How to find if the Character is a UpperCase or LowerCase in C# ?

Published on October 4, 2012 by abundantcode

Filed under C#

Last modified October 4, 2012

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You can find if the Character is a UpperCase or LowerCase in C# with the following methods

  • Char.IsLower
  • Char.IsUpper

How to find if the Character is a UpperCase or LowerCase in C# ?

The Char.IsLower method will return true if the specified character is a lower case character.

The Char.IsUpper method will return true if the specified character is a upper case character.

using System;
namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string inputString = "Welcome to Abundant Code !!!"; 
            foreach(char input in inputString)
            {
                if(Char.IsLower(input))
                    Console.WriteLine(input + " is a Lower Case Character");
                else if (Char.IsUpper(input))
                    Console.WriteLine(input + " is a upper Case Character");

            }

            Console.Read();
        }
    }
}
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