using System;
using System.Text.RegularExpressions;
public class Program
{
public static void Main()
var url = "https://fptshop.com.vn/Content/Publishing/js/sourb31c.csseutm.minss?v=01062";
var uri = new Uri(url);
var aa = Regex.Match(uri.AbsolutePath , "(\\.css)|(\\.js)$");
Console.WriteLine(aa.Length);
}