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@ 2017-07-03T14:37:27Z

<?php

$str = '                                 /* Reg */ Ex     ';

var_dump(preg_replace('/^[\s]+/', '', $str));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_replace: documentation ( source)

preferences:dark modelive preview

40 ms | 402 KiB | 5 Q