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file://localhost/path
git://example.com/
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http://#
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http://foo.bar?q=Spaces should be encoded
//
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///a
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foo.com
rdar://1234
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http://foo.bar/foo(bar)baz quux
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http://-a.b.co
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http://3628126748
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http://[::1:2::3]:8080/
http://[]
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http://example..com/
http://aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.example.com
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