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@azizbecha/strkit

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strkit is a utility library offering a collection of essential string functions including validation, case conversion, truncation, and more. Ideal for both JavaScript and TypeScript developers to simplify string operations in their applications.

github.com/azizbecha/strkit

azizbecha/strkit

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/** * Validates whether a given string is a valid credit card number using the Luhn algorithm. * * @param str - The string to check if it's a valid credit card number. * @returns A boolean indicating whether the string is a valid credit card number. * * @example * isCreditCard("4111111111111111"); // Output: true * isCreditCard("1234567812345670"); // Output: false * isCreditCard("not-a-credit-card"); // Output: false */ export default function isCreditCard(str: string): boolean;