how to seperate int from string c# code example

Example 1: c# random int

Random rnd = new Random();
int number  = rnd.Next(1, 10);

Example 2: c# ipaddress tryparse int

public bool ValidateIPv4(string ipString)
{
    if (String.IsNullOrWhiteSpace(ipString))
    {
        return false;
    }

    string[] splitValues = ipString.Split('.');
    if (splitValues.Length != 4)
    {
        return false;
    }

    byte tempForParsing;

    return splitValues.All(r => byte.TryParse(r, out tempForParsing));
}