@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.
29 lines • 1.16 kB
JavaScript
(function (factory) {
if (typeof module === "object" && typeof module.exports === "object") {
var v = factory(require, exports);
if (v !== undefined) module.exports = v;
}
else if (typeof define === "function" && define.amd) {
define(["require", "exports"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = isJWT;
/**
* Validates whether a given string is a valid JSON Web Token (JWT).
*
* @param token - The string to check if it's a valid JWT.
* @returns A boolean indicating whether the string is a valid JWT.
*
* @example
* isJWT("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyIjoiYWRtaW4iLCJpYXQiOjE1MTYyMzkwMjJ9.ZCXogGoSbb6dpzqSfrYtM4qvHmiim3g3b6pO5nQksjc"); // Output: true
* isJWT("not-a-jwt-token"); // Output: false
*/
function isJWT(token) {
// Regular expression to validate JWT structure
const jwtRegex = /^[A-Za-z0-9-_]+\.[A-Za-z0-9-_]+\.[A-Za-z0-9-_]+$/;
return jwtRegex.test(token);
}
});
//# sourceMappingURL=isJWT.js.map