www to non-www with asp.net core 1.1

Startup.cs

        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
        {
            loggerFactory.AddConsole(Configuration.GetSection("Logging"));
            loggerFactory.AddDebug();

            app.UseRequestLocalization(new RequestLocalizationOptions() { DefaultRequestCulture = new RequestCulture("ru-ru") });

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                app.UseBrowserLink();
            }
            else
            {
                // URL Rewriting
                var options = new RewriteOptions()
                    //.AddRedirect(@"^(https?:\/\/)(www\.)(.*)$", "$1$3");
                    .AddRedirect("^(www\\.)(.*)$", "$2");
                app.UseRewriter(options);

                app.UseExceptionHandler("/Home/Error");
            }

            app.UseStaticFiles();

            app.UseMvc(routes =>
            {
                routes.MapRoute(
                       name: "default",
                       template: "{action=Index}/{id?}",
                       defaults: new { controller = "Home" }
                       );
            });
        }
    }