$re = '/(([\w\s\d]+\s)(is the|is a|are the|are a|was)\s([\w\d\s\[\]\)\(,\']+))/';
$str = 'Hendrik Weber (born 1975), better known as Pantha du Prince, Panthel and Glühen 4 is a German producer, composer and conceptual artist for Electro, Techno, House, Minimal and Noise affiliated with Hamburg\'s Dial music label[1][2] and British label Rough Trade.[3]';
preg_match_all($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