(@ web-addr:xx query-string .request +-
    _str[
            http://
                { domain : *.* }
            /
                { path : * }
            /page.cgi
                { parameters : * }
        ]
        (% 
            query-string .%
        )
        (@ x +-
             (x .request)
        )
+
    {string} query-string 
    {web-rq} request
)