Asp.Net正则获取页面a标签里的内容
string url = "http://www.114369.com"; string html = MyCLib.NetClass.SendUrl(url,System.Text.Encoding.UTF8); List<string> keywords = new List<string>(); Regex reg = new Regex(@"(?is)<a[^>]*?href=(['""]?)(?<url>[^'""s>]+)1[^>]*>(?<text>(?:(?!</?a).)*)</a>"); MatchCollection mc = reg.Matches(html); foreach (Match m in mc) { //richTextBox2.Text += m.Groups["url"].Value + " "; string keyword = Regex.Replace(m.Groups["text"].Value, "<[^>]*>", string.Empty).Replace("..", "").Replace("·", "").Replace(" ", ""); if (keyword.Length > 0 && !keywords.Contains(keyword)) { keywords.Add(keyword); } } for (int i = 0; i < keywords.Count; i++) { Response.Write(keywords[i]); Response.Write("<br>"); }
Asp.Net正则过滤超链接a
string s = "<a href="#">我们是中国人</a><a class='xxx' href="#">我们是中国人2</a>"; Regex reg = new Regex(@"<as*[^>]*>([sS]+?)</a>", RegexOptions.IgnoreCase); s = reg.Replace(s, "$1"); Response.Write(s);//结果:我们是中国人我们是中国人2
js正则过滤超链接a
string s = "<a href="#">我们是中国人</a><a class='xxx' href="#">我们是中国人2</a>"; s = s.replace(/(</?a[^>]*>)(?!.*1)/ig,"");