Use Regex.Replace to create a new list of findings
//test input
BMW 2002 FAQ !02faq 5channel !2channel
string pattern = "<a title=\"(.*?)\" href=\"(.*?)\">(.*?)</a>(.*?)";
Regex.Replace(txtInput.Text, pattern, "$3 - URL : $1\r\n", RegexOptions.Multiline | RegexOptions.IgnoreCase);
/*...