Top 592 validation open source projects

Model layer for Meteor

📝 A library for data validation.

🤖 An easy to use form validator for Kotlin & Android.

Models and Collections for Vue

Simple, smart and pleasant validation solution.

The official Firely .NET SDK for HL7 FHIR

Golang package for email validation

PHP receipt validator for Apple iTunes, Google Play and Amazon App Store

An express.js middleware for validator.js.

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

SwiftCop is a validation library fully written in Swift and inspired by the clarity of Ruby On Rails Active Record validations.

PHP Standalone Validation Library

Accord: A sane validation library for Scala

Parameter Validation & Type Coercion for Sinatra

[Go] Package of validators and sanitizers for strings, numerics, slices and structs

A light-weight, flexible, and expressive pandas data validation library

Python 3.5+ runtime type checking for integration testing and data validation

⁉️轻量级的 JavaScript 表单验证，字符串验证。没有依赖，支持 UMD ，~3kb。

Custom Field component with validation for creating easier form-like UI from interface builder.

BunnyJS - Lightweight native (vanilla) JavaScript (JS) and ECMAScript 6 (ES6) browser library, package of small stand-alone components without dependencies: FormData, upload, image preview, HTML5 validation, Autocomplete, Dropdown, Calendar, Datepicker, Ajax, Datatable, Pagination, URL, Template engine, Element positioning, smooth scrolling, routing, inversion of control and more. Simple syntax and architecture. Next generation jQuery and front-end framework. Documentation and examples available.

A declarative validation errors module for reactive forms.

Runtime type system for IO decoding/encoding

A fast golang library for MIME type and file extension detection, based on magic numbers

A Swift framework for parsing, formatting and validating international phone numbers. Inspired by Google's libphonenumber.

A high-performance, extensible argument validation library.

GraphQL query complexity analysis and validation for graphql-js

Digital Signature Service : creation, extension and validation of advanced electronic signatures

Data validation, serialization, deserialization & form rendering. 🔢

Indicative is a simple yet powerful data validator for Node.js and browsers. It makes it so simple to write async validations on nested set of data.

A serialization/deserialization/validation library for strings, mappings and lists.

Technical specifications and guidelines for implementing Frictionless Data.

Validate GraphQL fields

☑️ JavaScript fluent validation library

📋 React Hooks for form state management and validation (Web + React Native)

⚔ Go package for data validation and filtering. support Map, Struct, Form data. Go通用的数据验证与过滤库，使用简单，内置大部分常用验证、过滤器，支持自定义验证器、自定义消息、字段翻译。

🏗️MSON Lang: Generate an app from JSON

Language-agnostic HTTP API Testing Tool

CheckBox, Radio Button, Labeled Slider, Dropdowns etc.

A set of useful Laravel validation rules

PySchemes is a library for validating data structures in python

Elegant and composable validations

📐 Validating data structures against a given Schema.

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

Easily integrate Credit Card payments module in iOS App. Swift 4.0

🛂 A result type that accumulates multiple errors.

A proxy that validates responses and requests against an OpenAPI document.

A simple JavaScript validation library that doesn't interfere

Validação de CPF, CNPJ, CNH, NIS, Título Eleitoral e Cartão Nacional de Saúde com Laravel.

✔️ A text and input validation library in Kotlin for Android

String validation

The most powerful data validation library for JS

Swagger 2.0 and OpenAPI 3.0 command-line tool

✔ SQL Server Environmental Validation

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

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

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

Portable validations for Kotlin

A simple jQuery plugin to validate forms.

Function argument validation for humans

A mini Scala utility library