Validation

Simple runtime TypeScript validator library

A [JSONSchema](https://json-schema.org/) validator that uses code generation to be extremely fast.

Validate JSON

Check if a string is a valid JavaScript expression

Another JSON Schema Validator

All schemas used for validation that are shared between our projects

Returns true if a windows file path has invalid characters.

express-validation is a middleware that validates a request and returns a response with errors; if any of the configured validation rules fail.

A type checking library where each exported function returns either true or false and does not throw. Also added tests.

Brazilian personal documents validation - cpf, cnpj, titulo, pis/pasep, cnh, renavam, processos judiciais, protocolo federal, código de rastreamento dos correios

A small lib to validate IP addresses.

The modular and type safe schema library for validating structural data

Custom React PropType validators that we use at Airbnb.

Object schema validation

For use with React PropTypes. Will error on any prop not explicitly specified.

JSON Schema validation for Human

Validate any Bitcoin address - P2WSH, P2WPKH, P2SH, P2PKH - Mainnet & Testnet

Common lib for swagger validation

Check if a string is an IP address

validate form asynchronous

Checksum validator

Validation utilities

Extended validation plugin adds support for writing GraphQL validation rules, that has access to all `execute` parameters, including variables.

Loosely validate an event.

Detect if a string is a data URL

This n8n community node validates input data using JSON Schemas.

Returns true if a file path does not contain any invalid characters.

Validates if a value is an array.

Universal validation adapter that integrates various validation libraries like Zod, Valibot, and Yup

Validates if a value is a function.

Validation plugin for FormKit

Resolve a relative path against a root path with validation

Swagger 2.0 and OpenAPI 3.0 parser and validator for Node and browsers

Validates if a value is an integer.

Validates if a value is a number.

Validates mint.json files

A JSON schema validator that will run on Cloudflare workers. Supports drafts 4, 7, 2019-09, and 2020-12.

Validates if a value is an integer array.

Validate form asynchronous

Function argument validation for humans

Validate an email address according to RFCs 5321, 5322, and others

Provides a fast, pretty robust e-mail validator. Only checks form, not function.

Check if a string is a scoped npm package name

Parse, validate, traverse, transform, and optimize Oniguruma regular expressions

Express middleware for the validator module.

User validations for npm

JSON Schema validation for Human

mjml-validator

Convert Markdown to valid React Email template code.

A tiny javascript type testing tool