$re = '/((^MLB|^NHL|^NFL)\..*?\.(at|vs|Vs|VS).*?(720p|1080p).*?(LEViTATE|ACES|720pier|SENDiT))/m';
$str = 'NFL.2021.01.03.Raiders.at.Broncos.1080p.HDTV.AAC2.0.H264-720pier
NHL.2020.03.11.New.York.Rangers.vs.Colorado.Avalanche.720p.WEB.H264-SENDiT
MLB.2019.08.19.Colorado.Rockies.Vs.Arizona.Diamondbacks.720p.WEB.H264-ACES
';
preg_match_all($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