“/”应用程序中的服务器错误。

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[ArgumentException: 正在分析“^(*)$”－ 限定符 {x,y} 前没有任何内容。]
   System.Text.RegularExpressions.RegexParser.ScanRegex() +2093
   System.Text.RegularExpressions.RegexParser.Parse(String re, RegexOptions op) +138
   System.Text.RegularExpressions.Regex..ctor(String pattern, RegexOptions options, TimeSpan matchTimeout, Boolean useCache) +437
   System.Text.RegularExpressions.Regex.IsMatch(String input, String pattern, RegexOptions options) +87
   System.Web.Routing.Route.ProcessConstraint(HttpContextBase httpContext, Object constraint, String parameterName, RouteValueDictionary values, RouteDirection routeDirection) +249
   System.Web.Routing.Route.ProcessConstraints(HttpContextBase httpContext, RouteValueDictionary values, RouteDirection routeDirection) +220
   System.Web.Routing.Route.GetRouteData(HttpContextBase httpContext) +213
   System.Web.Routing.RouteCollection.GetRouteData(HttpContextBase httpContext) +228
   System.Web.Routing.UrlRoutingModule.PostResolveRequestCache(HttpContextBase context) +70
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +139
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +88