3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $email = 'a@gd.cd'; if (!preg_match('/^[^@]{2,64}@[^@]{5,255}$/', $email)) { echo 'false'; } else { echo 'true'; }
Output for 4.3.0 - 7.1.0
false