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@ 2013-12-19T16:15:54Z

<?php

var_dump(preg_match('/^(?=[A-Z])(?=[0-9]).*/u', 'az0Azertyaaaaaa'));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_match: documentation ( source)

preferences:dark modelive preview

40.79 ms | 402 KiB | 5 Q