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@ 2013-08-04T01:18:11Z

<?php

$contents=chr(2).chr(2).chr(2)."122222234567890vwxyz".chr(3).chr(3).chr(3); 
var_dump(preg_match_all('/([\x00-\x09])\1{2,}/', $contents,$res)); 
var_dump($res); 
die();

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_match_all: documentation ( source)

preferences:dark modelive preview

34.46 ms | 402 KiB | 5 Q