https://github.com/floydspace/isin-validator

International Securities Identification Number (ISIN) validator
https://github.com/floydspace/isin-validator

Last synced: 5 months ago
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International Securities Identification Number (ISIN) validator

• Host: GitHub
• URL: https://github.com/floydspace/isin-validator
• Owner: floydspace
• License: mit
• Created: 2019-10-19T11:11:51.000Z (about 6 years ago)
• Default Branch: master
• Last Pushed: 2023-01-04T23:01:20.000Z (about 3 years ago)
• Last Synced: 2025-08-01T02:34:23.084Z (5 months ago)
• Language: TypeScript
• Size: 188 KB
• Stars: 5
• Watchers: 2
• Forks: 1
• Open Issues: 13
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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# isin-validator

Validate International Securities Identification Number (ISIN) . Checks:

* if the format is correct

* if the Country Code is correct

* if the check digit is correct

## Getting started

```

npm install isin-validator

```

sync style

```

var validator = require("isin-validator");

if (validator("XX000A1G0AE8")) {

	console.log("ISIN is invalid!");

} else {

	console.log("ISIN is fine!");

}

```

async style

```

var validator = require("isin-validator");

validator("XX000A1G0AE8", function(err) {

	if (err) {

		console.log("ISIN is invalid!", err);

	} else {

		console.log("ISIN is fine!");

	}

});

```

## Options

* `checkCountryCode`: Boolean - validate of Country Code (Default: `true`)

* `checkCheckDigit`: Boolean -  validate of Check Digit (Default: `true`)

```

var validator = require("isin-validator");

if (validator("XX000A1G0AE8", undefined, {checkCountryCode: false, checkCheckDigit: false}) {

	console.log("ISIN is invalid!");

} else {

	console.log("ISIN is fine!");

}

var validator = require("isin-validator");

validator("XX000A1G0AE8", function(err) {

	if (err) {

		console.log("ISIN is invalid!", err);

	} else {

		console.log("ISIN is fine!");

	}

}, {checkCountryCode: false, checkCheckDigit: false});

```