Repository Index

Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers.

A lightweight library for converting complex objects to and from simple Python datatypes.

• serialization
• deserialization
• validation
• python

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

• validation
• types
• interface
• structs

The most awesome validation engine ever created for PHP

• php
• validation
• validation-engine
• fluent-interface

A C++20 library for fast serialization, deserialization and validation using reflection. Supports JSON, Avro, Boost Serialization, BSON, Cap'n Proto, CBOR, Cereal, Command line interfaces, CSV, Environment variables, flexbuffers, msgpack, parquet, TOML, UBJSON, XML, YAML, yas / msgpack.org[C++20]

A rule-based validation library for Swift

Compose your business logic into commands that sanitize and validate input.

A Meteor package that extends Mongo.Collection to provide support for specifying a schema and then validating against that schema when inserting and updating.

• hacktoberfest
• meteor
• schema
• mongodb

Complete instrumentation for clojure.spec

• clojure
• spec
• instrument
• defn-spec

Ember computed property based validations

• ember
• ember-addon
• validations

🦩 Joi like validations for TypeScript

• validation
• typescript
• runtime
• strongly-typed

:credit_card: ruby gem for validating credit cards, generating credit card numbers, Luhn checks

• credit-card
• validation
• e-commerce
• rails

Elixir library that provides macros which allow you to encapsulate business logic and validate incoming parameters with predefined contract.

• elixir
• coercion
• ddd
• operation-invocation

library and command line tool that validates a CSV file

A simple, lightweight and powerful field validation library for Android.

• android
• android-library
• annotations
• java

🔥Deep Waters is an easy-to-compose functional validation system for javascript developers 🔥

• javascript
• validation
• validation-library
• validators

JSON Schema Compiled checK

Validate and sanitize arrays and objects.

• aura
• php
• filter
• validation

Lean JSON Library for Java, with a compact, elegant API.

If you are just starting out on a new project I recommend using https://github.com/adamralph/liteguard instead of conditions. Especially if using in a mobile application, less allocations and better performance. This project is deprecated and needs a new maintainer. Contact me if you want to take over.

[READ-ONLY] Validation library from CakePHP. This repo is a split of the main code that can be found in https://github.com/cakephp/cakephp

A Common Lisp library for handling Web API requests and responses.

• openapi3
• common-lisp
• web
• validator

Decorators for Component and Object arguments in Ember

:heavy_check_mark: General purpose validation library for Common Lisp

• utilities
• validation
• lisp
• common-lisp