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@ 2015-06-11T10:11:14Z

<?php

if (preg_match('/.*Version:\s([0-9\.]*).*/', "Version: a.3.1.23", $m)) {
    var_dump($m);
}

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

54.44 ms | 402 KiB | 5 Q