3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if ( !preg_match( '/^[a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]+$/', '""<script>alert(\'haxxor\')</script>"@domain.com' ) ) { echo "This email address is considered valid."; }else { echo "fail"; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
This email address is considered valid.