3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $regex = '/.*('.date('y').'|'.(date('y') + 1).')@fms.edu$/'; echo $regex; var_dump(preg_match($regex, 'ashwin@fms.edu'));
Output for 4.3.0 - 7.1.0
/.*(13|14)@fms.edu$/int(0)