isAlpha.md

IsAlpha

This module provides a class for checking if a string contains only alphabetic characters (letters).

Installation

To use this module, you should have the "node-string-methods" npm package installed. You can install it using npm or yarn:

npm install node-string-methods

Usage

const IsAlpha = require('node-string-methods/isAlpha');

// Create an instance of the IsAlpha class with a string
const str1 = 'Alphabetic';
const str2 = 'Non-Alphabetic123';
const alphaChecker1 = new IsAlpha(str1);
const alphaChecker2 = new IsAlpha(str2);

// Execute the isAlpha operation
const result1 = alphaChecker1.execute();
const result2 = alphaChecker2.execute();

console.log(result1); // Output: true
console.log(result2); // Output: false

Constructor

new IsAlpha(str)

• str (String): The input string that you want to check for alphabetic characters.

Creates a new instance of the IsAlpha class with the provided input string.

Methods

execute()

Checks if the input string contains only alphabetic characters (letters).

• Returns: true if the input string contains only alphabetic characters, false otherwise.

Example

const IsAlpha = require('node-string-methods/isAlpha');

const str1 = 'Alphabetic';
const str2 = 'NonAlphabetic123';
const alphaChecker1 = new IsAlpha(str1);
const alphaChecker2 = new IsAlpha(str2);

const result1 = alphaChecker1.execute();
const result2 = alphaChecker2.execute();

console.log(result1); // Output: true
console.log(result2); // Output: false