Split a string which starts with lowercase then uses camel case from first capital letter.

gistfile1.aw

<?php
/*
/ Created while using the Last.FM API.
/ The Last.FM API is split into sections. Artists, Album, Track etc.
/ The method names are for example "artists.getTopTracks". If I'm using magic method __call
/ and calling artistsGetTopTracks, I can then split the call down into the section and method with the following regex
/ which can then be used to construct API call URL
*/

preg_match_all('/^[a-z]*|[A-Z]\w*/', $candidate, $results);