JSPM

ReactJS Library, with which you can build forms with automatics validates.

An event based jQuery plugin for client-side validation of html forms.

Check if a string is a scoped npm package name

**Form Validator** is a powerful JavaScript/TypeScript library designed to validate various types of fields in HTML forms. It supports input fields such as `text`, `email`, `tel`, `password`, as well as file types like `images`, `PDFs`, `Word documents`,

A helper to enable TinyMCE support when using JQuery Dirty Forms.

Declarative validations for JavaScript

Test if an object has a specified property.

Test if a value is object-like.

ESLint shareable config for the Google style

Return a function which tests if every element in an array passes a test condition.

Parse, normalize and validate given semver shorthand (e.g. gulp@v3.8.10) to object.

A collection of validators for Angular Reactive Forms. This library is dependent on Angular only

A simple and composable way to validate data in JavaScript (and TypeScript).

Test if a value is a regular expression string.

Test if a value is a string.

A simple way to validate forms!

Test if a value is a regular expression.

ESLint shareable config for XO

Test if a value is a function.

JavaScript/TypeScript linter (ESLint wrapper) with great defaults

Test if a value is a Float64Array.

A module to enable automatic Facebox dialog support when using JQuery Dirty Forms.

Test if a value is a Uint32Array.

Test if a value is a plain object.

Validate domain name

Superfast runtime validators with only one line

Test if a value is a Float32Array.

Test if a value is an object.

Test if a value is a number.

A module to enable automatic jQuery UI dialog support when using jQuery Dirty Forms.

Test if a value is a Uint8Array.

Swagger 2.0 and OpenAPI 3.x parser and validator for Node and browsers

Validate html forms.

Test if a value is a Uint16Array.

Validate your env variables using Ajv with .env file support using Node.js built-in parseEnv

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

remark plugin to lint Markdown code style

Is given string a language code (as per IANA)

This NPM package helps to validate your frontend forms using validation rules, sophisticated regular expressions and form input attributes in React JS.

Easily validate Mithril.js forms, models, and objects.

ESLint shareable config for TypeScript to be used with eslint-config-xo

Toolkit for dealing with GROQ-powered webhooks delivered by Sanity.io

Collection of 70+ type, feature & value checks

Swagger 2.0 and OpenAPI 3.0 command-line tool

Provides a regex that can be used to test if a string is a valid NPM package name.

Minimal library for Ethereum transactions, addresses and smart contracts

Map all the things, check all the maps

A library for field validation and form submission.

A flexible forms validation plugin, that's easily extensible via plugins.

Check if a string is an IP address

Validate files with ESLint

Stylish reporter for JSHint

Validation library for Kubernetes models.

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url]

Javascript validator for UUID versions 1 through 5

Form validator for Zustand

Angular validators is an easy way to validate formControls, arrayControls and files controls, this package supports to reactive forms

Fix up the end of a partial JSON string to create valid JSON.

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

Quick and easy Smarty address validation.

ESLint shareable config for React to be used with eslint-config-xo

Check if a Node.js Buffer or Uint8Array is UTF-8

A module to enable automatic PNotify dialog support when using jQuery Dirty Forms.

ESLint shareable config for XO with 2-space indent

The fastest JS validator library for NodeJS

An unopinionated and configurable linter and style checker for Pug (formerly Jade)

Check if a string is a valid filename

remark plugin to validate links to headings and files

JSON-Schema draft-04 plugin for djv package

allows easy type enforcement for all JS types objects and classes. it is also extensible and provides simple to use type checks for your own custom classes and types

Official validator for AMP HTML (www.ampproject.org)

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-im

Minimal ESLint formatter (reporter) that displays only one summary line.

Validates an IRI according to RFC 3987

Clean featherweight state validation

dynamic json-schema validator

SheerID JavaScript Library

Parse, validate, manipulate, and display dates

Detect and validate file types by their signatures (✨magic numbers✨)

Javascript data validator for use with user input from web forms, APIs, etc.

Build a Yup schema object to validate models from a domain model schema (JSON or GraphQL)

The parser package for the Powertools for AWS Lambda (TypeScript) library.

Validate hostname based on RFC-1123

Validation library inspired by Laravel's Validator

Common code for jest-openapi and Chai OpenAPI Response Validator

A pretty Stylelint formatter.

Test if a value is NaN.

Validate GraphQL fields

module for validate forms from html

Vue and Nuxt 2/3 isomorphic JSON editor, viewer, formatter and validator.

Jest matchers for asserting that HTTP responses satisfy an OpenAPI spec

Validate object properties in javascript.

Validates if a value is a nonnegative integer.

Validate ascii and unicode values.

Checks that given package is installed globally or locally.

Angular custom directives for validation

Schema-Inspector is a powerful tool to sanitize and validate JS objects.

Test if a value is a Uint8ClampedArray.

Typesafe JSON (Schema) validator with magic powers 🧙‍♂️

A JSON decoding library for Typescript

Validates if a value is a number primitive and an integer.

Test if a value is an Int16Array.

Validate or fix code that doesn't adhere to EditorConfig settings or infer settings from existing code.

Test if a value is an Int32Array.

Validation Forms

A self-validating React form component

A package for detecting all duplicated property keys of a JSON string.

A Pothos plugin for adding schema based validation

Assert a given object is a valid glob option

broccoli filter that runs eslint

Test if an object's own property is enumerable.

Standard assertion utilities.

Validates if a value is a string primitive.

Test if a value is a collection.

Test if a value is an Int8Array.

Put non-empty strings into arrays, turn empty-ones into empty arrays. Bypass everything else.

Validates if a value is matrix-like.

Validate glob options

Validates if a value is a number primitive, excluding NaN.

Regular expression for matching email addresses

Test if a value is an arguments object.

Json Schema Type Builder with Static Type Resolution for TypeScript

allows easy type enforcement for all JS types objects and classes. it is also extensible and provides simple to use type checks for your own custom classes and types

Map all the things, check all the maps

Check whether a binary version satisfies a semver range

Validates if a value is array-like.

Create an error from the result of validate-glob-opts

An Express middleware to validate requests against JSON Schemas

Validates namespaces and java package names against identifier rules

A distributed maintained collection of patterns that indicate that something probably is secret

Skema provides a handy & composable way to validate / transform / purify the input data.

Stream-based library for parsing and manipulating subtitles

React components for [Stripe.js and Elements](https://stripe.com/docs/stripe-js).

Validates if a value is a Buffer object.

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-im

Validates if a value is ndarray-like.

code > prettier > stylelint > formatted code

Validates if a value is a positive integer.

React spreadsheet import for xlsx and csv files with column matching and validation

Test whether a value has in its prototype chain a specified constructor as a prototype property.

Test if a value is an ArrayBuffer.

Test if a value is a complex number-like object.

Validate JSON files from grunt.

Validate and format function arguments ( handles types and optionals)

Test if a value is an Error object.

A Pothos plugin for adding argument validation

Browser-friendly enhanced util fully compatible with standard node.js

Compile TypeScript interfaces into a description that allows runtime validation

Javascript type validate

Type check values: `is.string('🦄') //=> true`

Generate Typebox schemas from Drizzle ORM schemas

Sanitize a string for use as a filename

Minimal JavaScript type checking library

Assertions and Validations for TypeScript

Test if a value is an array-like object.

Library for validating, parsing, and formatting data against open api schemas.

Schema validator for yaml files

Validate the type of arguments passed through the function.

Test if a value is a Complex64Array.

Detailed HTML reporter for ESLINT.

Test if a value is typed-array-like.

Test if an array-like object supports the accessor (get/set) protocol.

a lightweight form validator that base on validator-core.

Test if a value is a Complex128Array.

Configurable, input validated routing for koa.

[](https://www.npmjs.com/package/@duplojs/zod-accelerator)

Use Chai to assert that HTTP responses satisfy an OpenAPI spec

Sanely validate email addresses, based on HTML5's definition of email addresses

Validates if a value is a JavaScript object.

Validates if a value is undefined.

Utils library to use with the Smarty Javascript SDK

Manipulate and convert Jalali and Gregorian date easily

Check if the given value is of the particular type or types.

A regular expression that only matches a valid Github username

Test if a value is an array-like object of numbers.

TypeScript / JavaScript library for detect WebAssembly features in node.js & browser

Lint your branch names

Utilities for formatting and linting a Dockerfile.

Amplify GraphQL @validate transformer

Return a function which tests if every element in an array-like object passes a test condition.

angular2 validation

A tiny and fast dynamic type checker/enforcer library

⛑️ JSON serialization should never fail

Client-side form validation made easy

🇫🇷 A parser / validator for French Social Security Number

Validates if a value is a nonnegative integer array.

Create a GitHub check + annotation.

Validates embedded examples in OpenAPI-JSONs

Mongoose plugin to validate that ObjectID references refer to objects that actually exist in the referenced collection

angular credit card library

objection-unique

Fully typed set of utility functions to parse, validate and generate a Chilean R.U.T. Set de funciones utilitarias para generar, procesar y validar un R.U.T. Chileno completamente tipado.

General-purpose validator for ngModel.

validate plugin for egg

TypeScript Declarative Validation. Decorate your class properties to validate them using Joi.

Simple package to validate a german tax ID (Steuerindentifikationsnummer)

Validate the name of a custom element

Png validator checks Png files for corruption

Check the image file of a Buffer/Uint8Array that matched expected image MIME-type.

Test if a value is an array of probabilities that sum to one.

Angular custom directives for validation

Test if a value is a probability.

Stylish reporter for CoffeeLint

Validates ABA Routing Numbers

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

Check whether a string is a valid HTTP URL

See ESLint errors and warnings directly in pull requests

Tools for verifying/fixing code style based on an EditorConfig file

Angular custom directives for validation

Powerful, Easy-to-use form package

Generate valibot schemas from Drizzle ORM schemas

Noir ESLint shareable config

Process and validate options for your module.

Validates if a value is a boolean primitive.

The best validation library for JavaScript

ESLint shareable config for the HTML Academy style

A koa params validate middleware.

The ultimate ESLint shareable config

Validators for mongoose models utilising validator.js

The best validation library for JavaScript

The best validation library for JavaScript

Check that given value is valid hex color, using `hex-color-regex` - the best regex for matching hex color values

A PouchDB plug-in that allows you to re-use your CouchDB validate_doc_update functions on the client side.

Validation utilities

The best validation library for JavaScript

The best validation library for JavaScript

The best validation library for JavaScript

Type check values. This is a fork of sindresorhus/is, but with CommonJS support.

A rehype plugin to inspect, validate, or rewrite URLs anywhere in an HTML document

Second generation object or request validator for node.js

Validate a JSON stream or file

The best validation library for JavaScript

The best validation library for JavaScript

The best validation library for JavaScript

Stylelint shareable config for XO

JSON Schema validator

The best validation library for JavaScript

simple module for validate forms

Test if a double-precision floating-point number is a probability.

The best validation library for JavaScript

The best validation library for JavaScript

The best validation library for JavaScript

Simple form validation using JSON Schema and AJV

Validation library for html forms.

The best validation library for JavaScript

The best validation library for JavaScript

The best validation library for JavaScript

The best validation library for JavaScript

A tiny, composable and battle-tested utility library to validate string inputs, typically used in forms.

Validate & sanitize social links