3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $telefone = '(41) 4141-4141'; $pattern = '[0-9]+'; echo preg_match($pattern, $telefone);
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): Unknown modifier '+' in /in/9bUfl on line 6
Output for hhvm-3.10.0 - 3.12.0
Warning: Unknown modifier '+': [[0-9]+] in /in/9bUfl on line 6
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '+' in /in/9bUfl on line 6