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run code in 150+ php & hhvm versions
Bugs & Features
<?php // Everything you enter here will be executed by our servers. Try it! if (preg_match("[0-9]{4}-[0-9]{2}-[0-9]{2}", "2013-12-05")) { echo 'true'; }
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): Unknown modifier '{' in /in/qHif2 on line 4
Output for hhvm-3.10.0 - 3.12.0
Warning: Unknown modifier '{': [[0-9]{4}-[0-9]{2}-[0-9]{2}] in /in/qHif2 on line 4
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '{' in /in/qHif2 on line 4