Top 185 validator open source projects

Parameter, query, form data validation and filtering for NodeJS.

Easy-to-use, Highly Configurable Python Data Validator. Inspired by Laravel Validator

The easiest way to validate your forms without 3rd party packages

Full Documentation of Notional's systems

Here is a schema checker which can return well typed results. Tell your friends!

Go语言的数据过滤包，由 数据输入、格式化、校验、输出 几个部份组成。

Rule based data validation library for python 3.

🚀 Pre-flight checks for ECS Exec

Validation and transformation library powered by deductive ascending parser. Made to be extended for any kind of project.

A library to validate OpenUI5 fields

Validation library for node.js

Aplus Framework Validation Library

Saudi-ID-Validator (Swift, Kotlin, Java, Go, JS, Python, TypeScript, PHP, Scala, ruby, c#, vb, SQL)

A validation library for PHP that uses the notification pattern

UE4 UI Texture Validator Plugin

Validate BPMN diagrams based on configurable lint rules.

useful micro check library for Crystal Language.

Useful library for validation of Bitcoin, Litecoin, Ethereum and other cryptocoin addresses

Persianize is set of nodejs tools for validating and converting data to correct Persian.

Package to validate a vat id via the api of the european union (vies)

💎 Data validation module for Crystal lang

Build Node.js APIs from the command line (Dead Project 😵)

SpaceAPI JSON schema files.

Checksum validator for New Zealand's IRD/GST number.

A fast minimal module to validate Nigerian mobile phone numbers using Regular Expressions.

struct 验证器，内置大部分常用验证，可自定义

validate-framework：一款轻量、无依赖的 JavaScript 验证组件

Inpsyde Validator library

Android library to make form validation easier

Validation library. Fluent syntax in Java, mini DSL in Kotlin

A Python library for variable type checker/validator/converter at a run time.

Yii validator library

A Simple PHP Roman Numerals Library

Advanced validation library for Javascript & React | Inspired by laravel validation

A TypeScript validation library capable of inferring types

Node-Module to validate your model against a swagger spec and receive in-depth error traces

Easy and concise validations for Express routes

An awesome tour booking web app written in NodeJS, Express, MongoDB 🗽

Lightweight and powerfull library for declarative form validation

The GitHub CODEOWNERS file validator

volder is powerful Object schema validation lets you describe your data using a simple and readable schema and transform a value to match the requirements

ZUgferd validator using Verapdf

OpenSSH public key parser for Python

VValidator - Go validator library.

UTF-8 Validator

Simple implementation of Iranian national code validation

Simple Validator is an awesome and easy to use validator for php

🔥 Concurrently execute your validators in a simple, practical and light validator engine.

Simple, reliable FHIR validator

Data validator

Generate fake, valid numbers. Check if a number is valid. Support a lot of different numbers: Credit card, EAN, ISBN, RTN, VIN, etc.

Tiny and Powerful Library for limit an entry (text box,input) as number,string or more...

Makes one or more attributes mandatory inside a set of attributes.

iOS validation framework with form validation support

Developer experience focused validator.

Simple standalone data validation library inspired by Laravel and Symfony

Framework for safe and maintainable web-projects.

Gulp plugin for HTML validation, using the official Nu Html Checker (v.Nu)

Create validations with ease

A cron-expression validator for TypeScript/JavaScript projects.