xref: /third_party/pcre2/pcre2/testdata/testoutput10

# This set of tests is for UTF-8 support and Unicode property support, with
# relevance only for the 8-bit library.

# The next 5 patterns have UTF-8 errors

/[�]/utf
Failed: error -8 at offset 1: UTF-8 error: byte 2 top bits not 0x80

/�/utf
Failed: error -3 at offset 0: UTF-8 error: 1 byte missing at end

/���xxx/utf
Failed: error -8 at offset 0: UTF-8 error: byte 2 top bits not 0x80

/��������/utf
Failed: error -22 at offset 2: UTF-8 error: isolated byte with 0x80 bit set

/��������/match_invalid_utf
Failed: error -22 at offset 2: UTF-8 error: isolated byte with 0x80 bit set

# Now test subjects

/badutf/utf
\= Expect UTF-8 errors
    X\xdf
Failed: error -3: UTF-8 error: 1 byte missing at end at offset 1
    XX\xef
Failed: error -4: UTF-8 error: 2 bytes missing at end at offset 2
    XXX\xef\x80
Failed: error -3: UTF-8 error: 1 byte missing at end at offset 3
    X\xf7
Failed: error -5: UTF-8 error: 3 bytes missing at end at offset 1
    XX\xf7\x80
Failed: error -4: UTF-8 error: 2 bytes missing at end at offset 2
    XXX\xf7\x80\x80
Failed: error -3: UTF-8 error: 1 byte missing at end at offset 3
    \xfb
Failed: error -6: UTF-8 error: 4 bytes missing at end at offset 0
    \xfb\x80
Failed: error -5: UTF-8 error: 3 bytes missing at end at offset 0
    \xfb\x80\x80
Failed: error -4: UTF-8 error: 2 bytes missing at end at offset 0
    \xfb\x80\x80\x80
Failed: error -3: UTF-8 error: 1 byte missing at end at offset 0
    \xfd
Failed: error -7: UTF-8 error: 5 bytes missing at end at offset 0
    \xfd\x80
Failed: error -6: UTF-8 error: 4 bytes missing at end at offset 0
    \xfd\x80\x80
Failed: error -5: UTF-8 error: 3 bytes missing at end at offset 0
    \xfd\x80\x80\x80
Failed: error -4: UTF-8 error: 2 bytes missing at end at offset 0
    \xfd\x80\x80\x80\x80
Failed: error -3: UTF-8 error: 1 byte missing at end at offset 0
    \xdf\x7f
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 0
    \xef\x7f\x80
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 0
    \xef\x80\x7f
Failed: error -9: UTF-8 error: byte 3 top bits not 0x80 at offset 0
    \xf7\x7f\x80\x80
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 0
    \xf7\x80\x7f\x80
Failed: error -9: UTF-8 error: byte 3 top bits not 0x80 at offset 0
    \xf7\x80\x80\x7f
Failed: error -10: UTF-8 error: byte 4 top bits not 0x80 at offset 0
    \xfb\x7f\x80\x80\x80
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 0
    \xfb\x80\x7f\x80\x80
Failed: error -9: UTF-8 error: byte 3 top bits not 0x80 at offset 0
    \xfb\x80\x80\x7f\x80
Failed: error -10: UTF-8 error: byte 4 top bits not 0x80 at offset 0
    \xfb\x80\x80\x80\x7f
Failed: error -11: UTF-8 error: byte 5 top bits not 0x80 at offset 0
    \xfd\x7f\x80\x80\x80\x80
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 0
    \xfd\x80\x7f\x80\x80\x80
Failed: error -9: UTF-8 error: byte 3 top bits not 0x80 at offset 0
    \xfd\x80\x80\x7f\x80\x80
Failed: error -10: UTF-8 error: byte 4 top bits not 0x80 at offset 0
    \xfd\x80\x80\x80\x7f\x80
Failed: error -11: UTF-8 error: byte 5 top bits not 0x80 at offset 0
    \xfd\x80\x80\x80\x80\x7f
Failed: error -12: UTF-8 error: byte 6 top bits not 0x80 at offset 0
    \xed\xa0\x80
Failed: error -16: UTF-8 error: code points 0xd800-0xdfff are not defined at offset 0
    \xc0\x8f
Failed: error -17: UTF-8 error: overlong 2-byte sequence at offset 0
    \xe0\x80\x8f
Failed: error -18: UTF-8 error: overlong 3-byte sequence at offset 0
    \xf0\x80\x80\x8f
Failed: error -19: UTF-8 error: overlong 4-byte sequence at offset 0
    \xf8\x80\x80\x80\x8f
Failed: error -20: UTF-8 error: overlong 5-byte sequence at offset 0
    \xfc\x80\x80\x80\x80\x8f
Failed: error -21: UTF-8 error: overlong 6-byte sequence at offset 0
    \x80
Failed: error -22: UTF-8 error: isolated byte with 0x80 bit set at offset 0
    \xfe
Failed: error -23: UTF-8 error: illegal byte (0xfe or 0xff) at offset 0
    \xff
Failed: error -23: UTF-8 error: illegal byte (0xfe or 0xff) at offset 0

/badutf/utf
\= Expect UTF-8 errors
    XX\xfb\x80\x80\x80\x80
Failed: error -13: UTF-8 error: 5-byte character is not allowed (RFC 3629) at offset 2
    XX\xfd\x80\x80\x80\x80\x80
Failed: error -14: UTF-8 error: 6-byte character is not allowed (RFC 3629) at offset 2
    XX\xf7\xbf\xbf\xbf
Failed: error -15: UTF-8 error: code points greater than 0x10ffff are not defined at offset 2

/shortutf/utf
\= Expect UTF-8 errors
    XX\xdf\=ph
Failed: error -3: UTF-8 error: 1 byte missing at end at offset 2
    XX\xef\=ph
Failed: error -4: UTF-8 error: 2 bytes missing at end at offset 2
    XX\xef\x80\=ph
Failed: error -3: UTF-8 error: 1 byte missing at end at offset 2
    \xf7\=ph
Failed: error -5: UTF-8 error: 3 bytes missing at end at offset 0
    \xf7\x80\=ph
Failed: error -4: UTF-8 error: 2 bytes missing at end at offset 0
    \xf7\x80\x80\=ph
Failed: error -3: UTF-8 error: 1 byte missing at end at offset 0
    \xfb\=ph
Failed: error -6: UTF-8 error: 4 bytes missing at end at offset 0
    \xfb\x80\=ph
Failed: error -5: UTF-8 error: 3 bytes missing at end at offset 0
    \xfb\x80\x80\=ph
Failed: error -4: UTF-8 error: 2 bytes missing at end at offset 0
    \xfb\x80\x80\x80\=ph
Failed: error -3: UTF-8 error: 1 byte missing at end at offset 0
    \xfd\=ph
Failed: error -7: UTF-8 error: 5 bytes missing at end at offset 0
    \xfd\x80\=ph
Failed: error -6: UTF-8 error: 4 bytes missing at end at offset 0
    \xfd\x80\x80\=ph
Failed: error -5: UTF-8 error: 3 bytes missing at end at offset 0
    \xfd\x80\x80\x80\=ph
Failed: error -4: UTF-8 error: 2 bytes missing at end at offset 0
    \xfd\x80\x80\x80\x80\=ph
Failed: error -3: UTF-8 error: 1 byte missing at end at offset 0

/anything/utf
\= Expect UTF-8 errors
    X\xc0\x80
Failed: error -17: UTF-8 error: overlong 2-byte sequence at offset 1
    XX\xc1\x8f
Failed: error -17: UTF-8 error: overlong 2-byte sequence at offset 2
    XXX\xe0\x9f\x80
Failed: error -18: UTF-8 error: overlong 3-byte sequence at offset 3
    \xf0\x8f\x80\x80
Failed: error -19: UTF-8 error: overlong 4-byte sequence at offset 0
    \xf8\x87\x80\x80\x80
Failed: error -20: UTF-8 error: overlong 5-byte sequence at offset 0
    \xfc\x83\x80\x80\x80\x80
Failed: error -21: UTF-8 error: overlong 6-byte sequence at offset 0
    \xfe\x80\x80\x80\x80\x80
Failed: error -23: UTF-8 error: illegal byte (0xfe or 0xff) at offset 0
    \xff\x80\x80\x80\x80\x80
Failed: error -23: UTF-8 error: illegal byte (0xfe or 0xff) at offset 0
    \xf8\x88\x80\x80\x80
Failed: error -13: UTF-8 error: 5-byte character is not allowed (RFC 3629) at offset 0
    \xf9\x87\x80\x80\x80
Failed: error -13: UTF-8 error: 5-byte character is not allowed (RFC 3629) at offset 0
    \xfc\x84\x80\x80\x80\x80
Failed: error -14: UTF-8 error: 6-byte character is not allowed (RFC 3629) at offset 0
    \xfd\x83\x80\x80\x80\x80
Failed: error -14: UTF-8 error: 6-byte character is not allowed (RFC 3629) at offset 0
\= Expect no match
    \xc3\x8f
No match
    \xe0\xaf\x80
No match
    \xe1\x80\x80
No match
    \xf0\x9f\x80\x80
No match
    \xf1\x8f\x80\x80
No match
    \xf8\x88\x80\x80\x80\=no_utf_check
No match
    \xf9\x87\x80\x80\x80\=no_utf_check
No match
    \xfc\x84\x80\x80\x80\x80\=no_utf_check
No match
    \xfd\x83\x80\x80\x80\x80\=no_utf_check
No match
    
# Similar tests with offsets

/badutf/utf
\= Expect UTF-8 errors
    X\xdfabcd
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 1
    X\xdfabcd\=offset=1
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 1
\= Expect no match
    X\xdfabcd\=offset=2
No match

/(?<=x)badutf/utf
\= Expect UTF-8 errors
    X\xdfabcd
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 1
    X\xdfabcd\=offset=1
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 1
    X\xdfabcd\=offset=2
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 1
    X\xdfabcd\xdf\=offset=3
Failed: error -3: UTF-8 error: 1 byte missing at end at offset 6
\= Expect no match
    X\xdfabcd\=offset=3
No match

/(?<=xx)badutf/utf
\= Expect UTF-8 errors
    X\xdfabcd
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 1
    X\xdfabcd\=offset=1
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 1
    X\xdfabcd\=offset=2
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 1
    X\xdfabcd\=offset=3
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 1

/(?<=xxxx)badutf/utf
\= Expect UTF-8 errors
    X\xdfabcd
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 1
    X\xdfabcd\=offset=1
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 1
    X\xdfabcd\=offset=2
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 1
    X\xdfabcd\=offset=3
Failed: error -8: UTF-8 error: byte 2 top bits not 0x80 at offset 1
    X\xdfabc\xdf\=offset=6
Failed: error -3: UTF-8 error: 1 byte missing at end at offset 5
    X\xdfabc\xdf\=offset=7
Failed: error -33: bad offset value
\= Expect no match
    X\xdfabcd\=offset=6
No match
 
/\x{100}/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc4
Last code unit = \x80
Subject length lower bound = 1

/\x{1000}/IB,utf
------------------------------------------------------------------
        Bra
        \x{1000}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xe1
Last code unit = \x80
Subject length lower bound = 1

/\x{10000}/IB,utf
------------------------------------------------------------------
        Bra
        \x{10000}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xf0
Last code unit = \x80
Subject length lower bound = 1

/\x{100000}/IB,utf
------------------------------------------------------------------
        Bra
        \x{100000}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xf4
Last code unit = \x80
Subject length lower bound = 1

/\x{10ffff}/IB,utf
------------------------------------------------------------------
        Bra
        \x{10ffff}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xf4
Last code unit = \xbf
Subject length lower bound = 1

/[\x{ff}]/IB,utf
------------------------------------------------------------------
        Bra
        \x{ff}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc3
Last code unit = \xbf
Subject length lower bound = 1

/[\x{100}]/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc4
Last code unit = \x80
Subject length lower bound = 1

/\x80/IB,utf
------------------------------------------------------------------
        Bra
        \x{80}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc2
Last code unit = \x80
Subject length lower bound = 1

/\xff/IB,utf
------------------------------------------------------------------
        Bra
        \x{ff}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc3
Last code unit = \xbf
Subject length lower bound = 1

/\x{D55c}\x{ad6d}\x{C5B4}/IB,utf
------------------------------------------------------------------
        Bra
        \x{d55c}\x{ad6d}\x{c5b4}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xed
Last code unit = \xb4
Subject length lower bound = 3
    \x{D55c}\x{ad6d}\x{C5B4}
 0: \x{d55c}\x{ad6d}\x{c5b4}

/\x{65e5}\x{672c}\x{8a9e}/IB,utf
------------------------------------------------------------------
        Bra
        \x{65e5}\x{672c}\x{8a9e}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xe6
Last code unit = \x9e
Subject length lower bound = 3
    \x{65e5}\x{672c}\x{8a9e}
 0: \x{65e5}\x{672c}\x{8a9e}

/\x{80}/IB,utf
------------------------------------------------------------------
        Bra
        \x{80}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc2
Last code unit = \x80
Subject length lower bound = 1

/\x{084}/IB,utf
------------------------------------------------------------------
        Bra
        \x{84}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc2
Last code unit = \x84
Subject length lower bound = 1

/\x{104}/IB,utf
------------------------------------------------------------------
        Bra
        \x{104}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc4
Last code unit = \x84
Subject length lower bound = 1

/\x{861}/IB,utf
------------------------------------------------------------------
        Bra
        \x{861}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xe0
Last code unit = \xa1
Subject length lower bound = 1

/\x{212ab}/IB,utf
------------------------------------------------------------------
        Bra
        \x{212ab}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xf0
Last code unit = \xab
Subject length lower bound = 1

/[^ab\xC0-\xF0]/IB,utf
------------------------------------------------------------------
        Bra
        [\x00-`c-\xbf\xf1-\xff] (neg)
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Starting code units: \x00 \x01 \x02 \x03 \x04 \x05 \x06 \x07 \x08 \x09 \x0a 
  \x0b \x0c \x0d \x0e \x0f \x10 \x11 \x12 \x13 \x14 \x15 \x16 \x17 \x18 \x19 
  \x1a \x1b \x1c \x1d \x1e \x1f \x20 ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 
  5 6 7 8 9 : ; < = > ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y 
  Z [ \ ] ^ _ ` c d e f g h i j k l m n o p q r s t u v w x y z { | } ~ \x7f 
  \xc2 \xc3 \xc4 \xc5 \xc6 \xc7 \xc8 \xc9 \xca \xcb \xcc \xcd \xce \xcf \xd0 
  \xd1 \xd2 \xd3 \xd4 \xd5 \xd6 \xd7 \xd8 \xd9 \xda \xdb \xdc \xdd \xde \xdf 
  \xe0 \xe1 \xe2 \xe3 \xe4 \xe5 \xe6 \xe7 \xe8 \xe9 \xea \xeb \xec \xed \xee 
  \xef \xf0 \xf1 \xf2 \xf3 \xf4 \xf5 \xf6 \xf7 \xf8 \xf9 \xfa \xfb \xfc \xfd 
  \xfe \xff 
Subject length lower bound = 1
    \x{f1}
 0: \x{f1}
    \x{bf}
 0: \x{bf}
    \x{100}
 0: \x{100}
    \x{1000}
 0: \x{1000}
\= Expect no match
    \x{c0}
No match
    \x{f0}
No match

/Ā{3,4}/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}{3}
        \x{100}?+
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc4
Last code unit = \x80
Subject length lower bound = 3
  \x{100}\x{100}\x{100}\x{100\x{100}
 0: \x{100}\x{100}\x{100}

/(\x{100}+|x)/IB,utf
------------------------------------------------------------------
        Bra
        CBra 1
        \x{100}++
        Alt
        x
        Ket
        Ket
        End
------------------------------------------------------------------
Capture group count = 1
Options: utf
Starting code units: x \xc4 
Subject length lower bound = 1

/(\x{100}*a|x)/IB,utf
------------------------------------------------------------------
        Bra
        CBra 1
        \x{100}*+
        a
        Alt
        x
        Ket
        Ket
        End
------------------------------------------------------------------
Capture group count = 1
Options: utf
Starting code units: a x \xc4 
Subject length lower bound = 1

/(\x{100}{0,2}a|x)/IB,utf
------------------------------------------------------------------
        Bra
        CBra 1
        \x{100}{0,2}+
        a
        Alt
        x
        Ket
        Ket
        End
------------------------------------------------------------------
Capture group count = 1
Options: utf
Starting code units: a x \xc4 
Subject length lower bound = 1

/(\x{100}{1,2}a|x)/IB,utf
------------------------------------------------------------------
        Bra
        CBra 1
        \x{100}
        \x{100}{0,1}+
        a
        Alt
        x
        Ket
        Ket
        End
------------------------------------------------------------------
Capture group count = 1
Options: utf
Starting code units: x \xc4 
Subject length lower bound = 1

/\x{100}/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc4
Last code unit = \x80
Subject length lower bound = 1

/a\x{100}\x{101}*/IB,utf
------------------------------------------------------------------
        Bra
        a\x{100}
        \x{101}*+
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = 'a'
Last code unit = \x80
Subject length lower bound = 2

/a\x{100}\x{101}+/IB,utf
------------------------------------------------------------------
        Bra
        a\x{100}
        \x{101}++
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = 'a'
Last code unit = \x81
Subject length lower bound = 3

/[^\x{c4}]/IB
------------------------------------------------------------------
        Bra
        [^\x{c4}]
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Subject length lower bound = 1

/[\x{100}]/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc4
Last code unit = \x80
Subject length lower bound = 1
    \x{100}
 0: \x{100}
    Z\x{100}
 0: \x{100}
    \x{100}Z
 0: \x{100}

/[\xff]/IB,utf
------------------------------------------------------------------
        Bra
        \x{ff}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc3
Last code unit = \xbf
Subject length lower bound = 1
    >\x{ff}<
 0: \x{ff}

/[^\xff]/IB,utf
------------------------------------------------------------------
        Bra
        [^\x{ff}]
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Subject length lower bound = 1

/\x{100}abc(xyz(?1))/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}abc
        CBra 1
        xyz
        Recurse
        Ket
        Ket
        End
------------------------------------------------------------------
Capture group count = 1
Options: utf
First code unit = \xc4
Last code unit = 'z'
Subject length lower bound = 7

/\777/I,utf
Capture group count = 0
Options: utf
First code unit = \xc7
Last code unit = \xbf
Subject length lower bound = 1
  \x{1ff}
 0: \x{1ff}
  \777
 0: \x{1ff}

/\x{100}+\x{200}/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}++
        \x{200}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc4
Last code unit = \x80
Subject length lower bound = 2

/\x{100}+X/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}++
        X
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc4
Last code unit = 'X'
Subject length lower bound = 2

/^[\QĀ\E-\QŐ\E/B,utf
Failed: error 106 at offset 15: missing terminating ] for character class

# This tests the stricter UTF-8 check according to RFC 3629.

/X/utf
\= Expect UTF-8 errors
    \x{d800}
Failed: error -16: UTF-8 error: code points 0xd800-0xdfff are not defined at offset 0
    \x{da00}
Failed: error -16: UTF-8 error: code points 0xd800-0xdfff are not defined at offset 0
    \x{dfff}
Failed: error -16: UTF-8 error: code points 0xd800-0xdfff are not defined at offset 0
    \x{110000}
Failed: error -15: UTF-8 error: code points greater than 0x10ffff are not defined at offset 0
    \x{2000000}
Failed: error -13: UTF-8 error: 5-byte character is not allowed (RFC 3629) at offset 0
    \x{7fffffff}
Failed: error -14: UTF-8 error: 6-byte character is not allowed (RFC 3629) at offset 0
\= Expect no match
    \x{d800}\=no_utf_check
No match
    \x{da00}\=no_utf_check
No match
    \x{dfff}\=no_utf_check
No match
    \x{110000}\=no_utf_check
No match
    \x{2000000}\=no_utf_check
No match
    \x{7fffffff}\=no_utf_check
No match

/(*UTF8)\x{1234}/
    abcd\x{1234}pqr
 0: \x{1234}

/(*CRLF)(*UTF)(*BSR_UNICODE)a\Rb/I
Capture group count = 0
Compile options: <none>
Overall options: utf
\R matches any Unicode newline
Forced newline is CRLF
First code unit = 'a'
Last code unit = 'b'
Subject length lower bound = 3

/\h/I,utf
Capture group count = 0
Options: utf
Starting code units: \x09 \x20 \xc2 \xe1 \xe2 \xe3 
Subject length lower bound = 1
    ABC\x{09}
 0: \x{09}
    ABC\x{20}
 0:  
    ABC\x{a0}
 0: \x{a0}
    ABC\x{1680}
 0: \x{1680}
    ABC\x{180e}
 0: \x{180e}
    ABC\x{2000}
 0: \x{2000}
    ABC\x{202f}
 0: \x{202f}
    ABC\x{205f}
 0: \x{205f}
    ABC\x{3000}
 0: \x{3000}

/\v/I,utf
Capture group count = 0
Options: utf
Starting code units: \x0a \x0b \x0c \x0d \xc2 \xe2 
Subject length lower bound = 1
    ABC\x{0a}
 0: \x{0a}
    ABC\x{0b}
 0: \x{0b}
    ABC\x{0c}
 0: \x{0c}
    ABC\x{0d}
 0: \x{0d}
    ABC\x{85}
 0: \x{85}
    ABC\x{2028}
 0: \x{2028}

/\h*A/I,utf
Capture group count = 0
Options: utf
Starting code units: \x09 \x20 A \xc2 \xe1 \xe2 \xe3 
Last code unit = 'A'
Subject length lower bound = 1
    CDBABC
 0: A

/\v+A/I,utf
Capture group count = 0
Options: utf
Starting code units: \x0a \x0b \x0c \x0d \xc2 \xe2 
Last code unit = 'A'
Subject length lower bound = 2

/\s?xxx\s/I,utf
Capture group count = 0
Options: utf
Starting code units: \x09 \x0a \x0b \x0c \x0d \x20 x 
Last code unit = 'x'
Subject length lower bound = 4

/\sxxx\s/I,utf,tables=2
Capture group count = 0
Options: utf
Starting code units: \x09 \x0a \x0b \x0c \x0d \x20 \xc2 
Last code unit = 'x'
Subject length lower bound = 5
    AB\x{85}xxx\x{a0}XYZ
 0: \x{85}xxx\x{a0}
    AB\x{a0}xxx\x{85}XYZ
 0: \x{a0}xxx\x{85}

/\S \S/I,utf,tables=2
Capture group count = 0
Options: utf
Starting code units: \x00 \x01 \x02 \x03 \x04 \x05 \x06 \x07 \x08 \x0e \x0f 
  \x10 \x11 \x12 \x13 \x14 \x15 \x16 \x17 \x18 \x19 \x1a \x1b \x1c \x1d \x1e 
  \x1f ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ? @ A B C 
  D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ ` a b c d e f g h 
  i j k l m n o p q r s t u v w x y z { | } ~ \x7f \xc0 \xc1 \xc2 \xc3 \xc4 
  \xc5 \xc6 \xc7 \xc8 \xc9 \xca \xcb \xcc \xcd \xce \xcf \xd0 \xd1 \xd2 \xd3 
  \xd4 \xd5 \xd6 \xd7 \xd8 \xd9 \xda \xdb \xdc \xdd \xde \xdf \xe0 \xe1 \xe2 
  \xe3 \xe4 \xe5 \xe6 \xe7 \xe8 \xe9 \xea \xeb \xec \xed \xee \xef \xf0 \xf1 
  \xf2 \xf3 \xf4 \xf5 \xf6 \xf7 \xf8 \xf9 \xfa \xfb \xfc \xfd \xfe \xff 
Last code unit = ' '
Subject length lower bound = 3
    \x{a2} \x{84}
 0: \x{a2} \x{84}
    A Z
 0: A Z

/a+/utf
    a\x{123}aa\=offset=1
 0: aa
    a\x{123}aa\=offset=3
 0: aa
    a\x{123}aa\=offset=4
 0: a
\= Expect bad offset value
    a\x{123}aa\=offset=6
Failed: error -33: bad offset value
\= Expect bad UTF-8 offset     
    a\x{123}aa\=offset=2
Error -36 (bad UTF-8 offset)
\= Expect no match
    a\x{123}aa\=offset=5
No match

/\x{1234}+/Ii,utf
Capture group count = 0
Options: caseless utf
Starting code units: \xe1 
Subject length lower bound = 1

/\x{1234}+?/Ii,utf
Capture group count = 0
Options: caseless utf
Starting code units: \xe1 
Subject length lower bound = 1

/\x{1234}++/Ii,utf
Capture group count = 0
Options: caseless utf
Starting code units: \xe1 
Subject length lower bound = 1

/\x{1234}{2}/Ii,utf
Capture group count = 0
Options: caseless utf
Starting code units: \xe1 
Subject length lower bound = 2

/[^\x{c4}]/IB,utf
------------------------------------------------------------------
        Bra
        [^\x{c4}]
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Subject length lower bound = 1

/X+\x{200}/IB,utf
------------------------------------------------------------------
        Bra
        X++
        \x{200}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = 'X'
Last code unit = \x80
Subject length lower bound = 2

/\R/I,utf
Capture group count = 0
Options: utf
Starting code units: \x0a \x0b \x0c \x0d \xc2 \xe2 
Subject length lower bound = 1

/\777/IB,utf
------------------------------------------------------------------
        Bra
        \x{1ff}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = \xc7
Last code unit = \xbf
Subject length lower bound = 1

/\w+\x{C4}/B,utf
------------------------------------------------------------------
        Bra
        \w++
        \x{c4}
        Ket
        End
------------------------------------------------------------------
    a\x{C4}\x{C4}
 0: a\x{c4}

/\w+\x{C4}/B,utf,tables=2
------------------------------------------------------------------
        Bra
        \w+
        \x{c4}
        Ket
        End
------------------------------------------------------------------
    a\x{C4}\x{C4}
 0: a\x{c4}\x{c4}

/\W+\x{C4}/B,utf
------------------------------------------------------------------
        Bra
        \W+
        \x{c4}
        Ket
        End
------------------------------------------------------------------
    !\x{C4}
 0: !\x{c4}

/\W+\x{C4}/B,utf,tables=2
------------------------------------------------------------------
        Bra
        \W++
        \x{c4}
        Ket
        End
------------------------------------------------------------------
    !\x{C4}
 0: !\x{c4}

/\W+\x{A1}/B,utf
------------------------------------------------------------------
        Bra
        \W+
        \x{a1}
        Ket
        End
------------------------------------------------------------------
    !\x{A1}
 0: !\x{a1}

/\W+\x{A1}/B,utf,tables=2
------------------------------------------------------------------
        Bra
        \W+
        \x{a1}
        Ket
        End
------------------------------------------------------------------
    !\x{A1}
 0: !\x{a1}

/X\s+\x{A0}/B,utf
------------------------------------------------------------------
        Bra
        X
        \s++
        \x{a0}
        Ket
        End
------------------------------------------------------------------
    X\x20\x{A0}\x{A0}
 0: X \x{a0}

/X\s+\x{A0}/B,utf,tables=2
------------------------------------------------------------------
        Bra
        X
        \s+
        \x{a0}
        Ket
        End
------------------------------------------------------------------
    X\x20\x{A0}\x{A0}
 0: X \x{a0}\x{a0}

/\S+\x{A0}/B,utf
------------------------------------------------------------------
        Bra
        \S+
        \x{a0}
        Ket
        End
------------------------------------------------------------------
    X\x{A0}\x{A0}
 0: X\x{a0}\x{a0}

/\S+\x{A0}/B,utf,tables=2
------------------------------------------------------------------
        Bra
        \S++
        \x{a0}
        Ket
        End
------------------------------------------------------------------
    X\x{A0}\x{A0}
 0: X\x{a0}

/\x{a0}+\s!/B,utf
------------------------------------------------------------------
        Bra
        \x{a0}++
        \s
        !
        Ket
        End
------------------------------------------------------------------
    \x{a0}\x20!
 0: \x{a0} !

/\x{a0}+\s!/B,utf,tables=2
------------------------------------------------------------------
        Bra
        \x{a0}+
        \s
        !
        Ket
        End
------------------------------------------------------------------
    \x{a0}\x20!
 0: \x{a0} !

/A/utf
  \x{ff000041}
** Character \x{ff000041} is greater than 0x7fffffff and so cannot be converted to UTF-8
  \x{7f000041}
Failed: error -14: UTF-8 error: 6-byte character is not allowed (RFC 3629) at offset 0

/(*UTF8)abc/never_utf
Failed: error 174 at offset 7: using UTF is disabled by the application

/abc/utf,never_utf
Failed: error 174 at offset 0: using UTF is disabled by the application

/A\x{391}\x{10427}\x{ff3a}\x{1fb0}/IBi,utf
------------------------------------------------------------------
        Bra
     /i A\x{391}\x{10427}\x{ff3a}\x{1fb0}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: caseless utf
First code unit = 'A' (caseless)
Subject length lower bound = 5

/A\x{391}\x{10427}\x{ff3a}\x{1fb0}/IB,utf
------------------------------------------------------------------
        Bra
        A\x{391}\x{10427}\x{ff3a}\x{1fb0}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = 'A'
Last code unit = \xb0
Subject length lower bound = 5

/AB\x{1fb0}/IB,utf
------------------------------------------------------------------
        Bra
        AB\x{1fb0}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
First code unit = 'A'
Last code unit = \xb0
Subject length lower bound = 3

/AB\x{1fb0}/IBi,utf
------------------------------------------------------------------
        Bra
     /i AB\x{1fb0}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: caseless utf
First code unit = 'A' (caseless)
Last code unit = 'B' (caseless)
Subject length lower bound = 3

/\x{401}\x{420}\x{421}\x{422}\x{423}\x{424}\x{425}\x{426}\x{427}\x{428}\x{429}\x{42a}\x{42b}\x{42c}\x{42d}\x{42e}\x{42f}/Ii,utf
Capture group count = 0
Options: caseless utf
Starting code units: \xd0 \xd1 
Subject length lower bound = 17
    \x{401}\x{420}\x{421}\x{422}\x{423}\x{424}\x{425}\x{426}\x{427}\x{428}\x{429}\x{42a}\x{42b}\x{42c}\x{42d}\x{42e}\x{42f}
 0: \x{401}\x{420}\x{421}\x{422}\x{423}\x{424}\x{425}\x{426}\x{427}\x{428}\x{429}\x{42a}\x{42b}\x{42c}\x{42d}\x{42e}\x{42f}
    \x{451}\x{440}\x{441}\x{442}\x{443}\x{444}\x{445}\x{446}\x{447}\x{448}\x{449}\x{44a}\x{44b}\x{44c}\x{44d}\x{44e}\x{44f}
 0: \x{451}\x{440}\x{441}\x{442}\x{443}\x{444}\x{445}\x{446}\x{447}\x{448}\x{449}\x{44a}\x{44b}\x{44c}\x{44d}\x{44e}\x{44f}

/[ⱥ]/Bi,utf
------------------------------------------------------------------
        Bra
     /i \x{2c65}
        Ket
        End
------------------------------------------------------------------

/[^ⱥ]/Bi,utf
------------------------------------------------------------------
        Bra
     /i [^\x{2c65}]
        Ket
        End
------------------------------------------------------------------

/\h/I
Capture group count = 0
Starting code units: \x09 \x20 \xa0 
Subject length lower bound = 1

/\v/I
Capture group count = 0
Starting code units: \x0a \x0b \x0c \x0d \x85 
Subject length lower bound = 1

/\R/I
Capture group count = 0
Starting code units: \x0a \x0b \x0c \x0d \x85 
Subject length lower bound = 1

/[[:blank:]]/B,ucp
------------------------------------------------------------------
        Bra
        [\x09 \xa0]
        Ket
        End
------------------------------------------------------------------

/\x{212a}+/Ii,utf
Capture group count = 0
Options: caseless utf
Starting code units: K k \xe2 
Subject length lower bound = 1
    KKkk\x{212a}
 0: KKkk\x{212a}

/s+/Ii,utf
Capture group count = 0
Options: caseless utf
Starting code units: S s \xc5 
Subject length lower bound = 1
    SSss\x{17f}
 0: SSss\x{17f}

/\x{100}*A/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}*+
        A
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Starting code units: A \xc4 
Last code unit = 'A'
Subject length lower bound = 1
    A
 0: A

/\x{100}*\d(?R)/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}*+
        \d
        Recurse
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Starting code units: 0 1 2 3 4 5 6 7 8 9 \xc4 
Subject length lower bound = 1

/[Z\x{100}]/IB,utf
------------------------------------------------------------------
        Bra
        [Z\x{100}]
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Starting code units: Z \xc4 
Subject length lower bound = 1
    Z\x{100}
 0: Z
    \x{100}
 0: \x{100}
    \x{100}Z
 0: \x{100}

/[z-\x{100}]/IB,utf
------------------------------------------------------------------
        Bra
        [z-\xff\x{100}]
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Starting code units: z { | } ~ \x7f \xc2 \xc3 \xc4 
Subject length lower bound = 1

/[z\Qa-d]Ā\E]/IB,utf
------------------------------------------------------------------
        Bra
        [\-\]adz\x{100}]
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Starting code units: - ] a d z \xc4 
Subject length lower bound = 1
    \x{100}
 0: \x{100}
    Ā 
 0: \x{100}

/[ab\x{100}]abc(xyz(?1))/IB,utf
------------------------------------------------------------------
        Bra
        [ab\x{100}]
        abc
        CBra 1
        xyz
        Recurse
        Ket
        Ket
        End
------------------------------------------------------------------
Capture group count = 1
Options: utf
Starting code units: a b \xc4 
Last code unit = 'z'
Subject length lower bound = 7

/\x{100}*\s/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}*+
        \s
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Starting code units: \x09 \x0a \x0b \x0c \x0d \x20 \xc4 
Subject length lower bound = 1

/\x{100}*\d/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}*+
        \d
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Starting code units: 0 1 2 3 4 5 6 7 8 9 \xc4 
Subject length lower bound = 1

/\x{100}*\w/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}*+
        \w
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Starting code units: 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P 
  Q R S T U V W X Y Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z 
  \xc4 
Subject length lower bound = 1

/\x{100}*\D/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}*
        \D
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Starting code units: \x00 \x01 \x02 \x03 \x04 \x05 \x06 \x07 \x08 \x09 \x0a 
  \x0b \x0c \x0d \x0e \x0f \x10 \x11 \x12 \x13 \x14 \x15 \x16 \x17 \x18 \x19 
  \x1a \x1b \x1c \x1d \x1e \x1f \x20 ! " # $ % & ' ( ) * + , - . / : ; < = > 
  ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y 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 \xc0 \xc1 \xc2 
  \xc3 \xc4 \xc5 \xc6 \xc7 \xc8 \xc9 \xca \xcb \xcc \xcd \xce \xcf \xd0 \xd1 
  \xd2 \xd3 \xd4 \xd5 \xd6 \xd7 \xd8 \xd9 \xda \xdb \xdc \xdd \xde \xdf \xe0 
  \xe1 \xe2 \xe3 \xe4 \xe5 \xe6 \xe7 \xe8 \xe9 \xea \xeb \xec \xed \xee \xef 
  \xf0 \xf1 \xf2 \xf3 \xf4 \xf5 \xf6 \xf7 \xf8 \xf9 \xfa \xfb \xfc \xfd \xfe 
  \xff 
Subject length lower bound = 1

/\x{100}*\S/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}*
        \S
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Starting code units: \x00 \x01 \x02 \x03 \x04 \x05 \x06 \x07 \x08 \x0e \x0f 
  \x10 \x11 \x12 \x13 \x14 \x15 \x16 \x17 \x18 \x19 \x1a \x1b \x1c \x1d \x1e 
  \x1f ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ? @ A B C 
  D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ ` a b c d e f g h 
  i j k l m n o p q r s t u v w x y z { | } ~ \x7f \xc0 \xc1 \xc2 \xc3 \xc4 
  \xc5 \xc6 \xc7 \xc8 \xc9 \xca \xcb \xcc \xcd \xce \xcf \xd0 \xd1 \xd2 \xd3 
  \xd4 \xd5 \xd6 \xd7 \xd8 \xd9 \xda \xdb \xdc \xdd \xde \xdf \xe0 \xe1 \xe2 
  \xe3 \xe4 \xe5 \xe6 \xe7 \xe8 \xe9 \xea \xeb \xec \xed \xee \xef \xf0 \xf1 
  \xf2 \xf3 \xf4 \xf5 \xf6 \xf7 \xf8 \xf9 \xfa \xfb \xfc \xfd \xfe \xff 
Subject length lower bound = 1

/\x{100}*\W/IB,utf
------------------------------------------------------------------
        Bra
        \x{100}*
        \W
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Starting code units: \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 ! " # $ % & ' ( ) * + , - . / : ; < = > 
  ? @ [ \ ] ^ ` { | } ~ \x7f \xc0 \xc1 \xc2 \xc3 \xc4 \xc5 \xc6 \xc7 \xc8 \xc9 
  \xca \xcb \xcc \xcd \xce \xcf \xd0 \xd1 \xd2 \xd3 \xd4 \xd5 \xd6 \xd7 \xd8 
  \xd9 \xda \xdb \xdc \xdd \xde \xdf \xe0 \xe1 \xe2 \xe3 \xe4 \xe5 \xe6 \xe7 
  \xe8 \xe9 \xea \xeb \xec \xed \xee \xef \xf0 \xf1 \xf2 \xf3 \xf4 \xf5 \xf6 
  \xf7 \xf8 \xf9 \xfa \xfb \xfc \xfd \xfe \xff 
Subject length lower bound = 1

/[\x{105}-\x{109}]/IBi,utf
------------------------------------------------------------------
        Bra
        [\x{104}-\x{109}]
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: caseless utf
Starting code units: \xc4 
Subject length lower bound = 1
    \x{104}
 0: \x{104}
    \x{105}
 0: \x{105}
    \x{109}  
 0: \x{109}
\= Expect no match
    \x{100}
No match
    \x{10a} 
No match
    
/[z-\x{100}]/IBi,utf
------------------------------------------------------------------
        Bra
        [Zz-\xff\x{39c}\x{3bc}\x{212b}\x{1e9e}\x{212b}\x{178}\x{100}-\x{101}]
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: caseless utf
Starting code units: Z z { | } ~ \x7f \xc2 \xc3 \xc4 \xc5 \xce \xe1 \xe2 
Subject length lower bound = 1
    Z
 0: Z
    z
 0: z
    \x{39c}
 0: \x{39c}
    \x{178}
 0: \x{178}
    |
 0: |
    \x{80}
 0: \x{80}
    \x{ff}
 0: \x{ff}
    \x{100}
 0: \x{100}
    \x{101} 
 0: \x{101}
\= Expect no match
    \x{102}
No match
    Y
No match
    y           
No match

/[z-\x{100}]/IBi,utf
------------------------------------------------------------------
        Bra
        [Zz-\xff\x{39c}\x{3bc}\x{212b}\x{1e9e}\x{212b}\x{178}\x{100}-\x{101}]
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: caseless utf
Starting code units: Z z { | } ~ \x7f \xc2 \xc3 \xc4 \xc5 \xce \xe1 \xe2 
Subject length lower bound = 1

/\x{3a3}B/IBi,utf
------------------------------------------------------------------
        Bra
        clist 03a3 03c2 03c3
     /i B
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: caseless utf
Starting code units: \xce \xcf 
Last code unit = 'B' (caseless)
Subject length lower bound = 2

/abc/utf,replace=�
    abc
Failed: error -3: UTF-8 error: 1 byte missing at end

/(?<=(a)(?-1))x/I,utf
Capture group count = 1
Max lookbehind = 2
Options: utf
First code unit = 'x'
Subject length lower bound = 1
    a\x80zx\=offset=3
Failed: error -22: UTF-8 error: isolated byte with 0x80 bit set at offset 1

/[\W\p{Any}]/B
------------------------------------------------------------------
        Bra
        [\x00-/:-@[-^`{-\xff\p{Any}]
        Ket
        End
------------------------------------------------------------------
    abc
 0: a
    123 
 0: 1

/[\W\pL]/B
------------------------------------------------------------------
        Bra
        [\x00-/:-@[-^`{-\xff\p{L}]
        Ket
        End
------------------------------------------------------------------
    abc
 0: a
\= Expect no match
    123     
No match

/(*:*++++++++++++''''''''''''''''''''+''+++'+++x+++++++++++++++++++++++++++++++++++(++++++++++++++++++++:++++++%++:''''''''''''''''''''''''+++++++++++++++++++++++++++++++++++++++++++++++++++++-++++++++k+++++++''''+++'+++++++++++++++++++++++''''++++++++++++':ƿ)/utf
Failed: error 176 at offset 259: name is too long in (*MARK), (*PRUNE), (*SKIP), or (*THEN)

/[\s[:^ascii:]]/B,ucp
------------------------------------------------------------------
        Bra
        [\x80-\xff\p{Xsp}]
        Ket
        End
------------------------------------------------------------------

# A special extra option allows excaped surrogate code points in 8-bit mode,
# but subjects containing them must not be UTF-checked.

/\x{d800}/I,utf,allow_surrogate_escapes
Capture group count = 0
Options: utf
Extra options: allow_surrogate_escapes
First code unit = \xed
Last code unit = \x80
Subject length lower bound = 1
    \x{d800}\=no_utf_check
 0: \x{d800}

/\udfff\o{157401}/utf,alt_bsux,allow_surrogate_escapes
    \x{dfff}\x{df01}\=no_utf_check
 0: \x{dfff}\x{df01}
    
# This has different starting code units in 8-bit mode. 

/^[^ab]/IB,utf
------------------------------------------------------------------
        Bra
        ^
        [\x00-`c-\xff] (neg)
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Compile options: utf
Overall options: anchored utf
Starting code units: \x00 \x01 \x02 \x03 \x04 \x05 \x06 \x07 \x08 \x09 \x0a 
  \x0b \x0c \x0d \x0e \x0f \x10 \x11 \x12 \x13 \x14 \x15 \x16 \x17 \x18 \x19 
  \x1a \x1b \x1c \x1d \x1e \x1f \x20 ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 
  5 6 7 8 9 : ; < = > ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y 
  Z [ \ ] ^ _ ` c d e f g h i j k l m n o p q r s t u v w x y z { | } ~ \x7f 
  \xc2 \xc3 \xc4 \xc5 \xc6 \xc7 \xc8 \xc9 \xca \xcb \xcc \xcd \xce \xcf \xd0 
  \xd1 \xd2 \xd3 \xd4 \xd5 \xd6 \xd7 \xd8 \xd9 \xda \xdb \xdc \xdd \xde \xdf 
  \xe0 \xe1 \xe2 \xe3 \xe4 \xe5 \xe6 \xe7 \xe8 \xe9 \xea \xeb \xec \xed \xee 
  \xef \xf0 \xf1 \xf2 \xf3 \xf4 \xf5 \xf6 \xf7 \xf8 \xf9 \xfa \xfb \xfc \xfd 
  \xfe \xff 
Subject length lower bound = 1
    c
 0: c
    \x{ff}
 0: \x{ff}
    \x{100}
 0: \x{100}
\= Expect no match
    aaa
No match
    
# Offsets are different in 8-bit mode. 

/(?<=abc)(|def)/g,utf,replace=<$0>,substitute_callout
    123abcáyzabcdef789abcሴqr
 1(2) Old 6 6 "" New 6 8 "<>"
 2(2) Old 13 13 "" New 15 17 "<>"
 3(2) Old 13 16 "def" New 17 22 "<def>"
 4(2) Old 22 22 "" New 28 30 "<>"
 4: 123abc<>\x{e1}yzabc<><def>789abc<>\x{1234}qr
    
# Check name length with non-ASCII characters 

/(?'ABáC678901234567890123456789012'...)/utf

/(?'ABáC6789012345678901234567890123'...)/utf
Failed: error 148 at offset 36: subpattern name is too long (maximum 32 code units)

/(?'ABZC6789012345678901234567890123'...)/utf

/(?(n/utf
Failed: error 142 at offset 4: syntax error in subpattern name (missing terminator?)

/(?(á/utf
Failed: error 142 at offset 5: syntax error in subpattern name (missing terminator?)

# Invalid UTF-8 tests

/.../g,match_invalid_utf
    abcd\x80wxzy\x80pqrs
 0: abc
 0: wxz
 0: pqr
    abcd\x{80}wxzy\x80pqrs
 0: abc
 0: d\x{80}w
 0: xzy
 0: pqr

/abc/match_invalid_utf
    ab\x80ab\=ph
Partial match: ab
\= Expect no match
    ab\x80cdef\=ph
No match

/ab$/match_invalid_utf
    ab\x80cdeab
 0: ab
\= Expect no match
    ab\x80cde
No match

/.../g,match_invalid_utf
    abcd\x{80}wxzy\x80pqrs
 0: abc
 0: d\x{80}w
 0: xzy
 0: pqr

/(?<=x)../g,match_invalid_utf
    abcd\x{80}wxzy\x80pqrs
 0: zy
    abcd\x{80}wxzy\x80xpqrs
 0: zy
 0: pq
    
/X$/match_invalid_utf
\= Expect no match
    X\xc4
No match
    
/(?<=..)X/match_invalid_utf,aftertext
    AB\x80AQXYZ
 0: X
 0+ YZ
    AB\x80AQXYZ\=offset=5
 0: X
 0+ YZ
    AB\x80\x80AXYZXC\=offset=5
 0: X
 0+ C
\= Expect no match
    AB\x80XYZ
No match
    AB\x80XYZ\=offset=3 
No match
    AB\xfeXYZ
No match
    AB\xffXYZ\=offset=3 
No match
    AB\x80AXYZ
No match
    AB\x80AXYZ\=offset=4
No match
    AB\x80\x80AXYZ\=offset=5
No match

/.../match_invalid_utf
    AB\xc4CCC
 0: CCC
\= Expect no match
    A\x{d800}B
No match
    A\x{110000}B
No match
    A\xc4B  
No match

/\bX/match_invalid_utf
    A\x80X
 0: X

/\BX/match_invalid_utf
\= Expect no match
    A\x80X
No match
    
/(?<=...)X/match_invalid_utf
    AAA\x80BBBXYZ 
 0: X
\= Expect no match
    AAA\x80BXYZ 
No match
    AAA\x80BBXYZ 
No match

# -------------------------------------

/(*UTF)(?=\x{123})/I
Capture group count = 0
May match empty string
Compile options: <none>
Overall options: utf
First code unit = \xc4
Last code unit = \xa3
Subject length lower bound = 1

/[\x{c1}\x{e1}]X[\x{145}\x{146}]/I,utf
Capture group count = 0
Options: utf
Starting code units: \xc3 
Last code unit = 'X'
Subject length lower bound = 3

/[�,]/BI,utf
------------------------------------------------------------------
        Bra
        [,\x{fff9f}]
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: utf
Starting code units: , \xf3 
Subject length lower bound = 1

/[\x{fff4}-\x{ffff8}]/I,utf
Capture group count = 0
Options: utf
Starting code units: \xef \xf0 \xf1 \xf2 \xf3 
Subject length lower bound = 1

/[\x{fff4}-\x{afff8}\x{10ffff}]/I,utf
Capture group count = 0
Options: utf
Starting code units: \xef \xf0 \xf1 \xf2 \xf4 
Subject length lower bound = 1

/[\xff\x{ffff}]/I,utf
Capture group count = 0
Options: utf
Starting code units: \xc3 \xef 
Subject length lower bound = 1

/[\xff\x{ff}]/I,utf
Capture group count = 0
Options: utf
Starting code units: \xc3 
Subject length lower bound = 1
    abc\x{ff}def
 0: \x{ff}

/[\xff\x{ff}]/I
Capture group count = 0
First code unit = \xff
Subject length lower bound = 1
    abc\x{ff}def
 0: \xff

/[Ss]/I
Capture group count = 0
First code unit = 'S' (caseless)
Subject length lower bound = 1

/[Ss]/I,utf
Capture group count = 0
Options: utf
Starting code units: S s 
Subject length lower bound = 1

/(?:\x{ff}|\x{3000})/I,utf
Capture group count = 0
Options: utf
Starting code units: \xc3 \xe3 
Subject length lower bound = 1

/x/utf
    abxyz
 0: x
    \x80\=startchar
Failed: error -22: UTF-8 error: isolated byte with 0x80 bit set at offset 0
    abc\x80\=startchar
Failed: error -22: UTF-8 error: isolated byte with 0x80 bit set at offset 3
    abc\x80\=startchar,offset=3
Error -36 (bad UTF-8 offset)

/\x{c1}+\x{e1}/iIB,ucp
------------------------------------------------------------------
        Bra
     /i \x{c1}+
     /i \x{e1}
        Ket
        End
------------------------------------------------------------------
Capture group count = 0
Options: caseless ucp
First code unit = \xc1 (caseless)
Last code unit = \xe1 (caseless)
Subject length lower bound = 2
    \x{c1}\x{c1}\x{c1}
 0: \xc1\xc1\xc1
    \x{e1}\x{e1}\x{e1} 
 0: \xe1\xe1\xe1

/a|\x{c1}/iI,ucp
Capture group count = 0
Options: caseless ucp
Starting code units: A a \xc1 \xe1 
Subject length lower bound = 1
    \x{e1}xxx
 0: \xe1

/a|\x{c1}/iI,utf
Capture group count = 0
Options: caseless utf
Starting code units: A a \xc3 
Subject length lower bound = 1
    \x{e1}xxx
 0: \x{e1}

/\x{c1}|\x{e1}/iI,ucp
Capture group count = 0
Options: caseless ucp
First code unit = \xc1 (caseless)
Subject length lower bound = 1

/X(\x{e1})Y/ucp,replace=>\U$1<,substitute_extended
    X\x{e1}Y
 1: >\xc1<

/X(\x{e1})Y/i,ucp,replace=>\L$1<,substitute_extended
    X\x{c1}Y
 1: >\xe1<

# Without UTF or UCP characters > 127 have only one case in the default locale.

/X(\x{e1})Y/replace=>\U$1<,substitute_extended
    X\x{e1}Y
 1: >\xe1<

/A/utf,match_invalid_utf,caseless
    \xe5A
 0: A

/\bch\b/utf,match_invalid_utf
    qchq\=ph
Partial match: 
    qchq\=ps
Partial match: 

# End of testinput10