/// <summary>        /// 更改时间格式[HH:mm:ss]到[HHmmss]        /// </summary>        /// <param name="input"></param>        /// <returns></returns>        public static string TimeToJsonTime(string input)        {            string result = null;            try            {                string searchExpress = "\\W(?<hour>\\d{1,2}):(?<minutes>\\d{1,2}):(?<seconds>\\d{1,2})\\W";                                string replaceExpress = "\"${hour}${minutes}${seconds}\"";                result = Regex.Replace(input,                    searchExpress,                    replaceExpress);            }            catch (Exception)            {                                throw;            }            return result;        }