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CSharp · Console

/Program.cs

using System;
using System.Text.RegularExpressions;
					
public class Program
{	
	public enum status
	{
        NotStarted,
        InProgress
	}
	
	public static void Main()
	{
      	string result = Regex.Replace(status.NotStarted.ToString(), "([a-z])([A-Z])", "$1 $2");
      	Console.WriteLine(result);
	}
}