$re = '/.*?-.*?-.*?-\s+(.*)/';
$str = '005 - 0000 - 2310 - Storage - Summer
007 - 0000 - 1610 - Legal - Criminal Law
007 - 0000 - 8921 - Legal - Civil - Zoning
002 - 0000 - 2410 - Planning
123 - 0000 - 2510 - Finance/Corporate
008 - 0000 - 2520 - Legal - Technical Patents
321 - 0000 - 2610 - Clients & Storage';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($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