using System;

using System.Text.RegularExpressions;

public class Program

{

    public static void Main()

    {

        var regex = new Regex(@"(?<Dollars>\d+)\.(?<Cents>\d+)", RegexOptions.IgnoreCase);

        var price = "108.54";

        var match = regex.Match(price);

        var dollars = match.Groups[1];

        var cents = match.Groups[2];

        Console.WriteLine(string.Format("Dollars: {0}", dollars));

        Console.WriteLine(string.Format("Cents: {0}", cents));

    }

}