On 13 August 2010 08:47, win.a <win.acc@xxxxxxxxx> wrote:
> Its was picked from drupal source code and i don't know how does it works.
> This is the code :
> preg_match('/^\[?(?:[a-z0-9-:\]_]+\.?)+$/', $host);
This has got nothing to do with php or php-db - your question is on
regular expressions. Try consulting
http://www.regular-expressions.info/ or get a good book on the topic
like Mastering Regular Expresssions by Jeffrey Friedl.
Regards
Peter
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