ASP.NET MVC通配符控制器任何参数路由

我想要控制器/操作，这样当我导航到：时

mysite.com/whatever. i type here will pipe into...a ! string.
public ActionResult Index(string anything)
{
    // anything = whatever. i type here will pipe into...a ! string.
    return View();
}

我需要设置自定义路线吗？

我试过这个，但它似乎不适合经期等。

        routes.MapRoute(
            name: "Default",
            url: "{*anything}",
            defaults: new { controller = "Home", action = "Index" }
        );

routes.MapRoute(
    "Default",
    "{*anything}",
    new { controller = "Home", action = "Index" },
    new { anything = @"^(.*)?$" }
);