C implements the method of case switching on strings

This article shows how C# implements case switching for strings. Share with you for your reference. The specific implementation method is as follows:

The C# code is as follows:

public class Program

{

    public static void Main()

    {

        string s = "OsChInAhI § $%&/()1234567890";

        Func<char, char> toggle = c => char.IsUpper(c) ? char.ToLower(c) : char.ToUpper(c);

        Console.WriteLine(s);

        Console.WriteLine(new string(s.Select(toggle).ToArray()));

    }

}

I hope this article is helpful to your C# programming.