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run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match('^.*(\d+).*$', 'Осталось всего 2', $roomsLeftMatches); $left = isset($roomsLeftMatches[1]) ? $roomsLeftMatches[1] : null; var_dump($left);
based on SVPsk
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): No ending delimiter '^' found in /in/oWbdS on line 3 NULL
Output for hhvm-3.10.0 - 3.12.0
Warning: No ending delimiter '^' found: [^.*(\d+).*$] in /in/oWbdS on line 3 NULL
Output for 4.3.0 - 4.3.10
Warning: No ending delimiter '^' found in /in/oWbdS on line 3 NULL