C# GetValueList 获得字符串中开始和结束字符串中间得值列表

        /// <summary>
        /// 获得字符串中开始和结束字符串中间得值列表
        /// </summary>
        /// <param name="styleContent">样式内容</param>
        /// <returns></returns>
        private MatchCollection GetValueList(string str, string s, string e)
        {
            return Regex.Matches(str, "(?<=(" + s + "))[.\s\S]*?(?=(" + e + "))", RegexOptions.IgnoreCase);
        }
        /// <summary>
        /// 获得字符串中开始和