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@ 2015-04-22T08:08:47Z

<?php
var_dump(filter_var('123a.56', FILTER_VALIDATE_REGEXP,array("options"=>array("regexp"=>"/^([1-9][0-9]*|0)(\.[0-9]{2})?$/"))));
var_dump(filter_var('abc34', FILTER_VALIDATE_REGEXP,array("options"=>array("regexp"=>"/\d+(?:\.\d{1,2})?/"))));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
filter_var: documentation ( source)

preferences:dark modelive preview

31.81 ms | 402 KiB | 5 Q