using System;

using System.Text.RegularExpressions;

​

public class Program

{

    public static void Main()

    {

        const string input = "Data Coverage Start Date: 2022-01-01 00:00:00 UTC Data Coverage End Date: 2022-01-31 23:59:59 UTC";

        const string pattern = @"\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}";

        var matches = Regex.Matches(input, pattern);

        foreach (var match in matches)

        {

            Console.WriteLine("Match : {0}", (match as Match).Value);

        }

​

        Console.WriteLine("Done");

    }

}