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@ 2014-07-20T09:48:51Z

<?php

$folder = 'PhpStorm-138.940';

var_dump(preg_match('/138.940/', $folder));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

36.64 ms | 402 KiB | 5 Q