怎样批量屏蔽网页关键字

需要屏蔽很多关键字
关键字以分号分看 “湖北,石首,武警;换妻;黄白,牙签;黄樟;婚外恋;”
     这里有5个关键字 分别以分号";"隔开
    ","逗号前后的字词不能同时在一个网页上，不论相隔多远有什么好的办法可以批量处理，应为需要处理的关键字太多了，有好几百个。

解决方案 »

  1.   

    html：<%@ Page Language="C#" EnableViewState="false" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebTest.WebForm1" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <title></title>
    </head>
    <body>
    “湖北,石首,武警;换妻;黄白,牙签;黄樟;婚外恋;”
    “湖北,石首,武警;换妻;黄白,牙签;黄樟;婚外恋;”
    “,石首,武警;换妻;黄白,牙签;黄樟;婚外恋;”
    “湖北,石首,武警;换妻;黄白,牙签;黄樟;婚外恋;”
        </body>
    </html>
    cs：
      protected override void Render(HtmlTextWriter writer)
            {
                string content = string.Empty;
                StringWriter stringWriter = new StringWriter();
                HtmlTextWriter htmlWriter = new HtmlTextWriter(stringWriter);
                try
                {
                    // 将当前页面的内容呈现到临时的 HtmlTextWriter 对象中  
                    base.Render(htmlWriter);
                    htmlWriter.Close();
                    // 得到当前页面的全部内容  
                    content = stringWriter.ToString();
                    // 替换页面中的部分内容                  string[] strs = "湖北,石首,武警;换妻;黄白,牙签;黄樟;婚外恋;".Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);                Dictionary<string, string> dic = new Dictionary<string, string>();
                    string newContent = content;
                    string[] every;
                    bool flag = false;
                    for (int i = 0; i < strs.Length; i++)
                    {
                        every = strs[i].Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);                    for (int j = 0; j < every.Length; j++)
                        {
                            if (!flag)
                            {
                                if (newContent.Contains(every[j]))
                                {
                                    flag = true;
                                    continue;
                                }
                            }
                            else
                            {
                                newContent = newContent.Replace(every[j], "***");
                            }
                        }                    flag = false;
                    }
                   
                    // 将新页面的内容显示出来  
                    writer.Write(newContent);
                }
                catch { }
                finally
                {
                    stringWriter.Dispose();
                    htmlWriter.Close();
                    htmlWriter.Dispose();
                }
            }
    参考：
    http://blog.csdn.net/net_lover/article/details/5324455