--- /dev/null
+# This set of tests is for UTF-8 support and Unicode property support, with
+# relevance only for the 8-bit library.
+
+# The next 4 patterns have UTF-8 errors
+
+/[Ã]/utf
+Failed: error -8 at offset 1: UTF-8 error: byte 2 top bits not 0x80
+
+/Ã/utf
+Failed: error -3 at offset 0: UTF-8 error: 1 byte missing at end
+
+/ÃÃÃxxx/utf
+Failed: error -8 at offset 0: UTF-8 error: byte 2 top bits not 0x80
+
+/Ã\82\82\82\82\82\82\82\82Ã/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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Options: utf
+Starting code units: x \xc4
+Subject length lower bound = 1
+
+/\x{100}/IB,utf
+------------------------------------------------------------------
+ Bra
+ \x{100}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Subject length lower bound = 1
+
+/[\x{100}]/IB,utf
+------------------------------------------------------------------
+ Bra
+ \x{100}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Options: utf
+First code unit = \xc4
+Last code unit = 'z'
+Subject length lower bound = 7
+
+/\777/I,utf
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+Capturing subpattern 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
+Capturing subpattern 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
+Capturing subpattern 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
+Capturing subpattern 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
+Capturing subpattern 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
+Capturing subpattern 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
+Capturing subpattern 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
+Capturing subpattern 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
+Capturing subpattern count = 0
+Options: caseless utf
+Starting code units: \xe1
+Subject length lower bound = 1
+
+/\x{1234}+?/Ii,utf
+Capturing subpattern count = 0
+Options: caseless utf
+Starting code units: \xe1
+Subject length lower bound = 1
+
+/\x{1234}++/Ii,utf
+Capturing subpattern count = 0
+Options: caseless utf
+Starting code units: \xe1
+Subject length lower bound = 1
+
+/\x{1234}{2}/Ii,utf
+Capturing subpattern count = 0
+Options: caseless utf
+Starting code units: \xe1
+Subject length lower bound = 2
+
+/[^\x{c4}]/IB,utf
+------------------------------------------------------------------
+ Bra
+ [^\x{c4}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf
+Subject length lower bound = 1
+
+/X+\x{200}/IB,utf
+------------------------------------------------------------------
+ Bra
+ X++
+ \x{200}
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf
+First code unit = 'X'
+Last code unit = \x80
+Subject length lower bound = 2
+
+/\R/I,utf
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+Capturing subpattern 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
+Capturing subpattern count = 0
+Starting code units: \x09 \x20 \xa0
+Subject length lower bound = 1
+
+/\v/I
+Capturing subpattern count = 0
+Starting code units: \x0a \x0b \x0c \x0d \x85
+Subject length lower bound = 1
+
+/\R/I
+Capturing subpattern 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
+Capturing subpattern 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
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf
+Starting code units: Z \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
+ 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
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf
+Starting code units: 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
+
+/[z\Qa-d]Ā\E]/IB,utf
+------------------------------------------------------------------
+ Bra
+ [\-\]adz\x{100}]
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: utf
+Starting code units: - ] a d z \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}
+ 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
+------------------------------------------------------------------
+Capturing subpattern count = 1
+Options: utf
+Starting code units: a b \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 = 'z'
+Subject length lower bound = 7
+
+/\x{100}*\s/IB,utf
+------------------------------------------------------------------
+ Bra
+ \x{100}*+
+ \s
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: caseless utf
+Starting code units: \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{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
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: caseless utf
+Starting code units: Z 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
+ 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
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: caseless utf
+Starting code units: Z 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{3a3}B/IBi,utf
+------------------------------------------------------------------
+ Bra
+ clist 03a3 03c2 03c3
+ /i B
+ Ket
+ End
+------------------------------------------------------------------
+Capturing subpattern count = 0
+Options: caseless utf
+Starting code units: \xce \xcf
+Last code unit = 'B' (caseless)
+Subject length lower bound = 2
+
+/abc/utf,replace=Ã
+ abc
+Failed: error -3: UTF-8 error: 1 byte missing at end
+
+/(?<=(a)(?-1))x/I,utf
+Capturing subpattern 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
+Capturing subpattern 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
+------------------------------------------------------------------
+Capturing subpattern 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
+
+# End of testinput10