这样?MatchCollection mc = Regex.Matches(yourStr, @"(?i)(?<=>)(?!\s*(?: )?\s*<)[^<>]+(?=<)(?!</title>)");
foreach (Match m in mc)
{
richTextBox2.Text += m.Value + "\n";
}
foreach (Match m in mc)
{
richTextBox2.Text += m.Value + "\n";
}
// 得排除其他标签吧