$re = '/:NEW.*Request ID: (?\'num_externe\'.+?)\s*External Property ID:\s(?\'ins_libl\'.+?)\s*Type:\s(?\'tsy_lib\'.+?)\s*Subtype:\s(?\'qsy_lib\'.+?)\s*Statement of Work Full:\s(?\'commentaire_externe\'.+?)\s*Requested By:\s(?\'apt_nom\'.+?)\s*Location: (?\'apt_localisation\'.+?)\s*End Of Message/m';
$str = '';
preg_match_all($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