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<?php preg_match('/[0-9]+/', '872634782346827', $matches); print_r($matches); //var_dump(preg_replace('/[0-9]/', '', '872634782346827'));
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 872634782346827 )
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/XAUq8 on line 4
Process exited with code 255.