Will match the following cases https://stackoverflow.com/a/17773849/ http://www.foufos.gr https://www.foufos.gr http://foufos.gr http://www.foufos.gr/kino http://werer.gr www.foufos.gr www.mp3.com www.t.co http://t.co http://www.t.co https://www.t.co www.aa.com http://aa.com http://www.aa.com https://www.aa.com Will NOT match the following www.foufos www.foufos-.gr www.-foufos.gr foufos.gr http://www.foufos http://foufos www.mp3#.com