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run code in 150+ php & hhvm versions
Bugs & Features
<?php $file = '0004f21edd14-boot.cfg'; echo preg_match('^0004f2([a-fA-F0-9]{6})-(?:boot\.cfg|app\.log|now-boot\.log)$', $file, $d); print_r($d);
Output for 5.2.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): No ending delimiter '^' found in /in/5PfYB on line 3
Output for hhvm-3.10.0 - 3.12.0
Warning: No ending delimiter '^' found: [^0004f2([a-fA-F0-9]{6})-(?:boot\.cfg|app\.log|now-boot\.log)$] in /in/5PfYB on line 3
Output for 4.3.11 - 5.1.6
Warning: preg_match(): No ending delimiter '^' found in /in/5PfYB on line 3 Array ( )
Output for 4.3.0 - 4.3.10
Warning: No ending delimiter '^' found in /in/5PfYB on line 3 Array ( )