validator.js

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A library of string validators and sanitizers.

Strings only

This library validates and sanitizes strings only.

If you're not sure if your input is a string, coerce it using input + ''. Passing anything other than a string will result in an error.

Installation and Usage

Server-side usage

Install the validator package as:

npm i validator
yarn add validator
pnpm i validator

No ES6

var validator = require('validator');

validator.isEmail('foo@bar.com'); //=> true

ES6

import validator from 'validator';

Or, import only a subset of the library:

import isEmail from 'validator/lib/isEmail';

Tree-shakeable ES imports

import isEmail from 'validator/es/lib/isEmail';

Client-side usage

The library can be loaded either as a standalone script, or through an [AMD][amd]-compatible loader

<script type="text/javascript" src="validator.min.js"></script>
<script type="text/javascript">
  validator.isEmail('foo@bar.com'); //=> true
</script>

The library can also be installed through [bower][bower]

$ bower install validator-js

CDN

<script src="https://unpkg.com/validator@latest/validator.min.js"></script>

Validators

Here is a list of the validators currently available.