http://example.org/foo/bar;param?query#frag http: example.org example.org /foo/bar;param ?query #frag http://example.org http: example.org example.org / leading whitespace http://example.org/a b http: example.org example.org /a b path contains whitespace http://example.org/a%20b http: example.org example.org /a%20b path contains escaped whitespace http://example.org/a% http: example.org example.org /a% path contains single % http://example.org http: example.org example.org / trailing whitespace http://example.org/"%<>\^`{|} http: example.org example.org /"%<>\^`{|} non-path characters in path http://example.org/a-umlaut-ä http: example.org example.org /a-umlaut-ä non-ASCII character in path http://example.org/a-umlaut-%C3%A4 http: example.org example.org /a-umlaut-%C3%A4 percent-encoded non-ASCII character in path http://example.org/a-umlaut-%c3%a4 http: example.org example.org /a-umlaut-%c3%a4 percent-encoded non-ASCII character in path (is the case of percent encoded sequences preserved?) http://example.org/a#b#c http: example.org example.org /a #b#c multiple hash characters http://example.org/a#b c http: example.org example.org /a #b c white space in fragment http://a-umlaut-ä.org/ http: a-umlaut-ä.org a-umlaut-ä.org / non-ASCII character in host name http://[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]/ http: [FEDC:BA98:7654:3210:FEDC:BA98:7654:3210] [FEDC:BA98:7654:3210:FEDC:BA98:7654:3210] / IPv6 address http://a[b].example.org/ does not parse according to WEBADDRESSES data:,A%20brief%20note%25foo#bar data: /,A%20brief%20note%25foo #bar data URI with fragment ical://example.com/apple-made-this-up ical: example.com example.com /apple-made-this-up unregistered URI scheme, apparently hierarchical julian://example.com/julian-made-this-up julian: example.com example.com /julian-made-this-up unregistered URI scheme, apparently hierarchical opaquelocktoken:5fe6e7e0-1bb3-11df-9f3e-a5b17f9068f4 opaquelocktoken: /5fe6e7e0-1bb3-11df-9f3e-a5b17f9068f4 maybe not hierarchical? urn:ietf:rfc:3986 urn: /ietf:rfc:3986 maybe not hierarchical?