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@ 2013-09-03T08:11:49Z

<?php
$age = '02.3';
var_dump(preg_match('/[\d][\d]+.', $age));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

39.31 ms | 402 KiB | 5 Q