public static bool _IsValidAddressInt(string addr)
{
string valid = "1234567890.";
bool ok = true;
if (ok = (!string.IsNullOrEmpty(addr)) && addr.Contains(".") && addr.Split('.').Length == 4)
{
foreach (char chr in addr)
{
ok = valid.Contains(chr) ? ok : false;
}
foreach (string str in Formatters.Divide(addr))
{
ok = _IsValidAddressNumber(str) ? ok : false;
}
}
return(ok);
}