3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match('/^[^\@]+@.*\.[a-z]{2,6}$/i', 'johanimmm@gmail.com',$matches); echo $matches[1];
Output for 5.3.0 - 7.1.0
Notice: Undefined offset: 1 in /in/8jkX9 on line 3
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: 1 in /in/8jkX9 on line 3