With this gem you will have several validations that are common on day day and that will make life much easier for dev. Validations can be returned in a simple and standardized way..

Stop wrestling with complex type validations and unclear error messages. Domainic::Type brings type validation to Ruby that is both powerful and delightful to use. Build composable type constraints with crystal-clear error messages that actually tell you what went wrong. From simple type checks t...

StripAttributes automatically strips all ActiveRecord model attributes of leading and trailing whitespace before validation. If the attribute is blank, it strips the value to nil.

Several methods in ActiveRecord skip validations, callbacks, or both. In my extremely humble but also extremely correct opinion, it's too easy to accidentally use these. Do Not Want kills those methods dead so you won't cut yourself on them: >> User.new.update_attribute(:foo, 5) DoNotWa...

Formtastic Plugin for ClientSideValidaitons

Mongoid Plugin for ClientSideValidations

Adds several handy expectations for testing ActiveRecord model validations, similar to what Shoulda provides.

Store Rails validations as JSON to serve via api and drive complex validation logic.

Adds type validation for classes with ActiveModel::Validations.

Turbolinks Plugin for ClientSideValidaitons

To ensure Validations that continue to have issues are addressed by developers. This is done by logging the failure. When a specific failure continues to be an issue, a developer can look into the problem.

A Rake task investigates the application's models definition, then tells you unique validations that do not have DB indexes.

A collection of Regular Expression validations

Add more validation methods for ActiveRecord columns like email, url, and creditcard.

If you need a way to easily skip validations on some attributes and only in certain cases, this gem will allow you to do it in a clean and elegant way.

Another validation library

Ember Plugin for ClientSideValidaitons

Extra matchers to test model validation

Automate the writing of validations, relations in files and specs. Create boilerplate validation in models, specs, migrations. This specs are generated based on rspec, shoulda-matchers and factorygirl

An easy to use Ruby built-in type validations library.