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@ 2013-08-01T21:57:45Z

<?php

if (!preg_match("/^[a-zA-Z0-9.-_]+\@[a-zA-Z0-9.-_]\+.[a-zA-Z0-9.-_]+$/",$email));
    die ("Not a valid email format!");

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preg_match: documentation ( source)

preferences:dark modelive preview

53.41 ms | 402 KiB | 5 Q