using System;
using System.Text.RegularExpressions;

public class Test
{
	public static void Main()
	{
		string data =	"some statement\n"+
						"token\n"+
						"content1\n"+
						"some other statement\n"+
						"some othe statement 2\n"+
						"token\n"+
						"content2\n"+
						"continutes\n"+
						".....\n";
				
      Regex r = new Regex("(?<=\\ntoken\\n).*");
		
      Match m = r.Match(data);
      int matchCount = 0;
      while (m.Success) 
      {
         Console.WriteLine("Match"+ (++matchCount) + " = '" + m.Value + "'");
         m = m.NextMatch();
      }
	}
}