C# 匹配开始字符和结束字符

/// <summary>
        /// 获得字符串中开始和结束字符串
        /// </summary>
        /// <param name="str">字符串</param>
        /// <param name="s">开始</param>
        /// <param name="e">结束</param>
        /// <returns></returns>
        public static List<string> GetValue(string str, string s, string e)
        {
            return Regex.Matches(str, "[.\s\S]*?(?<=(" + s + "))[.\s\S]*?(?<=(" + e + "))", RegexOptions.Multiline | RegexOptions.Singleline)
               .Cast<Match>()
        .Select(t => t.Value.LastIndexOf(s) == -1 ? t.Value :  t.Value.Substring(t.Value.LastIndexOf(s))).ToList();
        }

　　　　 private void GetAllDataStr(string DataValue)
        {
            try
            {
                string regx = "(?<=(01))[.\s\S]*?(?=(04))";
                if (string.IsNullOrWhiteSpace(DataValue))
                    return;
                bool isMatch = Regex.IsMatch(DataValue, regx);
                if (!isMatch)
                    return;
                MatchCollection matchCol = Regex.Matches(DataValue, regx);
                string[] result = new string[matchCol.Count];
                if (matchCol.Count > 0)
                {
                    for (int i = 0; i < matchCol.Count; i++)
                    {
                        result[i] = "01" + matchCol[i].Value + "04";

                        StrToASCII(result[i]);
                    }
                }
            }
            catch(Exception ex)
            {
                WriteLog.Write(ex.Message);
            }
        }