validation-helper-utils Package

The validation helper utils is a lightweight npm package that provides validation helper functions for common validation scenarios. It includes functions to validate strings for email addresses, URLs, passwords, and credit card numbers.

Installation

You can install the package using npm:

npm install validation-helper-utils

Usage

To use the validation helper functions provided by validation-helper-utils, require the package in your JavaScript code:

const { isEmpty, isValidEmail, isValidUrl, isValidPassword, isValidCreditCard } = require('validation-helper-utils');

isEmpty(str)

This function checks if a string is empty.

str (string): The string to be validated.

Example usage:

console.log(isEmpty('')); // true
console.log(isEmpty('   ')); // true
console.log(isEmpty('abc')); // false

isValidEmail(email)

This function checks if a string is a valid email address.

email (string): The email address to be validated.

Example usage:

console.log(isValidEmail('[email protected]')); // true
console.log(isValidEmail('invalidemail')); // false
console.log(isValidEmail('test@example')); // false

isValidUrl(url)

This function checks if a string is a valid URL.

url (string): The URL to be validated.

Example usage:

console.log(isValidUrl('https://www.example.com')); // true
console.log(isValidUrl('invalidurl')); // false
console.log(isValidUrl('http://example')); // false

isValidPassword(password)

This function checks if a string is a valid password.

password (string): The password to be validated.

Example usage:

console.log(isValidPassword('Abc12345')); // true
console.log(isValidPassword('password')); // false
console.log(isValidPassword('12345678')); // false

isValidCreditCard(cardNumber)

This function checks if a string is a valid credit card number.

cardNumber (string): The credit card number to be validated.

Example usage:

console.log(isValidCreditCard('4111111111111111')); // true
console.log(isValidCreditCard('1234567890123456')); // false
console.log(isValidCreditCard('4111 1111 1111 1111')); // true

Contributing

Contributions are welcome! If you find any issues or have suggestions for improvements, please open an issue on the https://github.com/olumidetech/validation-helper-utils.git.

License

This package is licensed under the MIT License.

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