indian-financial-utils/dist/validators/gstin.js

Validate PAN, Aadhaar, GSTIN, IFSC, PIN codes and mobile numbers — essential financial identifiers in India.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isValidGSTIN = isValidGSTIN;
function isValidGSTIN(gstin) {
    const gstinRegex = /^[0-9]{2}[A-Z]{5}[0-9]{4}[A-Z]{1}[1-9A-Z]{1}Z[0-9A-Z]{1}$/;
    return gstinRegex.test(gstin.toUpperCase());
}