You can use IpAddress.Tryparse to check whether its a valid ip or not
In C#
public bool IsAddressValid(string addrString)
{
IPAddress address;
return IPAddress.TryParse(addrString, out address);
}
In VB.Net
Public Function IsAddressValid(byval addrString as string) as Boolean
Dim address as IPAddress = nothing
return IPAddress.TryParse(addrString, address)
End sub
The namespace System.Net is to be imported to use IPAddress class.
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