Code snippets for C# string reverse blog post

FizzBuzz.cs

void Main()
{
    var printNum = true;
    
    for (var i = 1; i <= 100; i++)
    {
        if (i % 3 == 0)
        {
            Console.Write("fizz");
            printNum = false;
        }
        if (i % 5 == 0)
        {
            Console.Write("{0}buzz", printNum == false ? "-" : "");
            printNum = false;
        }
        
        if (printNum == true)
        {
            Console.Write(i);
        }
        
        Console.Write("{0}", Environment.NewLine);
        printNum = true;
    }
}

Reverse1.cs

public static class StringExtensions
{
    public static string ReverseString(this string input)
    {
        var chr = input.ToCharArray();
        
        var tmp = '0';
        var i = 0;
        var j = chr.Length - 1;
        var end = chr.Length / 2;
        
        while (i < end)
        {
            tmp = chr[i];
            chr[i] = chr[j];
            chr[j] = tmp;
            
            i++;
            j--;
        }
        return new string(chr);
    }
}

void Main()
{
    Console.WriteLine("Hello World!".ReverseString());
}

Reverse2.cs

public static class StringExtensions
{
    public static string ReverseString(this string input)
    {
        return new string(input.Reverse().ToArray());
    }
}

void Main()
{
    Console.WriteLine("Hello World!".ReverseString());
}

ReverseSentance.cs

public static class StringExtensions
{
    public static string ReverseSentance(this string input)
    {
        return String.Join(" ", input.Split(' ').Reverse());
    }
}
 
void Main()
{
    Console.WriteLine("Ignoring The Voices".ReverseSentance());  // Voices The Ignoring
}

ReverseWordsInSentance.cs

public static class StringExtensions
{
    public static string ReverseWord(this string input)
    {
        return new string(input.Reverse().ToArray());
    }
    
    public static string ReverseWordsInSentance(this string input)
    {
        return String.Join(" ", input.Split(' ').Select(n => n.ReverseWord()));
    }
}

void Main()
{
    Console.WriteLine("Ignoring The Voices".ReverseWordsInSentance());  // gnirongI ehT secioV

}

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