A data validation library providing a rule-based schema definition language. For checking (incoming) data against a specified schema definition. GDS stands for General Data Structure.

A rake task for the git-validation tool

A simple set of validations I got tired of writing over and over and over again.

Provides an extensible hook for adding custom html attributes to input elements based on validation rules defined in your model.

Simple validation of params with a concern

MobilityUniqueness extends the Mobility gem with locale-specific uniqueness validation for translated attributes in ActiveRecord models. It allows you to ensure that a given attribute, such as `name` in different locales, is unique within the specified locale. By using this va...

Validations for Argentinian specific information

Ruby wrapper for Experian Address Validation API

A simple gem that adds a validate_before method to Thor, allowing pre-command validations

ShipEngine's easy-to-use REST API lets you manage all of your shipping needs without worrying about the complexities of different carrier APIs and protocols. We handle all the heavy lifting so you can focus on providing a first-class shipping experience for your customers at the best possible pri...

Common usage for Taiwan validation

The purpose of this library is to provide a framework for defining and executing complex workflows as a series of actions, with robust error handling, validation, and state management. By extending or inheriting from the library's classes and modules, developers can create flexible and maintainab...

A Ruby implementation of the General Gameplay Notation (GGN) specification. GGN is a rule-agnostic, JSON-based format for describing pseudo-legal board-to-board transformations in abstract strategy board games. This library provides parsing, validation, and evaluation capabilities for GGN documen...

This is an improved input function for Ruby. Using this gem, you can easily get user input with real-time type validation, ensuring that the data provided is as expected, among other things. If you have any questions, check the documentation: https://github.com/barrosflavio/ruby_better_inpu...

Tracks each validation error, providing an aggregate to identify UI issues

phone_validator makes phone validation natural for ActiveModel 3+ objects. Validation using global_phone.

Client Side Validations for Rails 4

Validate graphql-ruby arguments easily with dry-validation

Performs k-fold cross-validation on machine learning classifiers.

Some useful validators for sexy validation.