3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $s = '$name = "foo"; My name is'; $r = preg_replace('/(?<!\$)name/', 'VARIABLE', $s); var_dump($r);
based on 5dUeA
Output for 4.3.0 - 7.1.0
string(29) "$name = "foo"; My VARIABLE is"