Your Regex Brain

Mon Mar 26 20:02:19 EDT 2012

On 2012年3月24日 16:30:28 -0700 (PDT), Xah Lee <xahlee at gmail.com> wrote:
>?Your Regex Brain?
>http://xahlee.org/comp/your_regex_brain.html
>
That's more like a brain cell.
This is more like a regex brain.
'
<img 
 (?=\s) 
 (?= (?:[^>"\']|"[^"]*"|\'[^\']*\')*? (?<=\s) width \s*=
 (?: (?> \s* ([\'"]) \s* (?<WIDTH>.*?) \s* \g{-2} )
 | (?> (?!\s*[\'"]) \s* (?<WIDTH>[^\s>]*) (?=\s|>) ) 
 )
 )
 (?= (?:[^>"\']|"[^"]*"|\'[^\']*\')*? (?<=\s) src \s*=
 (?: (?> \s* ([\'"]) \s* (?<SRC>.*?) \s* \g{-2} )
 | (?> (?!\s*[\'"]) \s* (?<SRC>[^\s>]*) (?=\s|>) ) 
 )
 )
 (?= (?:[^>"\']|"[^"]*"|\'[^\']*\')*? (?<=\s) height \s*=
 (?: (?> \s* ([\'"]) \s* (?<HEIGHT>.*?) \s* \g{-2} )
 | (?> (?!\s*[\'"]) \s* (?<HEIGHT>[^\s>]*) (?=\s|>) ) 
 )
 )
 (?= (?:[^>"\']|"[^"]*"|\'[^\']*\')*? (?<=\s) alt \s*=
 (?: (?> \s* ([\'"]) \s* (?<ALT>.*?) \s* \g{-2} )
 | (?> (?!\s*[\'"]) \s* (?<ALT>[^\s>]*) (?=\s|>) ) 
 )
 )
 (?> \s+ (?:".*?"|\'.*?\'|[^>]*?)+ > ) (?<!/>)
'
-sln