using System;
using System.Text.RegularExpressions;
 
public class Test
{
	public static void Main()
	{
        string linha = "'Oi 1' 'tchau 2' 'hello 3' 'good bye 4'";
        string regex = @"'([^']+)'";
        MatchCollection match = Regex.Matches(linha, @regex);
 
        string[] dados = new string[match.Count];
 
        for (int i = 0; i < dados.Length; i++)
        {
            dados[i] = match[i].Groups[1].Value;
            Console.WriteLine(dados[i]);
        }
	}
}

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