This condition is used to match URI arguments aka query string of Http
request messages, for example, in URI http://exaple.com?foo=1&bar=2, the
“foo=1&bar=2” is the query string containing URI arguments. In an URI
scheme, query string is indicated by the first question mark (“?”)
character and terminated by a number sign (“#”) character or by the end of
The uri_arguments field can be specified as a regular expression(Set
match_type to REGEX). For example, “foo=(?