http://www.uon.edu/doe
ftp://www.test.test
http://www.test.test
#proto://host.xx.ab/abcd
http://example.com/%20foo
http://ftp.edpsciences.org/pub/aa/aa-package.zip
http://www.istri.fr/spip/zip/CMCDDE.zip
http://prst-per.aps.org/multimedia/PRSTPER/v4/i1/e010101/e010101_vid1a.mpg
http://prst-per.aps.org/multimedia/PRSTPER/v4/i1/e010101/e010101_vid1b.mpg
http://www.issn.org/en/node/344