indian-financial-utils

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

!npm !license !downloads

✨ Features

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

📦 Installation

``bash
npm install indian-financial-utils
`

Usage

✅ ES6 (import)

`js
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)

`js
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

$3

Built with ❤️ by Manindra Bollam(manindra810@gmail.com)