Online PHP editor | refs for FuPpk

<?php $re = '/(?<=\[prev)( title="[^"]+")( cont="[^"]+" res="[^"]+")/m'; $str = '[prev title="sample1" cont="sample1a" res="sample1b" mw="1"][prev title="sample2" cont="sample2a" res="sample2b" mw="2"][prev title="sample3" cont="sample3a" res="sample3b" mw="3"].'; $result = preg_replace($re, '$2$1', $str); echo $result;