$re = '/([0-9]{1,2}\/[0-9]{1,2}\/[0-9]{4} [0-9]{1,2}:[0-9]{1,2}:[0-9]{1,2})/';
$str = 'Storage Manager Command Line Administrative Interface - Version 7, Release 1, Level 1.4 (c) Copyright by Corporation and other(s) 1990, 2015. All Rights Reserved.
Session established with server TSERVER: Windows Server Version 7, Release 1, Level 5.200 Server date/time: 11/22/2016 15:30:00 Last access: 11/22/2016 15:25:00
ANS8000I Server command.';
preg_match($re, $str, $matches, PREG_OFFSET_CAPTURE, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php