怎么返回空白? 我只是改了表达式。这是我写的。 public class ExtHtml { string regtext = "(?<=<span .* class=\"list_row_0\">)\\w+";
public void Htmlx(string srclist,TextBox rstlist) { Regex regexep = new Regex(regtext); MatchCollection mc = Regex.Matches(srclist,"(?<=<span .* class=\"list_row_0\">)\\w+",RegexOptions.IgnoreCase);
foreach (Match m in mc ) { rstlist.Text+=m.Groups["name"].Value; }
}
}
你的正则中根本就没有名称为name的命名捕获组,m.Groups["name"].Value;当然是空白你的代码中有很多用不到的废代码 public class ExtHtml { public void Htmlx(string srclist, TextBox rstlist) { MatchCollection mc = Regex.Matches(srclist, "(?<=<span[^>]*?class=\"list_row_0\">)\\w+", RegexOptions.IgnoreCase); foreach (Match m in mc) { rstlist.Text += m.Value; } } }
foreach (Match m in mc)
{
textbox1.text+=m.Groups[ "url "].Value;
}
怎么返回空白?
我只是改了表达式。这是我写的。
public class ExtHtml
{
string regtext = "(?<=<span .* class=\"list_row_0\">)\\w+";
public void Htmlx(string srclist,TextBox rstlist)
{
Regex regexep = new Regex(regtext); MatchCollection mc = Regex.Matches(srclist,"(?<=<span .* class=\"list_row_0\">)\\w+",RegexOptions.IgnoreCase);
foreach (Match m in mc )
{
rstlist.Text+=m.Groups["name"].Value;
}
}
}
{
public void Htmlx(string srclist, TextBox rstlist)
{
MatchCollection mc = Regex.Matches(srclist, "(?<=<span[^>]*?class=\"list_row_0\">)\\w+", RegexOptions.IgnoreCase);
foreach (Match m in mc)
{
rstlist.Text += m.Value;
}
}
}