test, C# - rextester

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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
    {
        public static MatchCollection getMatches(string strInput)
        {
            Regex regex = new Regex(@"(?<=%download%#)\d+");
            return regex.Matches(strInput);
        }
        
        public static void Main(string[] args)
        {
            var toAccept = " %download%#111 %download%#222 ";     //should match
            var toReject = " %download%.333 .download.#444 555 "; //should not match
            var combined = toAccept + toReject;
            
            var acceptAll = getMatches(toAccept); //should return each group of digits in toAccept
            var rejectAll = getMatches(toReject); //should return an empty MatchCollection
            var checkBoth = getMatches(combined); //should have the same result as acceptAll
            
            Console.WriteLine("Match count: {0}, Expected: {1}", checkBoth.Count, acceptAll.Count);
            
            for (var i = 0; i < checkBoth.Count; i++)
            {
                Console.WriteLine("Matched: {0}, Expected: {1}", checkBoth[i], acceptAll[i]);
            }
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,19 sec, absolute running time: 0,19 sec, cpu time: 0,17 sec, average memory usage: 21 Mb, average nr of threads: 4, absolute service time: 0,4 sec