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@ 2013-12-11T16:38:25Z

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

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_filter: documentation ( source)

preferences:dark modelive preview

48.88 ms | 402 KiB | 5 Q