Fixing regular expression; - should be escaped

Author: StanleyGoldman

src/GitHub.App/ViewModels/GitHubPane/GitHubPaneViewModel.cs

@@ -513,8 +513,8 @@ static async Task<bool> IsValidRepository(ISimpleApiClient client)
 
         static Regex CreateRoute(string route)
         {
-            // Build RegEx from route (:foo to named group (?<foo>[\w_.-]+)).
-            var routeFormat = "^" + new Regex("(:([a-z]+))\\b").Replace(route, @"(?<$2>[\w_.-]+)") + "$";
+            // Build RegEx from route (:foo to named group (?<foo>[\w_.-=]+)).
+            var routeFormat = "^" + new Regex("(:([a-z]+))\\b").Replace(route, @"(?<$2>[\w_.\-=]+)") + "$";
             return new Regex(routeFormat, RegexOptions.ExplicitCapture | RegexOptions.IgnoreCase);
         }
     }