validation

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

Data validation using Python type hints

String validation

The most powerful data validation library for JS

:100:Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving

structured outputs for llms

A Higher Order Component using react-redux to keep form state in a Redux store

Decorator-based property validation for classes.

A configuration as code language with rich validation and tooling.

✅ Painless Vue forms

The modular and type safe schema library for validating structural data 🤖

CakePHP: The Rapid Development Framework for PHP - Official Repository

For entering, formatting, and validating international telephone numbers. Available in vanilla JavaScript, or as React, Vue, Angular, and Svelte components.

🏁 High performance subscription-based form state management for React

The home of the CUE language! Validate and define text-based and dynamic configuration

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

The most awesome validation engine ever created for PHP

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

Phone number functionality for Laravel

A generalised Result object implementation for .NET/C#