using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
var myString = "af8a4gAJJVA*j AVJ SAJ faf";
myString = Regex.Replace(myString, @"[a-zA-Z\s]", string.Empty);
Console.WriteLine(myString);
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uVGV4dC5SZWd1bGFyRXhwcmVzc2lvbnM7CgpwdWJsaWMgY2xhc3MgVGVzdAp7CglwdWJsaWMgc3RhdGljIHZvaWQgTWFpbigpCgl7CgkJdmFyIG15U3RyaW5nID0gImFmOGE0Z0FKSlZBKmogQVZKIFNBSiBmYWYiOwogICAgICAgIG15U3RyaW5nID0gUmVnZXguUmVwbGFjZShteVN0cmluZywgQCJbYS16QS1aXHNdIiwgc3RyaW5nLkVtcHR5KTsKICAgICAgICBDb25zb2xlLldyaXRlTGluZShteVN0cmluZyk7Cgl9Cn0=