Validation Packages

Run time type validation, transformation, and error generator that works out of the box on primitives, objects, arrays, and nested objects. Also extensible for custom types.

Easily validate deep form structures using both premade and custom validation rules.

Use convict with dotenv to build config

allows easy type enforcement for all JS types objects and classes. it is also extensible and provides simple to use type checks for your own custom classes and types

Simple library for modeling, parsing and validating your data

Validates if an input has a digit

An automatic validation module for AngularJS which gets rid of excess html in favour of dynamic element modification to notify the user of validation errors

A simple way to validate tracking number for the following couriers.

Validate email address using Mailgun's APIs

JavaScript Form Validation. Made Easy

Angular input file size directive

🍀 Clover: The Command-Line Validator

> A zero-dependency React Hook to show and get the brand from a card type.

Lightweight yet powerful schema validator

Data type registry for runtime validation, reflection and binding.

Credit Card validation using luhn algorithm

check an Array for contiguous elements matching a predicate

<p align="center"> <img width="100%" height="300" src="./logo.png" alt="Svelte Formly" /> </p>

POSIX/GNU compliant CLI argument parser

A drop in extension replacing error labels from jQuery Validation plugin with Twitter Bootstrap tooltips