expression between vertical bars
| From: | Jan | Date: | Fri, 06 May 2005 19:25:22 +0000 |
| Subject: | expression between vertical bars | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-214663@lists.php.net to get a copy of this message | ||
Hello,
Could someone explain to me the use of the vertical bar in expressions like "|<[^>]+>(.*)</[^>]+>|U". I understand that the vertical bars are used to separate the expression from the modifier, but can't find any documentation about the reasons and rules to do this.
Thanks, Jan