3v4l.org

run code in 300+ PHP versions simultaneously
<?php $email = 'test@0309fdadfbafdbq4e.com'; var_dump( preg_match('/^test\@(.*)\.com$/', $email, $matches), $matches );
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(1) array(2) { [0]=> string(26) "test@0309fdadfbafdbq4e.com" [1]=> string(17) "0309fdadfbafdbq4e" }

preferences:
226.94 ms | 406 KiB | 340 Q