windows 查詢連線數

cmd指令: netstat -an | find ":80" /c

參考資料: http://blog.xuite.net/haoming/mypoint/52264766-%5BCMD%5D%E6%9F%A5%E8%A9%A2%E4%B8%BB%E6%A9%9F%E7%9B%AE%E5%89%8D%E9%80%A3%E7%B7%9A%E6%95%B8

regex 取得特殊字串中間的內容

string body = "<a href=\"http://google.com\">Google</a>";

MatchCollection matches = Regex.Matches(body
, "href=\"(?<item>[^\"]+)\""
, RegexOptions.IgnoreCase);
   
foreach (Match match in matches)
{
     string a = match.Groups["item"].Value;
     //oupt: http://google.com
}