express-validator is a set of express.js middlewares that wraps the extensive collection of validators and sanitizers offered by validator.js. It allows you to combine them in many ways …

express-validator validators do not report validation errors to users automatically. The reason for this is simple: as you add more validators, or for more fields, how do you want to collect the …

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Validation chains are created by the check() functions, and they can be used in a few ways: as express.js route handlers, which will run the validation automatically; as parameter of some of …

Validation chains not only have a number of useful methods for defining validations and sanitizations, but they are also middleware functions, meaning that they can be passed to any …

The check() function is the main API used for validating and sanitizing HTTP requests with express-validator. It gives you access to all of the built-in validators, sanitizers, and a bunch of …

This is documentation for express-validator 6.1.0, which is no longer actively maintained.

All validators listed by validator.js are made available within a Validation Chain, and are called "standard validators" in express-validator. This means you can use any of those methods, e.g. …

checkSchema() returns a middleware, which makes it ideal to pass to an express.js route. But since it also implements the ContextRunner interface, you can also run it manually, if you wish.

This is documentation for express-validator 6.8.0, which is no longer actively maintained. For up-to-date documentation, see the latest version ( 7.2.0 ). Features