Unity3dAzure.AppServices.CustomQuery.EscapeURL C# (CSharp) Method

        private string EscapeURL(string query)
        {
            string q = WWW.EscapeURL (query);
            StringBuilder sb = new StringBuilder (q);
            sb.Replace ("+", "%20"); // NB: replace space with '%20' instead of '+'
            // keep query params: ?&=$
            sb.Replace ("%3f", "?");
            sb.Replace ("%26", "&");
            sb.Replace ("%3d", "=");
            sb.Replace ("%24", "$");
            return sb.ToString ();
        }