3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match('#^[a-z\\d\\-.а-я]+\\.[a-zа-я]+$#u', 'стикер163.рф'));
Output for 4.3.3 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(1)
Output for 4.3.0 - 4.3.2
int(0)