asp.net mvc3，需要幫助才能得到這個路由約束工作

Question

只要主題全部小寫，是否有辦法忽略大小寫？

 routes.MapRouteLowercase(
      "TopicList", // Route name 
      "{topic}s/{page}", // URL with parameters 
      new { controller = "Review", action = "Index", id = UrlParameter.Optional, Topic = "AllTopic" }, 
      new { topic = @"(app|book|toy|website|article||alltopic)" } 
     ); 

Answer 1

試試這個：

new { topic = @"(?i)(app|book|toy|website|article||alltopic)" }