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@ 2017-07-13T01:37:05Z

<?php

$re = '(^(?!@$|/|.*([/.]\.|//|@\{|\\))[^\000-\037\177 ~^:?*[]+/[^\000-\037\177 ~^:?*[]+(?<!\.lock|[/.])$)';

var_dump(preg_match($re, ''));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

37.26 ms | 402 KiB | 5 Q