3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $q ="myzig@sermon.net +="; var_dump(preg_replace("/[^\w\d ]/ui", '\$1', $q));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
string(23) "myzig$1sermon$1net $1$1"