原文 C#用正则表达式去掉Html中的script脚本和html标签
/// <summary>
/// 用正则表达式去掉Html中的script脚本和html标签
/// </summary>
/// <param name="Htmlstring"></param>
/// <returns></returns>
public
static
string
NoHTML(
string
Htmlstring)
{
//删除脚本
Htmlstring = Regex.Replace(Htmlstring,
@"<script[^>]*?>.*?</script>"
,
""
, RegexOptions.IgnoreCase);
//删除HTML
Htmlstring = Regex.Replace(Htmlstring,
@"<(.[^>]*)>"
,
""
, RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,
@"([\r\n])[\s]+"
,
""
, RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,
@"-->"
,
""
, RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,
@"<!--.*"
,
""
, RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,
@"&(quot|#34);"
,
"\""
, RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,
@"&(amp|#38);"
,
"&"
, RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,
@"&(lt|#60);"
,
"<"
, RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,
@"&(gt|#62);"
,
">"
, RegexOptions.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"
, RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,
@"&(pound|#163);"
,
"\xa3"
, RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,
@"&(copy|#169);"
,
"\xa9"
, RegexOptions.IgnoreCase);
Htmlstring = Regex.Replace(Htmlstring,
@"&#(\d+);"
,
""
, RegexOptions.IgnoreCase);
Htmlstring.Replace(
"<"
,
""
);
Htmlstring.Replace(
">"
,
""
);
Htmlstring.Replace(
"\r\n"
,
""
);
Htmlstring = HttpUtility.HtmlDecode(Htmlstring).Replace(
"<br/>"
,
""
).Replace(
"<br>"
,
""
).Trim();
return
Htmlstring;
}
