This validator uses modern email validation with URI to handle the nuances of checking email throughout your application. Rather than customizing a bunch of random regex that you found on various stack overflow pages, this lets you include a single validator throughout your entire application. It...

A clean, minimal Ruby implementation of Style Name Notation (SNN) for abstract strategy games. SNN provides a consistent and rule-agnostic format for identifying piece styles, enabling clear distinction between different piece traditions, variants, or design approaches within multi-style gaming e...

Make hash-based object initialization easy! Provides hash_make method that can consider parameter name, type, default value, validation, and requiredd/not, according to the specification provided. Also, by default assigns by default to instance variable of same name as parameter.

Even Rails can't be trusted not to produce malformed xml sometimes. Add this Rack middleware to the stack while you run your tests and it will monitor the responses you send, infer the appropriate validations based on content type, and raise if they fail.

Defines the skills cards data model and methods to validate whether given data matches this model.

A useful utility for transforming state that provides step sequencing, middleware, and validation.

Basically based on RFC 5322, with some additional validations so it works on almost all variety of systems.

Build associations & validations specs automatically with shoulda-matchers

Extend your Rails forms with character countdown fields easy with just setting validations to your models.

Adds a new validation for ActiveRecord, 'has_unpublished_password'

Need a simple, consistent way to create model instances and check validations in your ActiveRecord 3.1+ tests? Use the Modelizer. Just don't trust the docs, since lots changed in 5.x and I got lazy.

Interactor + Form Object + ActiveModel::Validation

CKAN CLI with built-in CSV file validation and CKAN API integration.

i18n address standardization and validation using Google's i18n address repo

Expose fully RESTful HTTP APIs including code-on-demand so client can intelligent present most appropriate UI element for each property & perform arbitrary, non-authorative, client-side validations before submitting data to the API server.

Integrated CfnDsl CloudFormation template generation pipeline that integrates cfn_nag, AWS template validation, and AWS template costing (where possible), and generated `aws cloudformation deploy` compatible parameters files

Model scope analyzes your Rails application models and provides some useful insights on callbacks and validations defined

Most web applications have a lot of before/after hooks that occur when working with objects: sending a welcome email on registration, incrementing/decrementing counter caches, trigger validation on remote web services. When implemented using callbacks, all these occur without the developer knowin...

Ruby config library with schema validation, default values and templating

a Rails gem that allows you to validate a URL entered in a form. It validates if the URL exists by hitting it with a HEAD request. The improved version includes retries for common patterns when the head request is refused before giving a failure notice. It also looks up a SITE_URL constant to...