using System;

​

using System.Text.RegularExpressions;

public class Program

{

    public static void Main()

    {

        var x = "+1 318-317-6598";

        var tt = Regex.Replace(x, @"\s+|\(+|\)+|\-+", "");

        Console.WriteLine(tt);

        var y= "+7(999) 999 99 99";

        var tty = Regex.Replace(y, @"\s+|\(+|\)+|\-+", "");

        Console.WriteLine(tty);

    }

}