,
.
+-+
foo123
a#b
:
,:
.:
+-+:
foo123:
x/y
x/y:z
http://www.anonymizer.com:8080/http://www.foobar.com/cgi-bin/query?q=a+b&s=1#frag
http:foo.org/
http:/foo.org/
htTP://foo.org
http://foo.org/
ftp:foo.org/
ftp:/foo.org/
ftp://foo.org
ftp://foo.org/
ftp://user:password@foo.org:8021/path/;type=a
ftp://user@foo.org:8021/path/;TYPE=I
%68%74%74%70://foo.bar
%61%62%00%fF
%61%62%00%fg
abc%23nofrag
%
%6
%61
ftp://foo.bar/%a
whatever:foo/bar
http://127.0.0.1/
http://foo%2ebar/path/
ftp://%61%62%63:%61%62@foo.org/abc
http://host:/
ftp://1.2.3.4;type=d
ftp://1.2.3.4;type=x
gopher://host
gopher://host/
gopher://host/0unchecked
gopher://host/zunchecked
file://host/abc
file://host:80/abc
file://host:80/abc;
mailto:
mailto:foo@bar
mailto:foo@bar%25relay
mailto:foo%
news:
news:foobar
news:foobar%
nntp:
nntp://server:8119/foobar
nntp://server/foobar%
telnet:
telnet://user:pass@server:8023/
telnet://127.0.0.1
wais:
wais://server
wais://server/foobar
wais://server:8210/foobar
wais://server/foobar%
prospero:
prospero://server
prospero://server/foobar;x=y
prospero://server:9525/foobar;x=y
prospero://server/foobar%
http://server/path/http://foobar/
http://server/path/ftp://foobar/
http://server/path/xyzzy://foobar/
http://server/path/blajavascript://foobar/
http://server/path/javascript://foobar/
http://server/path/http://foobar/http:
http://server/path/http://foobar/xyzzy:
http://server/path/http://foobar/javascript:
javascript:abc
http://foobar:0/
http://foobar:65535/
http://foobar:65536/
cache_object://host/info@password
https://dom.ain/path