Skip to content
Related Articles

Related Articles

Improve Article
Save Article
Like Article

Check input character is alphabet, digit or special character

  • Difficulty Level : Medium
  • Last Updated : 19 Apr, 2021

All characters whether alphabet, digit or special character have ASCII value. Input character from the user will determine if it’s Alphabet, Number or Special character.
ASCII value ranges- 
 

Attention reader! All those who say programming isn't for kids, just haven't met the right mentors yet. Join the  Demo Class for First Step to Coding Coursespecifically designed for students of class 8 to 12. 

The students will get to learn more about the world of programming in these free classes which will definitely help them in making a wise career choice in the future.

  • For capital alphabets 65 – 90
  • For small alphabets 97 – 122
  • For digits 48 – 57

Examples : 
 



Input : 8
Output : Digit

Input : E
Output : Alphabet

 

 

C++




// CPP program to find type of input character
#include <iostream>
using namespace std;
 
void charCheck(char input_char)
{
    // CHECKING FOR ALPHABET
    if ((input_char >= 65 && input_char <= 90)
        || (input_char >= 97 && input_char <= 122))
        cout << " Alphabet ";
 
    // CHECKING FOR DIGITS
    else if (input_char >= 48 && input_char <= 57)
        cout << " Digit ";
 
    // OTHERWISE SPECIAL CHARACTER
    else
        cout << " Special Character ";
}
 
// Driver Code
int main()
{
    char input_char = '$';
    charCheck(input_char);
    return 0;
}

Java




// Java program to find type of input character
import java.io.*;
 
class GFG {
 
    static void charCheck(char input_char)
    {
        // CHECKING FOR ALPHABET
        if ((input_char >= 65 && input_char <= 90)
            || (input_char >= 97 && input_char <= 122))
            System.out.println(" Alphabet ");
 
        // CHECKING FOR DIGITS
        else if (input_char >= 48 && input_char <= 57)
            System.out.println(" Digit ");
 
        // OTHERWISE SPECIAL CHARACTER
        else
            System.out.println(" Special Character ");
    }
 
    // Driver Code
    public static void main(String[] args)
    {
        char input_char = '$';
        charCheck(input_char);
    }
}
 
// This code is contributed by vt_m.

Python3




# python program to find type of
# input character
 
def charCheck(input_char):
     
    # CHECKING FOR ALPHABET
    if ((int(ord(input_char)) >= 65 and
        int(ord(input_char)) <= 90) or
        (int(ord(input_char)) >= 97 and
        int(ord(input_char)) <= 122)):
        print( " Alphabet ")
     
    # CHECKING FOR DIGITS
    elif (int(ord(input_char)) >= 48 and
            int(ord(input_char)) <= 57):
        print(" Digit ")
 
    # OTHERWISE SPECIAL CHARACTER
    else:
        print(" Special Character ")
 
# Driver Code
input_char = '$'
charCheck(input_char)
 
# This code is contributed by Sam007.

C#




// C# program to find type of
// input character
using System;
 
class GFG {
 
    // Function to check type
    // of input character
    static void charCheck(char input_char)
    {
        // Checking for Alphabet
        if ((input_char >= 65 && input_char <= 90)
            || (input_char >= 97 && input_char <= 122))
            Console.WriteLine(" Alphabet ");
 
        // Checking for Digits
        else if (input_char >= 48 && input_char <= 57)
            Console.WriteLine(" Digit ");
 
        // Otherwise Special Character
        else
            Console.WriteLine("Special Character");
    }
 
    // Driver Code
    public static void Main()
    {
        char input_char = '$';
        charCheck(input_char);
    }
}
 
// This code is contributed by vt_m.

PHP




<?php
// PHP program to find type
// of input character
 
function charCheck($input_char)
{
    // CHECKING FOR ALPHABET
    if (($input_char >= 65 && $input_char <= 90)
        || ($input_char >= 97 && $input_char <= 122))
        echo " Alphabet ";
     
    // CHECKING FOR DIGITS
    else if ($input_char >= 48 &&
            $input_char <= 57)
    echo " Digit ";
 
    // OTHERWISE SPECIAL CHARACTER
    else                                   
    echo " Special Character ";
}
 
// Driver Code
$input_char = '$';
charCheck($input_char);
 
// This code is contributed by Sam007
?>

Javascript




<script>
      // JavaScript program to find type of input character
      function charCheck(input)
      {
        var input_char = input.charCodeAt(0);
         
        // CHECKING FOR ALPHABET
        if (
          (input_char >= 65 && input_char <= 90) ||
          (input_char >= 97 && input_char <= 122)
        )
          document.write(" Alphabet ");
           
        // CHECKING FOR DIGITS
        else if (input_char >= 48 && input_char <= 57)
          document.write(" Digit ");
           
        // OTHERWISE SPECIAL CHARACTER
        else document.write(" Special Character ");
      }
 
      // Driver Code
      var input_char = "$";
      charCheck(input_char);
       
      // This code is contributed by rdtank.
    </script>

Output : 
 

 Special Character 

 




My Personal Notes arrow_drop_up
Recommended Articles
Page :

Start Your Coding Journey Now!