Examples:
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.ginza_line => (?-mix:TokyoMetro\.Ginza)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.marunouchi_line => (?-mix:TokyoMetro\.Marunouchi)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.marunouchi_branch_line => (?-mix:TokyoMetro\.MarunouchiBranch)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.hibiya_line => (?-mix:TokyoMetro\.Hibiya)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.tozai_line => (?-mix:TokyoMetro\.Tozai)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.chiyoda_line => (?-mix:TokyoMetro\.Chiyoda)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.chiyoda_branch_line => (?-mix:TokyoMetro\.ChiyodaBranch)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.yurakucho_line => (?-mix:TokyoMetro\.Yurakucho)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.hanzomon_line => (?-mix:TokyoMetro\.Hanzomon)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.namboku_line => (?-mix:TokyoMetro\.Namboku)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.fukutoshin_line => (?-mix:TokyoMetro\.Fukutoshin)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.marunouchi_line_including_branch => (?-mix:TokyoMetro\.Marunouchi(?:Branch)?\.)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.tobu_main_line => (?-mix:Tobu\.(?:SkyTree|Isesaki|SkyTreeOshiage|Nikko))
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.tokyu_den_en_toshi_line => (?-mix:Tokyu\.DenEnToshi)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.toyo_rapid_line => (?-mix:ToyoRapidRailway\.ToyoRapid)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.odakyu_line => (?-mix:Odakyu\.(?:Odawara|Tama|Enoshima))
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.odakyu_tama_line => (?-mix:Odakyu\.Tama)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.hakone_tozan_line => (?-mix:HakoneTozan\.Rail)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.jr_joban_line => (?-mix:JR\-East\.Joban)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.toei_mita_line => (?-mix:Toei\.Mita)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.tokyu_meguro_line => (?-mix:Tokyu\.Meguro)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.saitama_railway_line => (?-mix:SaitamaRailway\.SaitamaRailway)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.seibu_ikebukuro_line => (?-mix:Seibu\.Ikebukuro)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.seibu_line => (?-mix:Seibu\.(?:Ikebukuro|Sayama|Chichibu))
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.tobu_tojo_line => (?-mix:Tobu\.Tojo)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.tokyu_toyoko_line => (?-mix:Tokyu\.Toyoko)
TokyoMetro::Modules::Common::Dictionary::RailwayLine::RegexpInfo.minatomirai_line => (?-mix:YokohamaMinatomiraiRailway\.Minatomirai)