3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match('/\A\w\z', 'あ'));
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): No ending delimiter '/' found in /in/toP5j on line 2 bool(false)
Output for hhvm-3.10.0 - 3.12.0
Warning: No ending delimiter '/' found: [/\A\w\z] in /in/toP5j on line 2 bool(false)
Output for 4.3.0 - 4.3.10
Warning: No ending delimiter '/' found in /in/toP5j on line 2 bool(false)