WIRE REGULATOR

A task is to provide a wire regulator that can prevent a wire and a guide rail from rusting and prevent an operation failure of the wire regulator. A first rain water guide part that prevents rain water from entering an ascending wire end housing part a descending wire end housing part and a gutter part is provided at a part above a lower end of the ascending wire end housing part of a slider and the first rain water guide part includes first eaves and second eaves that overlap the first eaves on a lower side of the first eaves and in a drop direction R of the rain water.