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<?php $DATETIME_PATTERN = "^\\d\\d?.\\d\\d?.\\d{4} \\d\\d?:\\d\\d?:?\\d?\\d?$"; epreg_match_all($DATETIME_PATTERN,'10.10.2017 11:11',$m); print_r($m);
Output for 7.1.6
Fatal error: Uncaught Error: Call to undefined function epreg_match_all() in /in/j1JFr:4 Stack trace: #0 {main} thrown in /in/j1JFr on line 4
Process exited with code 255.