3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $code = "CFnoso2015DENS"; $regex = "^(CFnoso2015)[A-Z]{2}(NS)$"; echo preg_match($regex, $code) === 1;
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): No ending delimiter '^' found in /in/ENj88 on line 4
Output for hhvm-3.10.0 - 3.12.0
Warning: No ending delimiter '^' found: [^(CFnoso2015)[A-Z]{2}(NS)$] in /in/ENj88 on line 4
Output for 4.3.0 - 4.3.10
Warning: No ending delimiter '^' found in /in/ENj88 on line 4