using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
RegexOptions options = RegexOptions.IgnoreCase;
var rx = new Regex("[^a-zÀ-ÖØ-öø-ÿ-()&\' ]+", options);
for (char ch = (char)0 ; ch <= (char)255 ; ch++) {
if (!rx.Match(""+ch).Success) {
Console.Write(ch);
}
}
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uVGV4dC5SZWd1bGFyRXhwcmVzc2lvbnM7CgpwdWJsaWMgY2xhc3MgVGVzdAp7CglwdWJsaWMgc3RhdGljIHZvaWQgTWFpbigpCgl7CiAgICAgICAgUmVnZXhPcHRpb25zIG9wdGlvbnMgPSBSZWdleE9wdGlvbnMuSWdub3JlQ2FzZTsKCQl2YXIgcnggPSBuZXcgUmVnZXgoIlteYS16w4Atw5bDmC3DtsO4LcO/LSgpJlwnIF0rIiwgb3B0aW9ucyk7CgkJZm9yIChjaGFyIGNoID0gKGNoYXIpMCA7IGNoIDw9IChjaGFyKTI1NSA7IGNoKyspIHsKCQkJaWYgKCFyeC5NYXRjaCgiIitjaCkuU3VjY2VzcykgewoJCQkJQ29uc29sZS5Xcml0ZShjaCk7CgkJCX0KCQl9Cgl9Cn0=