Shorter Active Record validations and associations with RSpec and shoulda support

A gem for Ruby Rails client side validations.

This gem contains a module of regular expressions objects for consistent validation and business logic.

Includes email and presence validations.

Adds model validations to the host application

This simple_restricted_attributes plugin/gem provides the capabilities to restrict attributes(fields) of db table's while add or update a record. It validate your attributes values before your validation stuff.

Validate the phone number and content of an SMS Message. This gem does not send SMS messages. It just makes sure the arguments are valid.

Object mutations that encapsulate business logic. RubyMutant makes it simple to add complex logic to objects, in with automatic validation and execution.

Parameters validation and coversion.

The SDK allows framework independent two-factor authentication for your web application. Client handles both token generation and validation.

In this version, this toolkit allows the generation, validation and formating of CPF's and CNPJ's. For now, the use is exclusive to Brazil.

A schema language / type system / validation framework, for semi-structured data and for data in dynamic languages

The `Type` gem provides tools for type-validation and type-casting, and is useful for ensuring well-formed messages are passed to external APIs/

uc_student_number validation for ActiveModel

A simple UC student number code validation gem

Validate that a column is a valid unit of measurement

A minimal endpoint for driving server-side validations from a remote UI

Simple adapter for jquery client-side validation. Idea was stollen from ASP.NET MVC

Takes the Instruction Input as Rule, parse the CSV files and applies the validation and returns valid and invalid units

Tiny implementation of the command pattern, including input validation, using Scrivener.