SMS filter config Captures and Groups, C#

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//Title of this code
//Rextester.Program.Main is the entry point for your code. Don't change it.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        private static readonly Regex configValueExtrator = new Regex(@"(?:restrict=)(true|false)\|?(?:recipients=)(?:,?(\+?\d{8,10}))*");
        private static readonly string config = "restrict=true|recipients=48995764,97063710";
        public static void Main(string[] args)
        {
            var matches = configValueExtrator.Matches(config);

foreach(Match match in matches){
                Console.WriteLine("**MATCH**");
                Console.WriteLine(match.Value);
                foreach(Group grp in match.Groups){
                    Console.WriteLine("\t**GROUP**");
                    Console.WriteLine("\t{0}", grp.Value);
                    
                    foreach(Capture capture in grp.Captures){
                        Console.WriteLine("\t\t**Capture**");
                        Console.WriteLine("\t\t{0}", capture.Value);
                    }
                }
            }
        }
        
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0.14 sec, absolute running time: 0.22 sec, cpu time: 0.2 sec, average memory usage: 17 Mb, average nr of threads: 5