MVC指定ビューHTMLコード構造の読み出し

 public static class ControllerExtensions

    {

        private static readonly Regex m_regex = new Regex(@"(?<=[^])\t{2,}|(?<=[>])\s{2,}(?=[<])|(?<=[>])\s{2,11}(?=[<])|(?=[
])\s{2,}");



        public static string RenderView(this Controller controller, string viewName, object model, string master = null)

        {

            var vd = new ViewDataDictionary();

            foreach (var item in controller.ViewData.Keys)

            {

                vd.Add(item, controller.ViewData[item]);

            }

            vd.Model = model;

            using (StringWriter sw = new StringWriter())

            {

                ViewEngineResult viewResult = ViewEngines.Engines.FindView(controller.ControllerContext, viewName, master);

                ViewContext viewContext = new ViewContext(controller.ControllerContext, viewResult.View, vd, controller.TempData, sw);

                viewResult.View.Render(viewContext, sw);



                return m_regex.Replace(sw.GetStringBuilder().ToString(), string.Empty);

            }

        }

    }