IBAN + SWIFT/BIC: Information, Validation and Formatting.

Membrane provides an easy to use DSL for specifying validation logic declaratively.

Checks required env variables and its format using dotenv and .env.sample files. Sample files include validation documentation which is interpreted and used to validate your environment.

LHS ia a Rails-Gem, providing an ActiveRecord like interface to access HTTP-JSON-Services from Rails Applications. Special features provided by this gem are: Multiple endpoint configuration per resource, active-record-like query-chains, scopes, error handling, relations, request cycle cache, batc...

Headhunter is an HTML and CSS validation tool that injects itself into your Rails feature tests and automagically checks all your generated HTML and CSS for validity. In addition, it also looks out for unused (and therefore superfluous) CSS selectors.

This gem preps a new Rails app with some of the best Rails gems and Jquery sweetness available( Twitter-Bootstrap, Devise, CanCan, Rails Admin, Spreadsheet, ) Not only does it takes care of the installation of these gems, it also extends your scaffolds to give aesthetically improved views. Furthe...

This library helps validate attributes to specific types in the same way that ActiveModel valiations work. Able to chain additional modifiers to each validation.

Handles application errors and model validations

A Ruby Library for dealing with validation cryptocurrency adresses.

Easily add Judge client side validation to your SimpleForm forms.

Swift code validation and lookup Ruby gem

Keep your code DRY by inferring column validations from table properties! Automagically validate presence, length, numericality, inclusion and uniqueness of ActiveRecord backed columns.

Validate iTunes Transaction and Unified style receipts with local decoding and remote validation.

Provides JSON Schema validation for ElasticGraph.

Generate json-schema from plain Ruby classes with ActiveModel integration for validations and serialization.

Decode iTunes OS X and iOS receipts without remote server-side validation by using the Apple Inc Root Certificate.

An object that works with form_for that encapsulates validations and data management, leaving the business logic up to your testable old self.

Explicit parameters validation and casting for Rails APIs

FlowChat is a Rails framework for building sophisticated conversational interfaces across USSD and WhatsApp platforms. Create interactive flows with menus, prompts, validation, media support, and session management. Features include multi-tenancy, background job processing, built-in simulator f...

This plugin adds extra validations to a host.