Dev2.StringExtension.IsDate C# (CSharp) Method

        public static bool IsDate(this string payload)
        {
            bool result = false;

            if (string.IsNullOrEmpty(payload))
            {
                return false;
            }

            var acceptedDateFormats = new List<string>
            {
                "yyyymmdd",
                "mmddyyyy",
                "yyyyddmm",
                "ddmmyyyy",
                "yyyy/mm/dd",
                "dd/mm/yyyy",
                "yyyy/dd/mm",
                "mm/dd/yyyy",
                "yyyy-mm-dd",
                "dd-mm-yyyy",
                "mm-dd-yyyy",
                "yyyy-dd-mm",
                @"dd\mm\yyyy",
                @"yyyy\mm\dd",
                @"yyyy\dd\mm",
                @"mm\dd\yyyy",
                "dd mm yyyy",
                "mm dd yyyy",
                "yyyy mm dd",
                "yyyy dd mm",
                "yyyy mm dd",
                "dd.mm.yyyy",
                "mm.dd.yyyy",
                "yyyy.mm.dd",
                "yyyy.dd.mm"
            };
            var d = new DateTimeParser();
            int count = 0;
            while (result == false && count < acceptedDateFormats.Count)
            {
                string errorMsg;
                IDateTimeResultTO to;
                result = d.TryParseDateTime(payload, acceptedDateFormats[count], out to, out errorMsg);
                count++;
            }
            return result;
        }
        private static readonly XmlReaderSettings IsXmlReaderSettings = new XmlReaderSettings { ConformanceLevel = ConformanceLevel.Auto, DtdProcessing = DtdProcessing.Ignore };