3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $regex = '-(\d+)-(\w+)@(mailing.)?kingsquare.nl$'; echo (preg_match('/' . $regex . '/i', 'mirolscom-17999782-9342797@mailing.kingsquare.nl'));
Output for 4.3.0 - 7.1.0
1