楼主是想用正则表达式来替换吧。那应该是这样的用法:
wenben3.Text= System.Text.RegularExpressions.Regex.Replace(@"href=\"[^\"]*\"","href="+"convert.aspx?Url=");
wenben3.Text= System.Text.RegularExpressions.Regex.Replace(@"href=\"[^\"]*\"","href="+"convert.aspx?Url=");
调试欢乐多
{
Regex r;
Match m; r = new Regex("href\\s*=\\s*(?:\"(?<1>[^\"]*)\"|(?<1>\\S+))",
RegexOptions.IgnoreCase|RegexOptions.Compiled);
for (m = r.Match(inputString); m.Success; m = m.NextMatch())
{
Console.WriteLine("Found href " + m.Groups[1] + " at "
+ m.Groups[1].Index);
}
}
System.Text.RegularExpressions.Regex类的Replace方法