$re = '/^(.*?)\W+(\d{4})(?=[\W ]+?(\d{3,4})p)/m';
$str = 'Jumanji.1995-720p.YIFY.mp4
Silver.Linings.Playbook.2012.1080p.x264.YIFY.mp4
American Hustle (2013) 1080p BrRip x264 - YIFY.mp4';
preg_match_all($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