using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
var re = new Regex(@"[\u0080-\uFFFF]");
var s = re.Replace("H€ELLOŠŠŠŠWorld. This is a sample 1234 $.", " ");
Console.WriteLine(s);
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uVGV4dC5SZWd1bGFyRXhwcmVzc2lvbnM7CgpwdWJsaWMgY2xhc3MgVGVzdAp7CglwdWJsaWMgc3RhdGljIHZvaWQgTWFpbigpCgl7CgkJdmFyIHJlID0gbmV3IFJlZ2V4KEAiW1x1MDA4MC1cdUZGRkZdIik7CgkJCgkJdmFyIHMgPSByZS5SZXBsYWNlKCJI4oKsRUxMT8WgxaDFoMWgV29ybGQuIFRoaXMgaXMgYSBzYW1wbGUgMTIzNCAkLiIsICIgIik7CgkJCgkJQ29uc29sZS5Xcml0ZUxpbmUocyk7Cgl9Cn0=