public static bool IsValidDomain(String domain)
{
Regex r = new Regex(IP_DOMAIN_REGEX, RegexOptions.IgnoreCase);
Match m = r.Match(domain);
if (m.Success)
{
IPAddress ipAddress;
return(IPAddress.TryParse(m.Groups[1].ToString(), out ipAddress));
}
Boolean mappingInvalid = false;
try
{
domain = new IdnMapping().GetAscii(domain);
}
catch (ArgumentException)
{
mappingInvalid = true;
}
if (mappingInvalid)
{
return(false);
}
if (Regex.IsMatch(domain, DOMAIN_NAME_REGEX, RegexOptions.IgnoreCase))
{
String[] group = domain.Split('.');
if (group.Length > 2)
{
return(IsValidTld(group[2]));
}
return(IsValidTld(group[1]));
}
return(false);
}
public static bool IsValidDomain(String domain)
{
Regex r = new Regex(IP_DOMAIN_REGEX, RegexOptions.IgnoreCase);
Match m = r.Match(domain);
if (m.Success)
{
IPAddress ipAddress;
return IPAddress.TryParse(m.Groups[1].ToString(), out ipAddress);
}
Boolean mappingInvalid = false;
try
{
domain = new IdnMapping().GetAscii(domain);
}
catch (ArgumentException)
{
mappingInvalid = true;
}
if (mappingInvalid)
{
return false;
}
if (Regex.IsMatch(domain, DOMAIN_NAME_REGEX, RegexOptions.IgnoreCase))
{
String[] group = domain.Split('.');
if (group.Length >2)
{
return IsValidTld(group[2]);
}
return IsValidTld(group[1]);
}
return false;
}
