提取HTML代码中文字的C#函数

最新推荐文章于 2025-12-04 15:52:21 发布

最新推荐文章于 2025-12-04 15:52:21 发布 · 92 阅读

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///提取HTML代码中文字的C#函数
/// <summary>
/// 去除HTML标记
/// </summary>
/// <param name="strHtml">包括HTML的源码 </param>
/// <returns>已经去除后的文字</returns>
using System;
using System.Text.RegularExpressions;
public class StripHTMLTest{
public static void Main(){
string s=StripHTML("<HTML><HEAD><TITLE>中国石龙信息平台</TITLE></HEAD><BODY>faddfs龙信息平台</BODY></HTML>");
Console.WriteLine(s);
}

public static string StripHTML(string strHtml){
string [] aryReg ={
@"<script[^>]*?>.*?</script>",

@"<(///s*)?!?((/w+:)?/w+)(/w+(/s*=?/s*(([""'])(//[""'tbnr]|[^/7])*?/7|/w+)|.{0})|/s)*?(///s*)?>",
@"([/r/n])[/s]+",
@"&(quot|#34);",
@"&(amp|#38);",
@"&(lt|#60);",
@"&(gt|#62);",
@"&(nbsp|#160);",
@"&(iexcl|#161);",
@"&(cent|#162);",
@"&(pound|#163);",
@"&(copy|#169);",
@"&#(/d+);",
@"-->",
@"<!--.*/n"
};

string [] aryRep = {
"",
"",
"",
"/"",
"&",
"<",
">",
" ",
"/xa1",//chr(161),
"/xa2",//chr(162),
"/xa3",//chr(163),
"/xa9",//chr(169),
"",
"/r/n",
""
};

string newReg =aryReg[0];
string strOutput=strHtml;
for(int i = 0;i<aryReg.Length;i++){
Regex regex = new Regex(aryReg[i],RegexOptions.IgnoreCase);
strOutput = regex.Replace(strOutput,aryRep[i]);
}
strOutput.Replace("<","");
strOutput.Replace(">","");
strOutput.Replace("/r/n","");
return strOutput;
}
}