May 2007
![](http://blogmarks.net/screenshots/2007/05/02/4aeebda8f308455b3d1b1cf6862afea3.png)
PHP Look Behinds RegExp examples
Once again, the name says it all, a lookbehind looks behind to see if it can match a pattern. And like the lookaheads there are positive lookbehinds and negative lookbehinds.
February 2006
1
(2 marks)