(cl-ppcre:register-groups-bind (NIL protocol domain path NIL query NIL fragment) ("^(([^:]+)://)?([^/]+)?(/[^\\?]+)(\\?([^#]*))?(\\#(.*))?$" "https://dl.dropboxusercontent.com/u/13406580/drawings/jeor_gautreau.png")
            (format T "protocol: ~a~%domain: ~a~%path: ~a~%query: ~a~%fragment: ~a~%" protocol domain path query fragment))
protocol: https
domain: dl.dropboxusercontent.com
path: /u/13406580/drawings/jeor_gautreau.png
query: NIL
fragment: NIL
NIL