something about regular expression

last update June.6.2001 @381

日本の都道府県郡市町村島

([^都道府県]+[都道府県])
(([^区]+区)|
 ([^市区郡島]+島[^郡町村]+[町村])|
 ((今市|八日市場|市川|市原|四日市|八日市|廿日市|[蕨旭柏燕関津堺呉萩光]|[^市]{2,})市([^区]+区)?)|
 ((郡上|[^郡]+)郡((大町|鹿町|[^町]+)町|[^村]+村)))