Hey i can halp you with php regex for your simple sub domain . I can prove you that
Some examples . I worked with :
preg_match_all('/<p class=\"listing-name\"> < *a[^>]*href *= *["\']?([^"\']*)/i', trim($f),$path);
$f2=str_replace('<h2 class="pro-subheader"> <span style="vertical-align: -1px;">','',$f2);
preg_match_all('/<h1 class=\"profile-name\">(.*)<\/h1>/s', trim($f2),$matches);
I gave you some examples that I have worked with. Contact me and I will prove that I can help you. 10x