RickStrahl

using System;
using System.Text;
using System.Text.RegularExpressions;

namespace MainColorConsole
{
    class Program
    {
        static void Main(string[] args)
        {

FabienDehopre

using System;
using System.Linq;
using System.Text.RegularExpressions;

public static class IdentifierExtensions
{
    // definition of a valid C# identifier: http://msdn.microsoft.com/en-us/library/aa664670(v=vs.71).aspx
    private const string FORMATTING_CHARACTER = @"\p{Cf}";
    private const string CONNECTING_CHARACTER = @"\p{Pc}";
    private const string DECIMAL_DIGIT_CHARACTER = @"\p{Nd}";