validation

The missing drop-in solution for realtime remote form validation in Rails.

PySchemes is a library for validating data structures in python

🦩 Joi like validations for TypeScript

Elegant and composable validations

Robust Frontend Forms Validation, inspired by Laravel Validation, Built for Simplicity of Use 🍬

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

A small, simple, and fast JS validator. Like, wow that's fast. 🚀

Validot is a performance-first, compact library for advanced model validation. Using a simple declarative fluent interface, it efficiently handles cla...

Object-oriented, composable, fluent API for writing validations in Laravel

Robustly checks an array of URLs for liveness. Extremely fast ⚡

Command line tool to validate HTML5 files. Great for continuous integration.

Configurable API gateway that acts as a reverse proxy with a plugin system.

Validates european vat numbers. Standalone or as a ActiveModel validator.

A simple JavaScript validation library that doesn't interfere

Micro toolkit for Clojure/Script errors

Valit is dead simple validation for .NET Core. No more if-statements all around your code. Write nice and clean fluent validators instead!

Lightweight and Extensible Infrastructure for Building Web Applications - Web Application Framework

Asynchronous type validation for node and the browser

A simple jQuery plugin to validate forms.

A simple schema/attributes library built on top of modern JavaScript

🛠️ Tools for working with data effectively - data contracts using types, schemas, domain validation rules, type-safe casting, and more.

Ruby API for parsing and generating ASC X12 EDI transactions

A mini Scala utility library

ASP.NET Core - Transform server-side validations to client-side without writing any javascript code. (Compatible with Fluent Validation)

Validates password according to flexible and intuitive specification

A simple react form validator inspired by Laravel validation.

Static and runtime type assertion library with no dependencies

Native C++ validator built on simdjson and RE2. Hybrid JS codegen with V8 TurboFan optimizations. Up to 94x faster on $dynamicRef, 5.3x on normal sche...

:credit_card: ruby gem for validating credit card numbers, generating valid numbers, luhn checks

Up to 45x faster. Auto generate type-safe validation code for structs based on markers.

Lightweight and feature-rich PHP validation and filtering library. Support scene grouping, pre-filtering, array checking, custom validators, custom me...

Validate your env variables using Ajv and dotenv

Validate email for common typos and one-time email providers

Aplus Full-Stack Framework

A set of packages and tools for working with OpenAPI, Swagger, Arazzo and Overlay Specification documents.

RAVEN is a flexible and multi-purpose probabilistic risk analysis, validation and uncertainty quantification, parameter optimization, model reduction...

Options Validation

Customizable and hackable json-validator and json-schema utilities for traversal, data generation and validation

😎 📋 React hooks for forms state and validation, less code more performant.

AiForms.Effects for Xamarin.Forms

JSON (de)serialization, GraphQL and JSON schema generation using Python typing.

Credit Card Validation

String (and more) validation for iOS

Convert class-validator-decorated classes into JSON schema

☎️ Adds a phone number validation check to yup validator using google-libphonenumber

:100: 简单灵活的表单验证插件，支持小程序、浏览器以及 Nodejs 端使用

Red hot form validation for React 🌶

🎓 deprecated general purpose python data validator

TypeScript Declarative Validation for Joi

Phantom types for Python.