using System;
using System.Linq;
using System.Text.RegularExpressions;
public class Test
{
	public static void Main()
	{
		var str = "/1-XXXX/2-YYYY/9-ZZZZ/1-AAAA/3-BBBB/5-CCCC/8=NNNN/9=DDDD/1-QQQQ/2-WWWW/3=PPPP/7-EEEE";
		var res = Regex.Matches(str, @"(?<fldNo>1)-(?'fldData'[^/]+)(?:/(?<fldNo>[2-9])[-=](?'fldData'[^/]+))*")
		    .Cast<Match>()
		    .Select(p => p.Groups["fldNo"].Captures.Cast<Capture>().Select(m => m.Value)
		    		.Zip(p.Groups["fldData"].Captures.Cast<Capture>().Select(m => m.Value), 
		    			(first, second) => first + "=" + second))
		    .ToList(); 
		    foreach (var t in res)
				Console.WriteLine(string.Join(" ", t));
	}
}