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Top 592 validation open source projects

Structure
A simple schema/attributes library built on top of modern JavaScript
Laravel Postal Code Validation
Worldwide postal code validation for Laravel and Lumen
Forms
📝 Generating, validating and processing secure forms in PHP. Handy API, fully customizable, server & client side validation and mature design.
Fluentresults
A generalised Result object implementation for .NET/C#
Valiktor
Valiktor is a type-safe, powerful and extensible fluent DSL to validate objects in Kotlin
Validate
Professional data validation for the R environment
Async Validate
Asynchronous type validation for node and the browser
Creditcard.js
A simple credit cards validation library in JavaScript
Email inquire
Validate email for common typos and one-time email providers
Pt Br Validator
Uma biblioteca contendo validações de formatos Brasileiros, para o Laravel
Jsonschema
An implementation of the JSON Schema specification for Python
scrupulous
Simple inline form validation using HTML5 attributes that plays nicely with Bootstrap
FluentValidation.Extensions.Br
An extension of the fluent validation with a set of Brazilian validations
ngx-messages
Angular directives for displaying validation messages similar to these from AngularJs
valid-data-url
Detect if a string is a data URL
validate
Modern lightweight library without dependencies for the data validation from single input tag
js-form-validator
Javascript form validation. Pure JS. No jQuery
strickland
Strickland is a JavaScript validation framework with a focus on extensibility and composition
is-valid-domain
Validate domain name in JavaScript
nexus-validate
🔑 Add argument validation to your GraphQL Nexus API.
apple-receipt
Apple InAppPurchase Receipt - Models, Parser, Validator
flask-pydantic
flask extension for integration with the awesome pydantic package
fefe
Validate, sanitize and transform values with proper TypeScript types and zero dependencies.
ttv
A command line tool for splitting files into test, train, and validation sets.
validator
💯Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving
webargs-starlette
Declarative request parsing and validation for Starlette with webargs
xrechnung-schematron
Schematron rules for the German CIUS (XRechnung) of EN16931:2017
laravel-pwned-passwords
Simple Laravel validation rule that allows you to prevent or limit the re-use of passwords that are known to be pwned (unsafe). Based on TroyHunt's Have I Been Pwned (https://haveibeenpwned.com)
validation
Validation on Laravel 5.X|6.X|7.X|8.X
Swiftz-Validation
A data structure for validations. It implements the applicative functor interface
oolong
oolong 🍵 : create and administrate validation tests for typical automated content analysis tools.
onixcheck
ONIX validation library and commandline tool
thai-citizen-id-validator
🦉 Validate Thai Citizen ID with 0 dependencies 🇹🇭
NeverBounceAPI-PHP
This package provides convenient methods to integrate the NeverBounce API into your project.
validation
Validation in Ruby objects
checker
Golang parameter validation, which can replace go-playground/validator, includes ncluding Cross Field, Map, Slice and Array diving, provides readable,flexible, configurable validation.
i18n-tag-schema
Generates a json schema for all i18n tagged template literals in your project
validation-components
A collection of common validation predicates for ValidationToolkit framework
prop-types
Fluent prop validation for Vue
typesentry
Python 2.7 & 3.5+ runtime type-checker
php-assert
Fast flexible php assert
flaskerk
A flask extension for api doc and validation of request&response.
array-validation
Validation utilities for array structure
yform standalone validator
YForm-Erweiterung: Validieren von PHP Arrays ohne HTML-Formular
ValidatedTextInputLayout
An extension to Android Design Support library's TextInputLayout with integrated validation support
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