sounreadable.rb

url = %r{
  ^
  ([A-Za-z]*)         # scheme (e.g. http)
  :                   
  //?                 # mailto: and news: URLs do not require forward slashes
  ([0-9.\-A-Za-z@]*)  # domain (e.g., www.regexml.org)

  (?:                 # port number
    :
    (\d{0,5})
  )?

  (                   # resource (e.g., /sample/resource)
    /[^?#]*
  )?

  (?:                 # query string
    \?([^#]*)
  )?

  (?:
    \#(.*)            # anchor tag
  )?
  $
}x

p url.match("scheme://domain.com:8808/sample/resource?query=string#anchor").to_a