c#공통 정규 해석 코드, 데이터를 캡처할 때 정규를 쓸 필요가 없음

<td>t1</td>
<td>t2</td>
<td>t3</td>

/// <summary>
        ///           
        /// </summary>
        /// <param name="start">  html tag</param>
        /// <param name="end">  html tag</param>
        /// <param name="html">html</param>
        /// <returns></returns>
        public static List<string> GetHtmls(string start, string end, string html)
        {
            IList list = new List<string>();
            try
            {
                string pattern = string.Format("{0}(?<g>(.|[\r
])+?){1}", start, end);//  URL   ,   
                MatchCollection mc = Regex.Matches(html, pattern);//  pattern     
                if (mc.Count != 0)
                {
                    foreach (Match match in mc)
                    {
                        GroupCollection gc = match.Groups;
                        list.Add(gc["g"].Value);
                    }
                }
            }
            catch {}
            return list;
        }

public static string GetHtml(string start, string end, string html)
        {
            string ret = string.Empty;
            try
            {
                string pattern = string.Format("{0}(?<g>(.|[\r
])+?)?{1}", start, end);//  URL   ,   
                ret= Regex.Match(html, pattern).Groups["g"].Value;

            }
            catch { }

            return ret;
        }