{"default": "date", "pattern": "^((/(:(year|short_year|month|i_month|short_month|long_month|day|i_day|y_day|w_year|week|w_day|short_day|long_day|hour|minute|second|title|slug|categories|slugified_categories|output_ext))+)+|date|pretty|ordinal|weekdate|none)(/?)$", "type": "string", "examples": ["/:year", "/:short_year", "/:month", "/:i_month", "/:short_month", "/:day", "/:i_day", "/:y_day", "/:w_year", "/:week", "/:w_day", "/:short_day", "/:long_day", "/:hour", "/:minute", "/:second", "/:title", "/:slug", "/:categories", "/:slugified_categories", "date", "pretty", "ordinal", "weekdate", "none", "/:categories/:year/:month/:day/:title:output_ext", "/:categories/:year/:month/:day/:title/", "/:categories/:year/:y_day/:title:output_ext", "/:categories/:year/:week/:short_day/:title:output_ext", "/:categories/:title:output_ext"]}