Rails gem that implements an ActiveRecord validation helper called validates_as_phone_number which validates U.S. phone numbers

Rails gem/plugin that implements a series of ActiveRecord validation helpers

CPF validation for ActiveModel

This gem allows you to create use cases with ActiveModel validations and keep your model clean

RSpec matches for Nobrainer models, including association and validation matchers.

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.

Data structure to hold validation and process errors

Provides more advanced and flexible 'if then then that' style conditional validation. Validate fields based on the values of other fields in your model.

Implements in-app purchase data parsing, signature validation,

Client-side HTML form validations

No ActiveRecord or Dry-Validation, just plain parameters.

UsStatesData is a versatile Ruby gem designed to simplify working with US state data. Whether you're building a geographic application, conducting data analysis, or enhancing your project with location-based features, UsStatesData provides a comprehensive set of methods to streamline your workflo...

Used to validate a number is odd or even or palindrome

JekyllFileWizard is a comprehensive gem designed to streamline the management and dynamic updating of Jekyll site structures. It automates the process of checking, creating, and updating various files in a Jekyll project, including HTML files, data files, and more. The gem offers features like dy...