Regular Expression C# Tutorial

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Text.RegularExpressions;
using System.Reflection;
public class MainClass{
   public static void Main(){
        Regex r0 = new Regex(@"<[^>]+>[^<]*]+>");
        
        string s0 = "S";
        string s1 = "S";
        Console.WriteLine(r0.IsMatch(s0));
        Console.WriteLine(r0.IsMatch(s1));
   }
}
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True