过滤HTML代码，只留下文本
using System; using System.Web; using System.Text.RegularExpressions; public static string NoHTML(string Htmlstring) { //删除剧本 Htmlstring = Regex.Replace(Htmlstring,@"<script[^>]*?>.*?</script>", "",RegexOptions.IgnoreCase); //删除HTML Htmlstring = Regex.Replace(Htmlstring,@"<(.[^>]*)>","",RegexOption s.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"([\r\n])[\s]+","",Regex Options.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"-->","",RegexOptions.Ign oreCase); Htmlstring = Regex.Replace(Htmlstring,@"<!--.*","",RegexOptions. IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"&(quot|#34);",""",Rege xOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"&(amp|#38);","&",RegexO ptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"&(lt|#60);","<",RegexOpt ions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"&(gt|#62);",">",RegexOpt ions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"&(nbsp|#160);"," ",RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"&(iexcl|#161);","\xa1", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"&(cent|#162);","\xa2",R egexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"&(pound|#网易);","\xa3", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring,@"&(copy|#169);","\xa9",R egexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"&#(\d+);","",RegexOptions.IgnoreCase); Htmlstring.Replace("<",""); Htmlstring.Replace(">",""); Htmlstring.Replace("\r\n",""); Htmlstring=HttpContext.Current.Server.HtmlEncode(H tmlstring).Trim(); return Htmlstring; } ?
/**////提取HTML代码中书契的C#函数 /// <summary> /// 去除HTML标记 /// </summary> /// <param name="strHtml">包孕HTML的源码 </param> /// <returns>已经去除后的书契</returns> using System; using System.Text.RegularExpressions; public class StripHTMLTest{ public static void Main(){ string s=StripHTML("<HTML><HEAD><TITLE>资料测试</TITLE></HEAD><BODY>信息</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|#网易);", @"&(copy|#169);", @"&#(\d+);", @"-->", @"<!--.*\n" }; string [] aryRep = { "", "", "", """, "&", "<", ">", " ", "\xa1",//chr(161), "\xa2",//chr(162), "\xa3",//chr(网易), "\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; } } 写一个静态要领 移除HTML标签#region 移除HTML标签 /**//// <summary> /// 移除HTML标签 /// </summary> /// <param name="HTMLStr">HTMLStr</param> public static string ParseTags(string HTMLStr) { return System.Text.RegularExpressions.Regex.Replace(HTMLS tr, "<[^>]*>", ""); } ?
取出文本中的图片地址#region 取出文本中的图片地址 /**//// <summary> /// 取出文本中的图片地址 /// </summary> /// <param name="HTMLStr">HTMLStr</param> public static string GetImgUrl(string HTMLStr) { string str = string.Empty; string sPattern = @"^<img\s+[^>]*>"; Regex r = new Regex(@"<img\s+[^>]*\s*src\s*=\s*([']?)(?<url>\S+)'?[^> ]*>", RegexOptions.Compiled); Match m = r.Match(HTMLStr.ToLower()); if (m.Success) str = m.Result("${url}"); return str; } ?