indian-financial-utils

A lightweight, zero-dependency TypeScript library to validate Indian financial identifiers like PAN, Aadhaar, GSTIN, IFSC, PIN code, and mobile numbers.

✨ Features

• 🔐 PAN Card Number Validation
• 🆔 Aadhaar Number Format Validation
• 🧾 GSTIN Format Validation
• 🏦 IFSC Code Format Check
• 📱 Indian Mobile Number Validation
• 📮 PIN Code Validation

📦 Installation

npm install indian-financial-utils

Usage

✅ ES6 (import)

import {
  isValidPAN,
  isValidAadhaar,
  isValidGSTIN,
  isValidIFSC,
  isValidIndianMobileNumber,
  isValidIndianPINCode,
} from "indian-financial-utils";

console.log(isValidPAN("ABCDE1234F")); // true
console.log(isValidAadhaar("123456789012")); // true
console.log(isValidGSTIN("22AAAAA0000A1Z5")); // true
console.log(isValidIFSC("SBIN0000123")); // true
console.log(isValidIndianMobileNumber("9876543210")); // true
console.log(isValidIndianPINCode("560001")); // true

✅ CommonJS (require)

const {
  isValidPAN,
  isValidAadhaar,
  isValidGSTIN,
  isValidIFSC,
  isValidIndianMobileNumber,
  isValidIndianPINCode,
} = require("indian-financial-utils");

console.log(isValidPAN("ABCDE1234F")); // true
console.log(isValidAadhaar("123456789012")); // true
console.log(isValidGSTIN("22AAAAA0000A1Z5")); // true
console.log(isValidIFSC("SBIN0000123")); // true
console.log(isValidIndianMobileNumber("9876543210")); // true
console.log(isValidIndianPINCode("560001")); // true

Validators Included

| Validator | Function | | ---------- | ----------------------------------- | | PAN Card | isValidPAN(pan: string) | | Aadhaar | isValidAadhaar(aadhaar: string) | | GSTIN | isValidGSTIN(gstin: string) | | IFSC Code | isValidIFSC(ifsc: string) | | Mobile No. | isValidIndianMobileNumber(number) | | PIN Code | isValidIndianPINCode(pin: string) |

🛠️ Built With

1. 🟦 TypeScript

2. ⚙️ Node.js

3. 💡 Zero Dependencies

4. 🧪 Unit-Test Ready

🧑‍💻 Author

Built with ❤️ by Manindra Bollam([email protected])