Need char = 'b'
-Line 4899 
 Need char = 'b'
+Line 4844 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options:
  First char = 'a'
  Need char = 'b'
-Line 5337 
 No match
+Line 5281 
 No match
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 1
- Partial matching not supported
  Options:
  No first char
  Need char = '3'
-Line 5369 
 Need char = '3'
+Line 5312 
 Need char = '3'
  /\b.*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5378 
 No need char
+Line 5320 
 No need char
  /\b.*/Is
  Capturing subpattern count = 0
- Partial matching not supported
  Options: dotall
  No first char
  No need char
-Line 5387 
 No need char
+Line 5328 
 No need char
  /(?!.bcd).*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5400 
 No options
+Line 5340 
 No options
  First char = 'a'
  Need char = 'e'
      ab\P
- Partial match
+ Partial match: ab
      abc\P
- Partial match
+ Partial match: abc
      abcd\P
- Partial match
+ Partial match: abcd
      abcde\P
 : abcde
      the quick brown abc\P
- Partial match
+ Partial match: abc
      ** Failers\P
  No match
      the quick brown abxyz fox\P
-Line 5433 
 Need char = '/'
+Line 5373 
 Need char = '/'
 : 02
 : 05
 \P
- Partial match
+ Partial match: 1
 /2\P
- Partial match
+ Partial match: 1/2
 /2/0\P
- Partial match
+ Partial match: 1/2/0
 /2/04\P
 : 1/2/04
 : 1
 : 2
 \P
- Partial match
+ Partial match: 0
 /\P
- Partial match
+ Partial match: 02/
 /0\P
- Partial match
+ Partial match: 02/0
 /1\P
- Partial match
+ Partial match: 02/1
      ** Failers\P
  No match
      \P
-Line 5471 
 No match
+Line 5411 
 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'
-Line 5505 
 Need char = '3'
+Line 5441 
 Need char = '3'
 \P
 : 123
      a\P
- Partial match
+ Partial match: a
      b\P
- Partial match
+ Partial match: b
      c\P
- Partial match
+ Partial match: c
      c12\P
- Partial match
+ Partial match: c12
      c123\P
 : c123
-Line 5521 
 Options: anchored
+Line 5457 
 Options: anchored
  No first char
  Need char = 'X'
 \P
- Partial match
+ Partial match: 1
 \P
- Partial match
+ Partial match: 123
 X
 : 123X
 \P
- Partial match
+ Partial match: 1234
 X
 : 1234X
 \P
- Partial match
+ Partial match: 12345
 X
 : 12345X
      *** Failers
-Line 5578 
 Capturing subpattern count = 1
+Line 5514 
 Capturing subpattern count = 1
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b
  Compiled regex written to testsavedregex
  Study data written to testsavedregex
-Line 5598 
 Capturing subpattern count = 1
+Line 5535 
 Capturing subpattern count = 1
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: a b
  Compiled regex written to testsavedregex
  Study data written to testsavedregex
-Line 5616 
 No match
+Line 5554 
 No match
  ~<(\w+)/?>(.)*</(\1)>~smgI
  Capturing subpattern count = 3
  Max back reference = 1
- Partial matching not supported
  Options: multiline dotall
  First char = '<'
  Need char = '>'
-Line 5669 
 No match
+Line 5606 
 No match
      line one\nthis is a line\nbreak in the second line
  No match
- /ab.cd/IP
+ /ab.cd/P
      ab-cd
 : ab-cd
      ab=cd
-Line 5679 
 No match: POSIX code 17: match failed
+Line 5616 
 No match: POSIX code 17: match failed
      ab\ncd
  No match: POSIX code 17: match failed
- /ab.cd/IPs
+ /ab.cd/Ps
      ab-cd
 : ab-cd
      ab=cd
-Line 5923 
 Matched, but too many substrings
+Line 5860 
 Matched, but too many substrings
  /[^()]*(?:\((?R)\)[^()]*)*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5936 
 No need char
+Line 5872 
 No need char
  /[^()]*(?:\((?>(?R))\)[^()]*)*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5947 
 No need char
+Line 5882 
 No need char
  /[^()]*(?:\((?R)\))*[^()]*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5958 
 No need char
+Line 5892 
 No need char
  /(?:\((?R)\))*[^()]*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5971 
 No need char
+Line 5904 
 No need char
  /(?:\((?R)\))|[^()]*/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
-Line 5984 
 No need char
+Line 5916 
 No need char
      ((this))
 : ((this))
- /a(b)c/IPN
+ /a(b)c/PN
      abc
  Matched with REG_NOSUB
- /a(?P<name>b)c/IPN
+ /a(?P<name>b)c/PN
      abc
  Matched with REG_NOSUB
-Line 6313 
 Failed: octal value is greater than \377
+Line 6245 
 Failed: octal value is greater than \377
  /\s*,\s*/IS
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  Need char = ','
+ Subject length lower bound = 1
  Starting byte set: \x09 \x0a \x0c \x0d \x20 ,
      \x0b,\x0b
 : ,
-Line 6443 
 Unknown newline type at:
+Line 6375 
 Unknown newline type at:
  /.*/I<lf>
  Capturing subpattern count = 0
- Partial matching not supported
  Options:
  Forced newline sequence: LF
  First char at start or follows newline
-Line 6469 
 No need char
+Line 6400 
 No need char
  /\w+(.)(.)?def/Is
  Capturing subpattern count = 2
- Partial matching not supported
  Options: dotall
  No first char
  Need char = 'f'
-Line 6486 
 Need char = 'f'
+Line 6416 
 Need char = 'f'
  +((?:\s|//.*\\n|/[*](?:\\n|.)*?[*]/)*)+I
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
-Line 6621 
 No need char
+Line 6550 
 No need char
  /(a*b|(?i:c*(?-i)d))/IS
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: C a b c d
  /()[ab]xyz/IS
-Line 6632 
 Capturing subpattern count = 1
+Line 6561 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'z'
+ Subject length lower bound = 4
  Starting byte set: a b
  /(|)[ab]xyz/IS
-Line 6639 
 Capturing subpattern count = 1
+Line 6569 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'z'
+ Subject length lower bound = 4
  Starting byte set: a b
  /(|c)[ab]xyz/IS
-Line 6646 
 Capturing subpattern count = 1
+Line 6577 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'z'
+ Subject length lower bound = 4
  Starting byte set: a b c
  /(|c?)[ab]xyz/IS
-Line 6653 
 Capturing subpattern count = 1
+Line 6585 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'z'
+ Subject length lower bound = 4
  Starting byte set: a b c
  /(d?|c?)[ab]xyz/IS
-Line 6660 
 Capturing subpattern count = 1
+Line 6593 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'z'
+ Subject length lower bound = 4
  Starting byte set: a b c d
  /(d?|c)[ab]xyz/IS
-Line 6667 
 Capturing subpattern count = 1
+Line 6601 
 Capturing subpattern count = 1
  No options
  No first char
  Need char = 'z'
+ Subject length lower bound = 4
  Starting byte set: a b c d
  /^a*b\d/DZ
-Line 6680 
 Starting byte set: a b c d
+Line 6615 
 Starting byte set: a b c d
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 6696 
 Need char = 'b'
+Line 6630 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 6712 
 Need char = 'b'
+Line 6645 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'b'
-Line 6728 
 Need char = 'b'
+Line 6660 
 Need char = 'b'
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored
  No first char
  Need char = 'A'
-Line 6750 
 No match
+Line 6681 
 No match
          End
  ------------------------------------------------------------------
  Capturing subpattern count = 0
- Partial matching not supported
  Options: anchored caseless
  No first char
  Need char = 'A' (caseless)
-Line 6761 
 Need char = 'A' (caseless)
+Line 6691 
 Need char = 'A' (caseless)
  /(a*|b*)[cd]/IS
  Capturing subpattern count = 1
- Partial matching not supported
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  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
+ Subject length lower bound = 1
  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
+ Subject length lower bound = 1
  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
+ Subject length lower bound = 2
  Starting byte set: a b
  /((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((
-Line 7594 
 No match
+Line 7524 
 No match
          ^
          CBra 1
          Cond
-Cond ref
+Cond nref
          y
          Ket
          [()]
-Line 7660 
 Named capturing subpatterns:
+Line 7590 
 Named capturing subpatterns:
    one     1
    three   3
    two     2
- Partial matching not supported
  Options: anchored caseless
  No first char
  No need char
-Line 7694 
 No match
+Line 7623 
 No match
  /(?=(\w+))\1:/I
  Capturing subpattern count = 1
  Max back reference = 1
- Partial matching not supported
  No options
  No first char
  Need char = ':'
-Line 7707 
 Capturing subpattern count = 1
+Line 7635 
 Capturing subpattern count = 1
  Max back reference = 1
  Named capturing subpatterns:
    abc   1
- Partial matching not supported
  No options
  No first char
  Need char = ':'
-Line 7715 
 Need char = ':'
+Line 7642 
 Need char = ':'
 : abcd:
 : abcd
- /(?'abc'\w+):\k<abc>{2}/
-     a:aaxyz
-: a:aa
-: a
-     ab:ababxyz
-: ab:abab
-: ab
-     ** Failers
- No match
-     a:axyz
- No match
-     ab:abxyz
- No match
  /(?'abc'a|b)(?<abc>d|e)\k<abc>{2}/J
      adaa
 : adaa
-Line 7755 
 No match
+Line 7668 
 No match
      bddd
  No match
- /^(?<ab>a)? (?(<ab>)b|c) (?('ab')d|e)/x
-     abd
-: abd
-: a
-     ce
-: ce
  /(?(<bc))/
  Failed: malformed number or name after (?( at offset 6
-Line 7792 
 Failed: reference to non-existent subpat
+Line 7698 
 Failed: reference to non-existent subpat
 : abcabc1Xabc2XabcX
 : abcabc1Xabc2XabcX
- /^(?(DEFINE) (?<A> a) (?<B> b) )  (?&A) (?&B) /x
-     abcd
-: ab
-: <unset>
-: <unset>
- /(?<NAME>(?&NAME_PAT))\s+(?<ADDR>(?&ADDRESS_PAT))
-   (?(DEFINE)
-   (?<NAME_PAT>[a-z]+)
-   (?<ADDRESS_PAT>\d+)
-   )/x
-     metcalfe 33
-: metcalfe 33
-: metcalfe
-: 33
-: <unset>
-: <unset>
  /^(?(DEFINE) abc | xyz ) /x
  Failed: DEFINE group contains more than one branch at offset 22
-Line 7987 
 Need char = 'P'
+Line 7875 
 Need char = 'P'
 : PXP
 : P
- /(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/
-.2.3.4
-: 1.2.3.4
-: <unset>
-: .4
-.111.10.206
-: 131.111.10.206
-: <unset>
-: .206
-.0.0.0
-: 10.0.0.0
-: <unset>
-: .0
-     ** Failers
- No match
-.6
- No match
-.3.4.5
- No match
- /\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/
-.2.3.4
-: 1.2.3.4
-: .4
-: <unset>
-.111.10.206
-: 131.111.10.206
-: .206
-: <unset>
-.0.0.0
-: 10.0.0.0
-: .0
-: <unset>
-     ** Failers
- No match
-.6
- No match
-.3.4.5
- No match
  /(?:a(?&abc)b)*(?<abc>x)/
 axbaxbaxbx456
 : axbaxbaxbx
-Line 8064 
 No match
+Line 7912 
 No match
     DEFabcABCXYZ
  No match
- /^(a(b))\1\g1\g{1}\g-1\g{-1}\g{-02}Z/
-     ababababbbabZXXXX
-: ababababbbabZ
-: ab
-: b
  /^(a)\g-2/
  Failed: reference to non-existent subpattern at offset 7
-Line 8325 
 Failed: reference to non-existent subpat
+Line 8167 
 Failed: reference to non-existent subpat
 : Y!
 : !
- /(foo)\Kbar/
-     foobar
-: bar
-: foo
- /(foo)(\Kbar|baz)/
-     foobar
-: bar
-: foo
-: bar
-     foobaz
-: foobaz
-: foo
-: baz
- /(foo\Kbar)baz/
-     foobarbaz
-: barbaz
-: foobar
  /(?<A>tom|bon)-\k{A}/
      tom-tom
 : tom-tom
-Line 8357 
 No match
+Line 8179 
 No match
      tom-bon
  No match
- /(?<A>tom|bon)-\g{A}/
-     tom-tom
-: tom-tom
-: tom
-     bon-bon
-: bon-bon
-: bon
  /\g{A/
  Failed: syntax error in subpattern name (missing terminator) at offset 4
-Line 8459 
 Failed: syntax error in subpattern name
+Line 8273 
 Failed: syntax error in subpattern name
 : <unset>
 : x
- /(?|(abc)|(xyz))\1/
-     abcabc
-: abcabc
-: abc
-     xyzxyz
-: xyzxyz
-: xyz
-     ** Failers
- No match
-     abcxyz
- No match
-     xyzabc
- No match
- /(?|(abc)|(xyz))(?1)/
-     abcabc
-: abcabc
-: abc
-     xyzabc
-: xyzabc
-: xyz
-     ** Failers
- No match
-     xyzxyz
- No match
- /\H\h\V\v/
-     X X\x0a
-: X X\x0a
-     X\x09X\x0b
-: 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
-: \x09 \xa0X\x0a\x0b\x0c\x0d
-     \x09\x20\xa0\x0a\x0b\x0c\x0d\x0a
-: \x09 \xa0\x0a\x0b\x0c\x0d
-     \x09\x20\xa0\x0a\x0b\x0c
-: \x09 \xa0\x0a\x0b\x0c
-     ** Failers
- No match
-     \x09\x20\xa0\x0a\x0b
- No match
- /\H{3,4}/
-     XY  ABCDE
-: ABCD
-     XY  PQR ST
-: PQR
- /.\h{3,4}./
-     XY  AB    PQRS
-: B    P
- /\h*X\h?\H+Y\H?Z/
-     >XNNNYZ
-: XNNNYZ
-     >  X NYQZ
-:   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
-: XY\x0aZ\x0aA\x0bNN\x0c
-     >\x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
-: \x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
  /[\h]/BZ
  ------------------------------------------------------------------
          Bra
-Line 8831 
 Failed: missing terminating ] for charac
+Line 8569 
 Failed: missing terminating ] for charac
          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
-: aaaxxxxxx
-     aaa++++++
-: aaa
-     bbbxxxxx
-: bbbxxxxx
-     bbb+++++
-: bbb
-     cccxxxx
-: cccxxxx
-     ccc++++
-: ccc
-     dddddddd
-: ddd
- /^(aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/
-     aaaxxxxxx
-: aaaxxxxxx
-: aaaxxxxxx
-     aaa++++++
-: aaa
-: aaa
-     bbbxxxxx
-: bbbxxxxx
-: bbbxxxxx
-     bbb+++++
-: bbb
-: bbb
-     cccxxxx
-: cccxxxx
-: cccxxxx
-     ccc++++
-: ccc
-: ccc
-     dddddddd
-: ddd
-: ddd
- /a+b?(*THEN)c+(*FAIL)/
-     aaabccc
- No match
- /(A (A|B(*ACCEPT)|C) D)(E)/x
-     ABX
-: AB
-     AADE
-: AADE
-: AAD
-: A
-: E
-     ACDE
-: ACDE
-: ACD
-: C
-: E
-     ** Failers
- No match
-     AD
- No match
  /^a+(*FAIL)/C
      aaaaaa
  --->aaaaaa
-Line 9040 
 No match
+Line 8697 
 No match
  +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
+ Failed: (*MARK) must have an argument at offset 7
  /(?i:A{1,}\6666666666)/
  Failed: number is too big at offset 19
-Line 9133 
 No match
+Line 8787 
 No match
  No match
      a\x85b
  No match
+ /(*ANY).*/g
+     abc\r\ndef
+: abc
+:
+: def
+:
+ /(*ANYCRLF).*/g
+     abc\r\ndef
+: abc
+:
+: def
+:
+ /(*CRLF).*/g
+     abc\r\ndef
+: abc
+:
+: def
+:
  /a\Rb/I<bsr_anycrlf>
  Capturing subpattern count = 0
-Line 9216 
 No match
+Line 8891 
 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'
-Line 9235 
 No match
+Line 8909 
 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'
-Line 9385 
 Failed: unknown POSIX class name at offs
+Line 9058 
 Failed: unknown POSIX class name at offs
  /[[:a\dz:]]/
  Failed: unknown POSIX class name at offset 3
- /^(?<name>a|b\g<name>c)/
+ /(^(a|b\g<-1'c))/
-     aaaa
+ Failed: \g is not followed by a braced, angle-bracketed, or quoted name/number or by a plain number at offset 15
-: a
-: a
-     bacxxx
-: bac
-: bac
-     bbaccxxx
-: bbacc
-: bbacc
-     bbbacccxx
-: bbbaccc
-: bbbaccc
- /^(?<name>a|b\g'name'c)/
+ /^(?+1)(?<a>x|y){0}z/
-     aaaa
+     xzxx
-: a
+: xz
-: a
+     yzyy
-     bacxxx
+: yz
-: bac
+     ** Failers
-: bac
+ No match
-     bbaccxxx
+     xxz
-: bbacc
+ No match
-: bbacc
-     bbbacccxx
-: bbbaccc
-: bbbaccc
- /^(a|b\g<1>c)/
+ /(\3)(\1)(a)/
-     aaaa
+     cat
-: a
+ No match
-: a
-     bacxxx
-: bac
-: bac
-     bbaccxxx
-: bbacc
-: bbacc
-     bbbacccxx
-: bbbaccc
-: bbbaccc
- /^(a|b\g'1'c)/
+ /(\3)(\1)(a)/<JS>
-     aaaa
+     cat
-: a
-: a
-     bacxxx
-: bac
-: bac
-     bbaccxxx
-: bbacc
-: bbacc
-     bbbacccxx
-: bbbaccc
-: bbbaccc
- /^(a|b\g'-1'c)/
-     aaaa
-: a
-: a
-     bacxxx
-: bac
-: bac
-     bbaccxxx
-: bbacc
-: bbacc
-     bbbacccxx
-: bbbaccc
-: bbbaccc
- /(^(a|b\g<-1>c))/
-     aaaa
-: a
-: a
-: a
-     bacxxx
-: bac
-: bac
-: bac
-     bbaccxxx
-: bbacc
-: bbacc
-: bbacc
-     bbbacccxx
-: bbbaccc
-: bbbaccc
-: bbbaccc
- /(^(a|b\g<-1'c))/
- Failed: \g is not followed by a braced, angle-bracketed, or quoted name/number or by a plain number at offset 15
- /(^(a|b\g{-1}))/
-     bacxxx
- No match
- /(?-i:\g<name>)(?i:(?<name>a))/
-     XaaX
-: aa
-: a
-     XAAX
-: AA
-: A
- /(?i:\g<name>)(?-i:(?<name>a))/
-     XaaX
-: aa
-: a
-     ** Failers
- No match
-     XAAX
- No match
- /(?-i:\g<+1>)(?i:(a))/
-     XaaX
-: aa
-: a
-     XAAX
-: AA
-: A
- /(?=(?<regex>(?#simplesyntax)\$(?<name>[a-zA-Z_\x{7f}-\x{ff}][a-zA-Z0-9_\x{7f}-\x{ff}]*)(?:\[(?<index>[a-zA-Z0-9_\x{7f}-\x{ff}]+|\$\g<name>)\]|->\g<name>(\(.*?\))?)?|(?#simple syntax withbraces)\$\{(?:\g<name>(?<indices>\[(?:\g<index>|'(?:\\.|[^'\\])*'|"(?:\g<regex>|\\.|[^"\\])*")\])?|\g<complex>|\$\{\g<complex>\})\}|(?#complexsyntax)\{(?<complex>\$(?<segment>\g<name>(\g<indices>*|\(.*?\))?)(?:->\g<segment>)*|\$\g<complex>|\$\{\g<complex>\})\}))\{/
- /(?<n>a|b|c)\g<n>*/
-    abc
-: abc
-: a
-    accccbbb
-: accccbbb
-: a
- /^(?+1)(?<a>x|y){0}z/
-     xzxx
-: xz
-: <unset>
-     yzyy
-: yz
-: <unset>
-     ** Failers
- No match
-     xxz
- No match
- /(\3)(\1)(a)/
-     cat
- No match
- /(\3)(\1)(a)/<JS>
-     cat
 : a
 :
 :
-Line 9636 
 Capturing subpattern count = 1
+Line 9180 
 Capturing subpattern count = 1
  No options
  No first char
  No need char
+ Subject length lower bound = 1
  Starting byte set: x y z
  /(?(?=.*b)b|^)/CI
  Capturing subpattern count = 0
- Partial matching not supported
  Options:
  No first char
  No need char
-Line 9680 
 No need char
+Line 9224 
 No need char
  /(?(?=b).*b|^d)/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  No first char
  No need char
  /(?(?=.*b).*b|^d)/I
  Capturing subpattern count = 0
- Partial matching not supported
  No options
  First char at start or follows newline
  No need char
-Line 9752 
 No match
+Line 9294 
 No match
   +0        ^     x
   +0         ^    x
  No match
+ /(*NO_START_OPT)xyz/C
+   abcxyz
+ --->abcxyz
+ +15 ^          x
+ +15  ^         x
+ +15   ^        x
+ +15    ^       x
+ +16    ^^      y
+ +17    ^ ^     z
+ +18    ^  ^
+: xyz
+ /xyz/CY
+   abcxyz
+ --->abcxyz
+  +0 ^          x
+  +0  ^         x
+  +0   ^        x
+  +0    ^       x
+  +1    ^^      y
+  +2    ^ ^     z
+  +3    ^  ^
+: xyz
  /^"((?(?=[a])[^"])|b)*"$/C
      "ab"
-Line 9786 
 No match
+Line 9352 
 No match
 : "ab"
 :
- /^X(?5)(a)(?|(b)|(q))(c)(d)(Y)/
-     XYabcdY
-: XYabcdY
-: a
-: b
-: c
-: d
-: Y
  /^X(?5)(a)(?|(b)|(q))(c)(d)Y/
  Failed: reference to non-existent subpattern at offset 5
-Line 9807 
 Failed: reference to non-existent subpat
+Line 9364 
 Failed: reference to non-existent subpat
 : d
 : Y
- /^X(?7)(a)(?|(b)|(q)(r)(s))(c)(d)(Y)/
+ /Xa{2,4}b/
-     XYabcdY
+     X\P
-: XYabcdY
+ Partial match: X
-: a
+     Xa\P
-: b
+ Partial match: Xa
-: <unset>
+     Xaa\P
-: <unset>
+ Partial match: Xaa
-: c
+     Xaaa\P
-: d
+ Partial match: Xaaa
-: Y
+     Xaaaa\P
+ Partial match: Xaaaa
+ /Xa{2,4}?b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /Xa{2,4}+b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X\d{2,4}b/
+     X\P
+ Partial match: X
+     X3\P
+ Partial match: X3
+     X33\P
+ Partial match: X33
+     X333\P
+ Partial match: X333
+     X3333\P
+ Partial match: X3333
+ /X\d{2,4}?b/
+     X\P
+ Partial match: X
+     X3\P
+ Partial match: X3
+     X33\P
+ Partial match: X33
+     X333\P
+ Partial match: X333
+     X3333\P
+ Partial match: X3333
+ /X\d{2,4}+b/
+     X\P
+ Partial match: X
+     X3\P
+ Partial match: X3
+     X33\P
+ Partial match: X33
+     X333\P
+ Partial match: X333
+     X3333\P
+ Partial match: X3333
+ /X\D{2,4}b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X\D{2,4}?b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X\D{2,4}+b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X[abc]{2,4}b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X[abc]{2,4}?b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X[abc]{2,4}+b/
+     X\P
+ Partial match: X
+     Xa\P
+ Partial match: Xa
+     Xaa\P
+ Partial match: Xaa
+     Xaaa\P
+ Partial match: Xaaa
+     Xaaaa\P
+ Partial match: Xaaaa
+ /X[^a]{2,4}b/
+     X\P
+ Partial match: X
+     Xz\P
+ Partial match: Xz
+     Xzz\P
+ Partial match: Xzz
+     Xzzz\P
+ Partial match: Xzzz
+     Xzzzz\P
+ Partial match: Xzzzz
+ /X[^a]{2,4}?b/
+     X\P
+ Partial match: X
+     Xz\P
+ Partial match: Xz
+     Xzz\P
+ Partial match: Xzz
+     Xzzz\P
+ Partial match: Xzzz
+     Xzzzz\P
+ Partial match: Xzzzz
+ /X[^a]{2,4}+b/
+     X\P
+ Partial match: X
+     Xz\P
+ Partial match: Xz
+     Xzz\P
+ Partial match: Xzz
+     Xzzz\P
+ Partial match: Xzzz
+     Xzzzz\P
+ Partial match: Xzzzz
+ /(Y)X\1{2,4}b/
+     YX\P
+ Partial match: YX
+     YXY\P
+ Partial match: YXY
+     YXYY\P
+ Partial match: YXYY
+     YXYYY\P
+ Partial match: YXYYY
+     YXYYYY\P
+ Partial match: YXYYYY
+ /(Y)X\1{2,4}?b/
+     YX\P
+ Partial match: YX
+     YXY\P
+ Partial match: YXY
+     YXYY\P
+ Partial match: YXYY
+     YXYYY\P
+ Partial match: YXYYY
+     YXYYYY\P
+ Partial match: YXYYYY
+ /(Y)X\1{2,4}+b/
+     YX\P
+ Partial match: YX
+     YXY\P
+ Partial match: YXY
+     YXYY\P
+ Partial match: YXYY
+     YXYYY\P
+ Partial match: YXYYY
+     YXYYYY\P
+ Partial match: YXYYYY
+ /\++\KZ|\d+X|9+Y/
+     ++++123999\P
+ Partial match: 123999
+     ++++123999Y\P
+: 999Y
+     ++++Z1234\P
+: Z
- /^X(?7)(a)(?|(b|(r)(s))|(q))(c)(d)(Y)/
+ /Z(*F)/
-     XYabcdY
+     Z\P
-: XYabcdY
+ No match
-: a
+     ZA\P
-: b
+ No match
-: <unset>
-: <unset>
+ /Z(?!)/
-: c
+     Z\P
-: d
+ No match
-: Y
+     ZA\P
+ No match
- /^X(?7)(a)(?|(b|(?|(r)|(t))(s))|(q))(c)(d)(Y)/
+ /dog(sbody)?/
-     XYabcdY
+     dogs\P
-: XYabcdY
+: dog
-: a
+     dogs\P\P
-: b
+ Partial match: dogs
-: <unset>
-: <unset>
+ /dog(sbody)??/
-: c
+     dogs\P
-: d
+: dog
-: Y
+     dogs\P\P
+: dog
+ /dog|dogsbody/
+     dogs\P
+: dog
+     dogs\P\P
+: dog
+ /dogsbody|dog/
+     dogs\P
+: dog
+     dogs\P\P
+ Partial match: dogs
+ /\bthe cat\b/
+     the cat\P
+: the cat
+     the cat\P\P
+ Partial match: the cat
+ /abc/
+    abc\P
+: abc
+    abc\P\P
+: abc
+ /\w+A/P
+    CDAAAAB
+: CDAAAA
+ /\w+A/PU
+    CDAAAAB
+: CDA
+ /abc\K123/
+     xyzabc123pqr
+: 123
+     xyzabc12\P
+ Partial match: abc12
+     xyzabc12\P\P
+ Partial match: abc12
+ /(?<=abc)123/
+     xyzabc123pqr
+: 123
+     xyzabc12\P
+ Partial match: abc12
+     xyzabc12\P\P
+ Partial match: abc12
+ /\babc\b/
+     +++abc+++
+: abc
+     +++ab\P
+ Partial match: +ab
+     +++ab\P\P
+ Partial match: +ab
+ /(?&word)(?&element)(?(DEFINE)(?<element><[^m][^>]>[^<])(?<word>\w*+))/BZ
+ ------------------------------------------------------------------
+         Bra
+         Once
+         Recurse
+         Ket
+         Once
+         Recurse
+         Ket
+         Cond
+         Cond def
+         CBra 1
+         <
+         [^m]
+         [^>]
+         >
+         [^<]
+         Ket
+         CBra 2
+         \w*+
+         Ket
+         Ket
+         Ket
+         End
+ ------------------------------------------------------------------
+ /(?&word)(?&element)(?(DEFINE)(?<element><[^\d][^>]>[^<])(?<word>\w*+))/BZ
+ ------------------------------------------------------------------
+         Bra
+         Once
+         Recurse
+         Ket
+         Once
+         Recurse
+         Ket
+         Cond
+         Cond def
+         CBra 1
+         <
+         [\x00-/:-\xff] (neg)
+         [^>]
+         >
+         [^<]
+         Ket
+         CBra 2
+         \w*+
+         Ket
+         Ket
+         Ket
+         End
+ ------------------------------------------------------------------
+ /(ab)(x(y)z(cd(*ACCEPT)))pq/BZ
+ ------------------------------------------------------------------
+         Bra
+         CBra 1
+         ab
+         Ket
+         CBra 2
+         x
+         CBra 3
+         y
+         Ket
+         z
+         CBra 4
+         cd
+         Close 4
+         Close 2
+         *ACCEPT
+         Ket
+         Ket
+         pq
+         Ket
+         End
+ ------------------------------------------------------------------
+ /abc\K/+
+     abcdef
+:
++ def
+     abcdef\N\N
+:
++ def
+     xyzabcdef\N\N
+:
++ def
+     ** Failers
+ No match
+     abcdef\N
+ No match
+     xyzabcdef\N
+ No match
+ /^(?:(?=abc)|abc\K)/+
+     abcdef
+:
++ abcdef
+     abcdef\N\N
+:
++ def
+     ** Failers
+ No match
+     abcdef\N
+ No match
+ /a?b?/+
+     xyz
+:
++ xyz
+     xyzabc
+:
++ xyzabc
+     xyzabc\N
+: ab
++ c
+     xyzabc\N\N
+:
++ yzabc
+     xyz\N\N
+:
++ yz
+     ** Failers
+:
++ ** Failers
+     xyz\N
+ No match
+ /^a?b?/+
+     xyz
+:
++ xyz
+     xyzabc
+:
++ xyzabc
+     ** Failers
+:
++ ** Failers
+     xyzabc\N
+ No match
+     xyzabc\N\N
+ No match
+     xyz\N\N
+ No match
+     xyz\N
+ No match
+ /^(?<name>a|b\g<name>c)/
+     aaaa
+: a
+: a
+     bacxxx
+: bac
+: bac
+     bbaccxxx
+: bbacc
+: bbacc
+     bbbacccxx
+: bbbaccc
+: bbbaccc
+ /^(?<name>a|b\g'name'c)/
+     aaaa
+: a
+: a
+     bacxxx
+: bac
+: bac
+     bbaccxxx
+: bbacc
+: bbacc
+     bbbacccxx
+: bbbaccc
+: bbbaccc
+ /^(a|b\g<1>c)/
+     aaaa
+: a
+: a
+     bacxxx
+: bac
+: bac
+     bbaccxxx
+: bbacc
+: bbacc
+     bbbacccxx
+: bbbaccc
+: bbbaccc
+ /^(a|b\g'1'c)/
+     aaaa
+: a
+: a
+     bacxxx
+: bac
+: bac
+     bbaccxxx
+: bbacc
+: bbacc
+     bbbacccxx
+: bbbaccc
+: bbbaccc
+ /^(a|b\g'-1'c)/
+     aaaa
+: a
+: a
+     bacxxx
+: bac
+: bac
+     bbaccxxx
+: bbacc
+: bbacc
+     bbbacccxx
+: bbbaccc
+: bbbaccc
+ /(^(a|b\g<-1>c))/
+     aaaa
+: a
+: a
+: a
+     bacxxx
+: bac
+: bac
+: bac
+     bbaccxxx
+: bbacc
+: bbacc
+: bbacc
+     bbbacccxx
+: bbbaccc
+: bbbaccc
+: bbbaccc
+ /(?-i:\g<name>)(?i:(?<name>a))/
+     XaaX
+: aa
+: a
+     XAAX
+: AA
+: A
+ /(?i:\g<name>)(?-i:(?<name>a))/
+     XaaX
+: aa
+: a
+     ** Failers
+ No match
+     XAAX
+ No match
+ /(?-i:\g<+1>)(?i:(a))/
+     XaaX
+: aa
+: a
+     XAAX
+: AA
+: A
+ /(?=(?<regex>(?#simplesyntax)\$(?<name>[a-zA-Z_\x{7f}-\x{ff}][a-zA-Z0-9_\x{7f}-\x{ff}]*)(?:\[(?<index>[a-zA-Z0-9_\x{7f}-\x{ff}]+|\$\g<name>)\]|->\g<name>(\(.*?\))?)?|(?#simple syntax withbraces)\$\{(?:\g<name>(?<indices>\[(?:\g<index>|'(?:\\.|[^'\\])*'|"(?:\g<regex>|\\.|[^"\\])*")\])?|\g<complex>|\$\{\g<complex>\})\}|(?#complexsyntax)\{(?<complex>\$(?<segment>\g<name>(\g<indices>*|\(.*?\))?)(?:->\g<segment>)*|\$\g<complex>|\$\{\g<complex>\})\}))\{/
+ /(?<n>a|b|c)\g<n>*/
+    abc
+: abc
+: a
+    accccbbb
+: accccbbb
+: a
+ /^X(?7)(a)(?|(b)|(q)(r)(s))(c)(d)(Y)/
+     XYabcdY
+: XYabcdY
+: a
+: b
+: <unset>
+: <unset>
+: c
+: d
+: Y
+ /(?<=b(?1)|zzz)(a)/
+     xbaax
+: a
+: a
+     xzzzax
+: a
+: a
+ /(a)(?<=b\1)/
+ Failed: lookbehind assertion is not fixed length at offset 10
+ /(a)(?<=b+(?1))/
+ Failed: lookbehind assertion is not fixed length at offset 13
+ /(a+)(?<=b(?1))/
+ Failed: lookbehind assertion is not fixed length at offset 14
+ /(a(?<=b(?1)))/
+ Failed: lookbehind assertion is not fixed length at offset 13
+ /(?<=b(?1))xyz/
+ Failed: reference to non-existent subpattern at offset 8
+ /(?<=b(?1))xyz(b+)pqrstuvew/
+ Failed: lookbehind assertion is not fixed length at offset 26
+ /(a|bc)\1/SI
+ Capturing subpattern count = 1
+ Max back reference = 1
+ No options
+ No first char
+ No need char
+ Subject length lower bound = 2
+ Starting byte set: a b
+ /(a|bc)\1{2,3}/SI
+ Capturing subpattern count = 1
+ Max back reference = 1
+ No options
+ No first char
+ No need char
+ Subject length lower bound = 3
+ Starting byte set: a b
+ /(a|bc)(?1)/SI
+ Capturing subpattern count = 1
+ No options
+ No first char
+ No need char
+ Subject length lower bound = 2
+ Starting byte set: a b
+ /(a|b\1)(a|b\1)/SI
+ Capturing subpattern count = 2
+ Max back reference = 1
+ No options
+ No first char
+ No need char
+ Subject length lower bound = 2
+ Starting byte set: a b
+ /(a|b\1){2}/SI
+ Capturing subpattern count = 1
+ Max back reference = 1
+ No options
+ No first char
+ No need char
+ Subject length lower bound = 2
+ Starting byte set: a b
+ /(a|bbbb\1)(a|bbbb\1)/SI
+ Capturing subpattern count = 2
+ Max back reference = 1
+ No options
+ No first char
+ No need char
+ Subject length lower bound = 2
+ Starting byte set: a b
+ /(a|bbbb\1){2}/SI
+ Capturing subpattern count = 1
+ Max back reference = 1
+ No options
+ No first char
+ No need char
+ Subject length lower bound = 2
+ Starting byte set: a b
+ /^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]/SI
+ Capturing subpattern count = 1
+ Options: anchored
+ No first char
+ Need char = ':'
+ Subject length lower bound = 22
+ No set of starting bytes
+ /  (?: [\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
+ /xSI
+ Capturing subpattern count = 0
+ Contains explicit CR or LF match
+ Options: extended
+ No first char
+ No need char
+ Subject length lower bound = 3
+ Starting byte set: \x09 \x20 ! " # $ % & ' ( * + - / 0 1 2 3 4 5 6 7 8
+= ? 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 { | } ~ \x7f
+ /<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>/isIS
+ Capturing subpattern count = 11
+ Options: caseless dotall
+ First char = '<'
+ Need char = '>'
+ Subject length lower bound = 47
+ No set of starting bytes
+ "(?>.*/)foo"SI
+ Capturing subpattern count = 0
+ No options
+ First char at start or follows newline
+ Need char = 'o'
+ Subject length lower bound = 4
+ No set of starting bytes
+ /(?(?=[^a-z]+[a-z])  \d{2}-[a-z]{3}-\d{2}  |  \d{2}-\d{2}-\d{2} ) /xSI
+ Capturing subpattern count = 0
+ Options: extended
+ No first char
+ Need char = '-'
+ Subject length lower bound = 8
+ No set of starting bytes
+ /(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/iSI
+ Capturing subpattern count = 1
+ Options: caseless
+ No first char
+ No need char
+ Subject length lower bound = 1
+ Starting byte set: A B C a b c
+ /(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/SI
+ Capturing subpattern count = 0
+ No options
+ No first char
+ Need char = 'b'
+ Subject length lower bound = 41
+ Starting byte set: c d
+ /<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
+ /isxSI
+ Capturing subpattern count = 3
+ Max back reference = 1
+ Options: caseless extended dotall
+ First char = '<'
+ Need char = '='
+ Subject length lower bound = 9
+ No set of starting bytes
+ /^(?!:)                       # 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
+   /xiIS
+ Capturing subpattern count = 1
+ Options: anchored caseless extended
+ No first char
+ Need char = ':'
+ Subject length lower bound = 2
+ No set of starting bytes
+ /(?|(?<a>A)|(?<a>B))/I
+ Capturing subpattern count = 1
+ Named capturing subpatterns:
+   a   1
+   a   1
+ No options
+ No first char
+ No need char
+     AB\Ca
+: A
+: A
+   C A (1) a
+     BA\Ca
+: B
+: B
+   C B (1) a
+ /(?|(?<a>A)|(?<b>B))/
+ Failed: different names for subpatterns of the same number are not allowed at offset 15
+ /(?:a(?<quote> (?<apostrophe>')|(?<realquote>")) |
+     b(?<quote> (?<apostrophe>')|(?<realquote>")) )
+     (?('quote')[a-z]+|[0-9]+)/JIx
+ Capturing subpattern count = 6
+ Named capturing subpatterns:
+   apostrophe   2
+   apostrophe   5
+   quote        1
+   quote        4
+   realquote    3
+   realquote    6
+ Options: extended dupnames
+ No first char
+ No need char
+     a"aaaaa
+: a"aaaaa
+: "
+: <unset>
+: "
+     b"aaaaa
+: b"aaaaa
+: <unset>
+: <unset>
+: <unset>
+: "
+: <unset>
+: "
+     ** Failers
+ No match
+     b"11111
+ No match
+     a"11111
+ No match
+ /^(?|(a)(b)(c)(?<D>d)|(?<D>e)) (?('D')X|Y)/JDZx
+ ------------------------------------------------------------------
+         Bra
+         ^
+         Bra
+         CBra 1
+         a
+         Ket
+         CBra 2
+         b
+         Ket
+         CBra 3
+         c
+         Ket
+         CBra 4
+         d
+         Ket
+         Alt
+         CBra 1
+         e
+         Ket
+         Ket
+         Cond
+Cond nref
+         X
+         Alt
+         Y
+         Ket
+         Ket
+         End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 4
+ Named capturing subpatterns:
+   D   4
+   D   1
+ Options: anchored extended dupnames
+ No first char
+ No need char
+     abcdX
+: abcdX
+: a
+: b
+: c
+: d
+     eX
+: eX
+: e
+     ** Failers
+ No match
+     abcdY
+ No match
+     ey
+ No match
+ /(?<A>a) (b)(c)  (?<A>d  (?(R&A)$ | (?4)) )/JDZx
+ ------------------------------------------------------------------
+         Bra
+         CBra 1
+         a
+         Ket
+         CBra 2
+         b
+         Ket
+         CBra 3
+         c
+         Ket
+         CBra 4
+         d
+         Cond
+         Cond nrecurse 1
+         $
+         Alt
+         Once
+         Recurse
+         Ket
+         Ket
+         Ket
+         Ket
+         End
+ ------------------------------------------------------------------
+ Capturing subpattern count = 4
+ Named capturing subpatterns:
+   A   1
+   A   4
+ Options: extended dupnames
+ First char = 'a'
+ Need char = 'd'
+     abcdd
+: abcdd
+: a
+: b
+: c
+: dd
+     ** Failers
+ No match
+     abcdde
+ No match
+ /abcd*/
+     xxxxabcd\P
+: abcd
+     xxxxabcd\P\P
+ Partial match: abcd
+ /abcd*/i
+     xxxxabcd\P
+: abcd
+     xxxxabcd\P\P
+ Partial match: abcd
+     XXXXABCD\P
+: ABCD
+     XXXXABCD\P\P
+ Partial match: ABCD
+ /abc\d*/
+     xxxxabc1\P
+: abc1
+     xxxxabc1\P\P
+ Partial match: abc1
+ /(a)bc\1*/
+     xxxxabca\P
+: abca
+: a
+     xxxxabca\P\P
+ Partial match: abca
+ /abc[de]*/
+     xxxxabcde\P
+: abcde
+     xxxxabcde\P\P
+ Partial match: abcde
+ /-- This is not in the Perl >= 5.10 test because Perl seems currently to be
+     broken and not behaving as specified in that it *does* bumpalong after
+     hitting (*COMMIT). --/
+ /(?1)(A(*COMMIT)|B)D/
+     ABD
+: ABD
+: B
+     XABD
+: ABD
+: B
+     BAD
+: BAD
+: A
+     ABXABD
+: ABD
+: B
+     ** Failers
+ No match
+     ABX
+ No match
+     BAXBAD
+ No match
+ /(\3)(\1)(a)/<JS>
+     cat
+: a
+:
+:
+: a
+ /(\3)(\1)(a)/SI<JS>
+ Capturing subpattern count = 3
+ Max back reference = 3
+ Options:
+ No first char
+ Need char = 'a'
+ Subject length lower bound = 1
+ No set of starting bytes
+     cat
+: a
+:
+:
+: a
+ /(\3)(\1)(a)/SI
+ Capturing subpattern count = 3
+ Max back reference = 3
+ No options
+ No first char
+ Need char = 'a'
+ Subject length lower bound = 3
+ No set of starting bytes
+     cat
+ No match
+ /i(?(DEFINE)(?<s>a))/SI
+ Capturing subpattern count = 1
+ Named capturing subpatterns:
+   s   1
+ No options
+ First char = 'i'
+ No need char
+ Subject length lower bound = 1
+ No set of starting bytes
+     i
+: i
+ /()i(?(1)a)/SI
+ Capturing subpattern count = 1
+ No options
+ No first char
+ Need char = 'i'
+ Subject length lower bound = 1
+ Starting byte set: i
+     ia
+: ia
+:
+ /(?i)a(?-i)b|c/BZ
+ ------------------------------------------------------------------
+         Bra
+      NC a
+Opt
+         b
+         Alt
+Opt
+         c
+         Ket
+         End
+ ------------------------------------------------------------------
+     XabX
+: ab
+     XAbX
+: Ab
+     CcC
+: c
+     ** Failers
+ No match
+     XABX
+ No match
+ /(?i)a(?s)b|c/BZ
+ ------------------------------------------------------------------
+         Bra
+      NC a
+Opt
+      NC b
+         Alt
+Opt
+      NC c
+         Ket
+         End
+ ------------------------------------------------------------------
+ /(?i)a(?s-i)b|c/BZ
+ ------------------------------------------------------------------
+         Bra
+      NC a
+Opt
+         b
+         Alt
+Opt
+         c
+         Ket
+         End
+ ------------------------------------------------------------------
+ /^(ab(c\1)d|x){2}$/BZ
+ ------------------------------------------------------------------
+         Bra
+         ^
+         Once
+         CBra 1
+         ab
+         CBra 2
+         c
+         \1
+         Ket
+         d
+         Alt
+         x
+         Ket
+         Ket
+         Once
+         CBra 1
+         ab
+         CBra 2
+         c
+         \1
+         Ket
+         d
+         Alt
+         x
+         Ket
+         Ket
+         $
+         Ket
+         End
+ ------------------------------------------------------------------
+     xabcxd
+: xabcxd
+: abcxd
+: cx
+ /^(?&t)*+(?(DEFINE)(?<t>.))$/BZ
+ ------------------------------------------------------------------
+         Bra
+         ^
+         Once
+         Brazero
+         Once
+         Recurse
+         KetRmax
+         Ket
+         Cond
+         Cond def
+         CBra 1
+         Any
+         Ket
+         Ket
+         $
+         Ket
+         End
+ ------------------------------------------------------------------
+ /^(?&t)*(?(DEFINE)(?<t>.))$/BZ
+ ------------------------------------------------------------------
+         Bra
+         ^
+         Brazero
+         Once
+         Recurse
+         KetRmax
+         Cond
+         Cond def
+         CBra 1
+         Any
+         Ket
+         Ket
+         $
+         Ket
+         End
+ ------------------------------------------------------------------
+ / -- The first four of these are not in the Perl >= 5.10 test because Perl
+      documents that the use of \K in assertions is "not well defined". The
+      last is here because Perl gives the match as "b" rather than "ab". I
+      believe this to be a Perl bug. --/
+ /(?=a\Kb)ab/
+     ab
+: b
+ /(?!a\Kb)ac/
+     ac
+: ac
+ /^abc(?<=b\Kc)d/
+     abcd
+: cd
+ /^abc(?<!b\Kq)d/
+     abcd
+: abcd
+ /(?>a\Kb)z|(ab)/
+     ab
+: ab
+: ab
+ /----------------------/
+ /(?P<L1>(?P<L2>0|)|(?P>L2)(?P>L1))/
+ Failed: recursive call could loop indefinitely at offset 31
+ /abc(*MARK:)pqr/
+ Failed: (*MARK) must have an argument at offset 10
+ /abc(*:)pqr/
+ Failed: (*MARK) must have an argument at offset 6
+ /abc(*FAIL:123)xyz/
+ Failed: an argument is not allowed for (*ACCEPT), (*FAIL), or (*COMMIT) at offset 13
+ /--- This should, and does, fail. In Perl, it does not, which I think is a
+      bug because replacing the B in the pattern by (B|D) does make it fail. ---/
+ /A(*COMMIT)B/+K
+     ACABX
+ No match
+ /--- These should be different, but in Perl 5.11 are not, which I think
+      is a bug in Perl. ---/
+ /A(*THEN)B|A(*THEN)C/K
+     AC
+: AC
+ /A(*PRUNE)B|A(*PRUNE)C/K
+     AC
+ No match
+ /--- A whole lot of tests of verbs with arguments are here rather than in test
+because Perl doesn't seem to follow its specification entirely
+      correctly. ---/
+ /--- Perl 5.11 sets $REGERROR on the AC failure case here; PCRE does not. It is
+      not clear how Perl defines "involved in the failure of the match". ---/
+ /^(A(*THEN:A)B|C(*THEN:B)D)/K
+     AB
+: AB
+: AB
+     CD
+: CD
+: CD
+     ** Failers
+ No match
+     AC
+ No match
+     CB
+ No match, mark = B
+ /--- Check the use of names for success and failure. PCRE doesn't show these
+ names for success, though Perl does, contrary to its spec. ---/
+ /^(A(*PRUNE:A)B|C(*PRUNE:B)D)/K
+     AB
+: AB
+: AB
+     CD
+: CD
+: CD
+     ** Failers
+ No match
+     AC
+ No match, mark = A
+     CB
+ No match, mark = B
+ /--- An empty name does not pass back an empty string. It is the same as if no
+ name were given. ---/
+ /^(A(*PRUNE:)B|C(*PRUNE:B)D)/K
+     AB
+: AB
+: AB
+     CD
+: CD
+: CD
+ /--- PRUNE goes to next bumpalong; COMMIT does not. ---/
+ /A(*PRUNE:A)B/K
+     ACAB
+: AB
+ /(*MARK:A)(*PRUNE:B)(C|X)/K
+     C
+: C
+: C
+ MK: A
+     D
+ No match, mark = B
+ /(*MARK:A)(*THEN:B)(C|X)/K
+     C
+: C
+: C
+ MK: A
+     D
+ No match, mark = B
+ /--- This should fail, as the skip causes a bump to offset 3 (the skip) ---/
+ /A(*MARK:A)A+(*SKIP)(B|Z) | AC/xK
+     AAAC
+ No match
+ /--- Same --/
+ /A(*MARK:A)A+(*MARK:B)(*SKIP:B)(B|Z) | AC/xK
+     AAAC
+ No match
+ /--- This should fail; the SKIP advances by one, but when we get to AC, the
+      PRUNE kills it. ---/
+ /A(*PRUNE:A)A+(*SKIP:A)(B|Z) | AC/xK
+     AAAC
+ No match
+ /A(*:A)A+(*SKIP)(B|Z) | AC/xK
+     AAAC
+ No match
+ /--- This should fail, as a null name is the same as no name ---/
+ /A(*MARK:A)A+(*SKIP:)(B|Z) | AC/xK
+     AAAC
+ No match
+ /--- This fails in PCRE, and I think that is in accordance with Perl's
+      documentation, though in Perl it succeeds. ---/
+ /A(*MARK:A)A+(*SKIP:B)(B|Z) | AAC/xK
+     AAAC
+ No match
+ /--- Mark names can be duplicated ---/
+ /A(*:A)B|X(*:A)Y/K
+     AABC
+: AB
+ MK: A
+     XXYZ
+: XY
+ MK: A
+ /^A(*:A)B|^X(*:A)Y/K
+     ** Failers
+ No match
+     XAQQ
+ No match, mark = A
+ /--- A check on what happens after hitting a mark and them bumping along to
+ something that does not even start. Perl reports tags after the failures here,
+ though it does not when the individual letters are made into something
+ more complicated. ---/
+ /A(*:A)B|XX(*:B)Y/K
+     AABC
+: AB
+ MK: A
+     XXYZ
+: XXY
+ MK: B
+     ** Failers
+ No match
+     XAQQ
+ No match
+     XAQQXZZ
+ No match
+     AXQQQ
+ No match
+     AXXQQQ
+ No match
+ /--- COMMIT at the start of a pattern should be the same as an anchor. Perl
+ optimizations defeat this. So does the PCRE optimization unless we disable it
+ with \Y. ---/
+ /(*COMMIT)ABC/
+     ABCDEFG
+: ABC
+     ** Failers
+ No match
+     DEFGABC\Y
+ No match
+ /--- Repeat some tests with added studying. ---/
+ /A(*COMMIT)B/+KS
+     ACABX
+ No match
+ /A(*THEN)B|A(*THEN)C/KS
+     AC
+: AC
+ /A(*PRUNE)B|A(*PRUNE)C/KS
+     AC