asp.Net(C#)データ収集クラス

using System; 
using System.Data;
using System.Collections;
using System.Collections.Generic;
using System.Configuration; 
using System.Web; 
using MSXML2; //     COM - Microsoft XML V3.0-V6.0
using System.Text.RegularExpressions;

namespace EC
{
    /// <summary> 
    ///         
    /// </summary> 
    public class GetRemoteObj
    {

        #region        
        public GetRemoteObj()
        {
            // 
            // TODO:             
            // 
        }
        ~GetRemoteObj()
        {
            Dispose();
        }
        #endregion

        #region IDisposable   

        public void Dispose()
        {
            GC.SuppressFinalize(this);
        }

        #endregion

        #region       
        /// <summary> 
        ///        
        /// </summary> 
        /// <param name="filename">    </param> 
        /// <returns></returns> 
        public string GetFileExtends(string filename)
        {
            string ext = null;
            if (filename.IndexOf('.') > 0)
            {
                string[] fs = filename.Split('.');
                ext = fs[fs.Length - 1];
            }
            return ext;
        }
        #endregion

        #region          
        /********************************** 
         *     :GetRemoteHtmlCode 
         *     :          
         *       :Url:  url 
         *     : 
         *          GetRemoteObj o = new GetRemoteObj(); 
         *          string url = @"http://www.baidu.com"; 
         *          string s = o.GetRemoteHtmlCode(url); 
         *          Response.Write(s); 
         *          o.Dispose(); 
         * ********************************/
        /// <summary> 
        ///           
        /// </summary> 
        /// <param name="url">  url</param> 
        /// <returns></returns> 
        public string GetRemoteHtmlCode(string Url)
        {
            string s = "";
            MSXML2.XMLHTTP _xmlhttp = new MSXML2.XMLHTTP();
            _xmlhttp.open("GET", Url, false, null, null);
            _xmlhttp.send("");
            if (_xmlhttp.readyState == 4)
            {
                s = System.Text.Encoding.Default.GetString((byte[])_xmlhttp.responseBody);
            }
            return s;
        }

        #endregion

        #region       
        /********************************** 
         *     ：RemoteSave 
         *     ：       
         *       ：Url:  url;Path:       
         *     : 
         *          GetRemoteObj o = new GetRemoteObj(); 
         *          string s = ""; 
         *          string url = @"http://www.baidu.com/img/logo.gif"; 
         *          string path =Server.MapPath("Html/"); 
         *          s = o.RemoteSave(url,path); 
         *          Response.Write(s); 
         *          o.Dispose();          
         * ******************************/
        /// <summary> 
        ///        
        /// </summary> 
        /// <param name="Url">  url</param> 
        /// <param name="Path">      </param> 
        /// <returns></returns> 
        public string RemoteSave(string Url, string Path)
        {
            Random ra = new Random();
            string StringFileName = DateTime.Now.ToString("yyyyMMddHHmmssffff") + "." + GetFileExtends(Url);
            string StringFilePath = Path + StringFileName;
            MSXML2.XMLHTTP _xmlhttp = new MSXML2.XMLHTTP();
            _xmlhttp.open("GET", Url, false, null, null);
            _xmlhttp.send("");
            if (_xmlhttp.readyState == 4)
            {
                if (System.IO.File.Exists(StringFilePath))
                    System.IO.File.Delete(StringFilePath);
                System.IO.FileStream fs = new System.IO.FileStream(StringFilePath, System.IO.FileMode.CreateNew);
                System.IO.BinaryWriter w = new System.IO.BinaryWriter(fs);
                w.Write((byte[])_xmlhttp.responseBody);
                w.Close();
                fs.Close();
            }
            else
                throw new Exception(_xmlhttp.statusText);
            return StringFileName;
        }
        #endregion

        #region            
        /// <summary> 
        ///             
        /// </summary> 
        /// <param name="HtmlCode">HTML   </param> 
        /// <returns></returns> 
        public string ReplaceEnter(string HtmlCode)
        {
            string s = "";
            if (HtmlCode == null || HtmlCode == "")
                s = "";
            else
                s = HtmlCode.Replace("\"", "");
            s = s.Replace("\r
", "");
            return s;
        }

        #endregion

        #region   HTML  
        /// <summary> 
        ///   HTML   
        /// </summary> 
        /// <param name="HtmlCode">html   </param> 
        /// <returns></returns> 
        public string RemoveHTML(string HtmlCode)
        {
            string MatchVale = HtmlCode;
            foreach (Match s in Regex.Matches(HtmlCode, "<.+?>"))
            {
                MatchVale = MatchVale.Replace(s.Value, "");
            }
            return MatchVale;
        }

        #endregion

        #region        
        /// <summary> 
        ///           
        /// </summary> 
        /// <param name="HtmlCode"></param> 
        /// <returns></returns> 
        public List<string> GetHref(string HtmlCode)
        {
            List<string> list = new List<string>();
            string Reg = @"(h|H)(r|R)(e|E)(f|F) *= *('|"")?((\w|\\|\/|\.|:|-|_)+)('|""| *|>)?";
            foreach (Match m in Regex.Matches(HtmlCode, Reg))
            {
                list.Add((m.Value).ToLower().Replace("href=", "").Trim());
            }
            return list;
        }
        #endregion

        #region          
        /// <summary> 
        ///           
        /// </summary> 
        /// <param name="HtmlCode"></param> 
        /// <param name="imgHttp">    http://    </param> 
        /// <returns></returns> 
        public string GetImgSrc(string HtmlCode, string imgHttp)
        {
            string MatchVale = "";
            string Reg = @"<img.+?>";
            foreach (Match m in Regex.Matches(HtmlCode, Reg))
            {
                MatchVale += GetImg((m.Value).ToLower().Trim(), imgHttp) + "||";
            }
            return MatchVale;
        }

        /// <summary> 
        ///   <img src="" />           
        /// </summary> 
        /// <param name="ImgString"><img src="" />   </param> 
        /// <returns></returns> 
        public string GetImg(string ImgString, string imgHttp)
        {
            string MatchVale = "";
            string Reg = @"src=.+\.(bmp|jpg|gif|png|)";
            foreach (Match m in Regex.Matches(ImgString.ToLower(), Reg))
            {
                MatchVale += (m.Value).ToLower().Trim().Replace("src=", "");
            }
            return (imgHttp + MatchVale);
        }

        #endregion

        #region     Html                 
        /// <summary> 
        ///     Html                 :       Dictionary   key-    value-   
        /// </summary> 
        /// <param name="HtmlCode">          HTML  </param> 
        /// <returns></returns> 
        public Dictionary<string, string> GetCodeHref(string HtmlCode)
        {
            Dictionary<string, string> dic = new Dictionary<string, string>();
            //    HTML            href                                   <B>  </B>   
            string regex = @"\<a.*href\s*=\s*(?:""(?<url>[^""]*)""|'(?<url>[^']*)'|(?<url>[^\>^\s]+)).*\>(?<title>[^\<^\>]*)\<[^\</a\>]*/a\>";
            Regex reg1 = new Regex(regex, RegexOptions.IgnoreCase);//          
            MatchCollection ms1 = reg1.Matches(HtmlCode);//                     
            foreach (Match m1 in ms1)//            
            {
                dic.Add(m1.Groups["title"].Value, m1.Groups["url"].Value);
            }
            return dic;
        }
        #endregion

        #region                     
        /// <summary>
        ///                     
        /// </summary>
        /// <param name="str">   </param>
        /// <param name="s">  </param>
        /// <param name="e">  </param>
        /// <returns></returns> 
        public string GetRegValue(string str, string s, string e)
        {
            Regex rg = new Regex("(?<=(" + s + "))[.\\s\\S]*?(?=(" + e + "))", RegexOptions.Multiline | RegexOptions.Singleline);
            return rg.Match(str).Value;
        }

        /// <summary>
        ///                     
        /// </summary>
        /// <param name="str">   </param>
        /// <param name="s">  </param>
        /// <param name="e">  </param>
        /// <returns></returns>
        public List<string> GetRegValueArr(string str, string s, string e)
        {
            Match m;
            List<string> list = new List<string>();
            Regex rg = new Regex("(?<=(" + s + "))[.\\s\\S]*?(?=(" + e + "))", RegexOptions.Multiline | RegexOptions.Singleline);
            for (m = rg.Match(str); m.Success; m = m.NextMatch())
            {
                list.Add(m.Groups[0].Value);
            }
            return list;
        }
        #endregion

        #region                        
        public string RegReplace(string RegValue, string regStart, string regEnd)
        {
            string s = RegValue;
            if (RegValue != "" && RegValue != null)
            {
                if (regStart != "" && regStart != null)
                {
                    s = s.Replace(regStart, "");
                }
                if (regEnd != "" && regEnd != null)
                {
                    s = s.Replace(regEnd, "");
                }
            }
            return s;
        }
        #endregion
    }
}