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public
static string checkStr(string
html) { System.Text.RegularExpressions.Regex regex1 = new
System.Text.RegularExpressions.Regex(@"<script[\s\S]+</script *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase); System.Text.RegularExpressions.Regex regex2 = new
System.Text.RegularExpressions.Regex(@" href *= *[\s\S]*script *:", System.Text.RegularExpressions.RegexOptions.IgnoreCase); System.Text.RegularExpressions.Regex regex3 = new
System.Text.RegularExpressions.Regex(@" no[\s\S]*=", System.Text.RegularExpressions.RegexOptions.IgnoreCase); System.Text.RegularExpressions.Regex regex4 = new
System.Text.RegularExpressions.Regex(@"<iframe[\s\S]+</iframe *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase); System.Text.RegularExpressions.Regex regex5 = new
System.Text.RegularExpressions.Regex(@"<frameset[\s\S]+</frameset *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase); System.Text.RegularExpressions.Regex regex6 = new
System.Text.RegularExpressions.Regex(@"\<img[^\>]+\>", System.Text.RegularExpressions.RegexOptions.IgnoreCase); System.Text.RegularExpressions.Regex regex7 = new
System.Text.RegularExpressions.Regex(@"</p>", System.Text.RegularExpressions.RegexOptions.IgnoreCase); System.Text.RegularExpressions.Regex regex8 = new
System.Text.RegularExpressions.Regex(@"<p>", System.Text.RegularExpressions.RegexOptions.IgnoreCase); System.Text.RegularExpressions.Regex regex9 = new
System.Text.RegularExpressions.Regex(@"<[^>]*>", System.Text.RegularExpressions.RegexOptions.IgnoreCase); System.Text.RegularExpressions.Regex regex10 = new
System.Text.RegularExpressions.Regex(@"[\t\n\r\s]", System.Text.RegularExpressions.RegexOptions.IgnoreCase); html = regex1.Replace(html, ""); //过滤<script></script>标记 html = regex2.Replace(html, ""); //过滤href=javascript: (<A>) 属性 html = regex3.Replace(html, " _disibledevent="); //过滤其它控件的on...事件 html = regex4.Replace(html, ""); //过滤iframe html = regex5.Replace(html, ""); //过滤frameset html = regex6.Replace(html, ""); //过滤frameset html = regex7.Replace(html, ""); //过滤frameset html = regex8.Replace(html, ""); //过滤frameset html = regex9.Replace(html, ""); html = regex10.Replace(html, ""); html = html.Replace(" ", ""); html = html.Replace(" ", ""); html = html.Replace("‘", "‘‘"); //转义单引号 html = html.Replace("</strong>", ""); html = html.Replace("<strong>", ""); return
html; } |
原文地址：http://www.cnblogs.com/qk2014/p/3731587.html
