3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match("^plan_package_([\d]+)$", "plan_package_12", $match)); var_dump($match);
Output for 5.2.0 - 7.2.0
Warning: preg_match(): No ending delimiter '^' found in /in/7h159 on line 3 bool(false) NULL
Output for 4.3.11 - 5.1.6
Warning: preg_match(): No ending delimiter '^' found in /in/7h159 on line 3 bool(false) array(0) { }
Output for 4.3.0 - 4.3.10
Warning: No ending delimiter '^' found in /in/7h159 on line 3 bool(false) array(0) { }