http://google.com#foobar
http://google.com#foobar.
http://google.com#foobar
Google.
http://google.com.
(http://google.com#foobar)
<http://google.com>
http://en.wikipedia.org/wiki/Google_(disambiguation)
www.google.com
text1@example.com
text2@example.com.
<text3@example.com>
<text4@example.com>.
google.com
google.com.javapackagedescriptor
google-com