3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $email = 'johnsnow@ヒキワリ.ナットウ.com'; //$email = str_replace('@-', '@', str_replace('xn--', '', idn_to_ascii($email))); echo $email . "\n"; //if (filter_var($email, FILTER_VALIDATE_EMAIL)) { // echo 'valid'; //} else { // echo 'not valid'; //} $expression = '^[a-z0-9_-]+(?:[a-z0-9._%+-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+(?:[A-Z]{2}|com)$'; echo (mb_eregi($expression, $email) !== false) ? 'valid' : 'not valid';
Output for 4.3.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
johnsnow@ヒキワリ.ナットウ.com not valid
Output for 4.3.2 - 4.3.3
johnsnow@ヒキワリ.ナットウ.com Fatal error: Call to undefined function: mb_eregi() in /in/oSc5t on line 17
Process exited with code 255.
Output for 4.3.0 - 4.3.1
johnsnow@ヒキワリ.ナットウ.com Fatal error: Call to undefined function: mb_eregi() in /in/oSc5t on line 17