using System;
using System.Text.RegularExpressions;
 
public class Test
{
	public static void Main()
	{
            string sentence = "Hello World <Red>This is some red text </Red> This is normal <Blue>This is blue text </Blue>";
            string[] matchSegments = Regex.Split(sentence,@"(<\w+>)(.*?)<\/\w+>");
            foreach (string value in matchSegments)
            {
                if(value.Contains("<") && value.Contains(">"))
                    Console.Write(value);
                else
                    Console.WriteLine(value);	
            }
	}
}

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