$re = '/(\d*)((\/)\d*)? ([^ ]*) (Alley|Approach|Arcade|Avenue|Boardwalk|Boulevard|Break|Bypass|Chase|Circuit|Close|Concourse|Court|Crescent|Crest|Drive|Entrance|Esplanade|Firetrail|Freeway|Glade|Grange|Grove|Highway|Lane|Loop|Mall|Mews|Parade|Parkway|Passage|Path|Place|Plaza|Promenade|Quays|Ramp|Retreat|Ridge|Rise|Road|Square|Steps|Street|Subway|Terrace|Track|Trail|View|Vista|Walk|Way|Wharf)/m';
$str = '1/7 Kieller Avenue';
preg_match_all($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