preg_match("<a class='link_dl' href='http://c03.denemesite.com/dl/(.*?)' style='a:visited { color = black }'>", $data, $name);
yada

preg_match("<a class='link_dl' href='http://c03.denemesite.com/dl/(.*?)/(.*?)/(.*?)' style='a:visited { color = black }'>", $data, $name);
Sanırım böyle olur