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@ 2012-11-15T18:53:03Z

<?php
var_dump(preg_match('/^100327894\d{8}$/', '10032789431854171'));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

65.85 ms | 402 KiB | 5 Q