testinput8

PHP v6.0 For Linux 运行环境：Win9X/ WinME/ WinNT/ Win2K/ WinXP

/-- Do not use the \x{} construct except with patterns that have the --/
/-- /8 option set, because PCRE doesn't recognize them as UTF-8 unless --/
/-- that option is set. However, the latest Perls recognize them always. --/

/\x{100}ab/8
  \x{100}ab
  
/a\x{100}*b/8
    ab
    a\x{100}b  
    a\x{100}\x{100}b  
    
/a\x{100}+b/8
    a\x{100}b  
    a\x{100}\x{100}b  
    *** Failers 
    ab
     
/\bX/8
    Xoanon
    +Xoanon
    \x{300}Xoanon 
    *** Failers 
    YXoanon  
    
/\BX/8
    YXoanon
    *** Failers
    Xoanon
    +Xoanon    
    \x{300}Xoanon 

/X\b/8
    X+oanon
    ZX\x{300}oanon 
    FAX 
    *** Failers 
    Xoanon  
    
/X\B/8
    Xoanon  
    *** Failers
    X+oanon
    ZX\x{300}oanon 
    FAX 
    
/[^a]/8
    abcd
    a\x{100}   

/^[abc\x{123}\x{400}-\x{402}]{2,3}\d/8
    ab99
    \x{123}\x{123}45
    \x{400}\x{401}\x{402}6  
    *** Failers
    d99
    \x{123}\x{122}4   
    \x{400}\x{403}6  
    \x{400}\x{401}\x{402}\x{402}6  

/abc/8
    胅