Package Exports
- @emaddehnavi/iban-tools
Readme
iban-tools
A tiny TypeScript library for working with IBANs.
Features
Strict IBAN validation following ISO 13616
- Enforces correct length per country
- Only accepts uppercase A–Z and digits 0–9 (no spaces, no hidden Unicode)
- Validates check digits (mod-97 == 1)
Lightweight, zero dependencies
Installation
npm install @emaddehnavi/iban-toolsUsage
Strict IBAN validation
import { isValidIban } from "@emaddehnavi/iban-tools";
// Valid German IBAN
console.log(isValidIban("DE89370400440532013000")); // true
// Invalid (contains spaces)
console.log(isValidIban("DE89 3704 0044 0532 0130 00")); // false
// Invalid (lowercase)
console.log(isValidIban("de89370400440532013000")); // false
// Invalid (wrong check digits)
console.log(isValidIban("DE00370400440532013000")); // falseLicense
MIT