how does this regular expression works
| From: | who.cat | Date: | Wed, 13 Jul 2011 12:42:43 +0000 |
| Subject: | how does this regular expression works | ||
| Groups: | php.db | ||
| Request: | Send a blank email to php-db+get-47920@lists.php.net to get a copy of this message | ||
Reading some code from the web spider,got the such a expression :
preg_match("@<head[^>]*>(.*?)<\/head>@si",$file, $regs);
It's about get the head content of a website,i wanna know the match detail
.Could someone give some tips ,
thanks in advance .
All you best
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