--- URI.split(url)

    URI ʲǤʬ䤷֤ޤ

      * scheme
      * userinfo
      * host
      * port
      * registry
      * path
      * opaque
      * query
      * fragment

    :
        require 'uri'
        p URI.split("http://www.ruby-lang.org/")
        # => ["http", nil, "www.ruby-lang.org", nil, nil, "/", nil, nil, nil]

