3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo preg_replace('/[^\(\)\+ -\d]/', '', 'BL123E+F');
Output for 5.4.41 - 7.2.0
Warning: preg_replace(): Compilation failed: invalid range in character class at offset 11 in /in/iv05s on line 1
Output for 4.3.0 - 5.4.40
123+