using System;

using System.Text.RegularExpressions;

​

class Program

{

    static void Main()

    {

        String sample = "id: 123456, name: some dude";

        Regex regex = new Regex(@"^id: (?<id>\d+), name: (?<name>[a-z]+(\s[a-z]+)?)");

​

        Match match = regex.Match(sample);

​

        if (match.Success)

        {

            Console.WriteLine(match.Groups["id"].Value);

            Console.WriteLine(match.Groups["name"].Value);

        }

    }

}