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@ 2013-12-11T16:39:53Z

<?php
$subject = "ASDASDAS";
$pattern = '/[^a-zA-Z0-9]/gi';
$replace = '';
 
var_dump(preg_replace($pattern, $replace, $subject));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_replace: documentation ( source)

preferences:dark modelive preview

44.13 ms | 402 KiB | 5 Q