public class FormExtensionValueProviderFactory : ValueProviderFactory

    {

        public override IValueProvider GetValueProvider(ControllerContext controllerContext)

        {

            NameValueCollection requestData = new NameValueCollection();

            var headers = controllerContext.RequestContext.HttpContext.Request.Headers;

            foreach (string key in headers.Keys)

            {

                requestData.Add(key.Replace("-", ""), headers[key]);

            }

            var forms = controllerContext.RequestContext.HttpContext.Request.Form;

            foreach (string key in forms.Keys)

            {

                if (!string.IsNullOrEmpty(key))

                {

                    requestData.Add(ReplaceText(key), forms[key]);

                }

            }

            return new NameValueCollectionValueProvider(requestData, CultureInfo.InvariantCulture);

        }

        public string ReplaceText(string CommandText)

        {

            Regex reg = new Regex(@"(?<part1>(\S*)\[)(?<part2>(\d*)\])(?<part3>(\[\S*\]))", RegexOptions.IgnoreCase | RegexOptions.Multiline);

            var result = reg.Match(CommandText).Groups;

            if (result["part2"] != null && result.Count > )

            {

                string part1 = result["part1"].Value;

                string part2 = result["part2"].Value;

                string part3 = result["part3"].Value;

                return result["part1"].Value + result["part2"].Value

                     + result["part3"].Value.Replace("[", ".").Replace("]", "");

            }

            else

            {

                return CommandText;

            }

        }

    }

ValueProviderFactories.Factories.Insert(, new FormExtensionValueProviderFactory());