3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $s = " ala KOM1/9/2000 7/7/2015 1-7-2001 7.7.2001 "; //echo preg_replace("/(\d+)-(\d+)-(\d+)/", "$2/$3/$1", "2007-01-25"); echo preg_replace( "|(\d+/)(\d/20)|", "$10$2", $s); ?>
based on aWBTr
Output for 4.3.0 - 7.1.0
ala KOM9/2000 7/2015 1-7-2001 7.7.2001