using System;
using System.Collections.Generic;
 
public class Test
{
	public static void Main()
	{
	    var str =  "seq[]=8&seq[]=7&seq[]=5&seq[]=1&seq[]=4&seq[]=3&seq[]=6&seq[]=0&seq[]=2";
	    var output = Tokenize(str);
 
	    foreach (string outputString in output)
	    {
	    	Console.WriteLine(outputString);
	    }
	}
 
	private static List<string> Tokenize(string str)
	{
		str = str.Replace("&", String.Empty);
		string[] separators = new string[] {"seq[]="};
		return new List<string>(str.Split(separators, StringSplitOptions.None));
	}
 
}

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