Program.cs

namespace Stringclass
{
    internal class Program
    {
        static void Main(string[] args)
        {
                        
              Console.WriteLine("========== Custom StringClass Demo ==========\n");

             StringClass text = "  Welcome To StringClass Project  ";
            
             Console.WriteLine($" Original            : \"{text}\"");
             Console.WriteLine($" Length              : {text.Length}");
             Console.WriteLine($" First Character     : {text[0]}");
            
             Console.WriteLine($"\n Trim                : \"{text.Trim()}\"");
             Console.WriteLine($" Reverse             : \"{text.Reverse()}\"");
             Console.WriteLine($" Replace             : \"{text.Replace('o', '0')}\"");
             Console.WriteLine($" Substring           : \"{text.Substring(2, 7)}\"");
            
             Console.WriteLine($"\n Contains(\"Project\") : {text.Contains("Project")}");
             Console.WriteLine($" StartsWith(\"  We\")  : {text.StartsWith("  We")}");
             Console.WriteLine($" EndsWith(\"  \")      : {text.EndsWith("  ")}");
            
             Console.WriteLine($"\n IndexOf('o')        : {text.IndexOf('o')}");
             Console.WriteLine($" LastIndexOf('o')    : {text.LastIndexOf('o')}");
             Console.WriteLine($" CountOccurrences    : {text.CountOccurrences('o')}");
            
             Console.WriteLine("\n GetWords");
             foreach (var word in text.GetWords())
             {
                 Console.WriteLine($"   • {word}");
             }
            
             Console.WriteLine("\n IEnumerable Support");
             foreach (char c in text)
             {
                 Console.Write(c + " ");
             }
             Console.WriteLine();
            
             StringClass clone = text.Clone();
            
             Console.WriteLine($"\n Clone               : {clone}");
             Console.WriteLine($" Equals              : {text.Equals(clone)}");
             Console.WriteLine($" EqualsIgnoreCase    : {text.EqualsIgnoreCase(clone)}");
             Console.WriteLine($" CompareTo           : {text.CompareTo(clone)}");
            
             Console.WriteLine("\n=============================================");
             Console.WriteLine("All tests completed successfully ✔");
        }
    }
}