Validate Your Social Security Number

Add common validations.

Subdomain validator

This library helps validate that an attribute is a subset of a specified set

Validates Telephone for Brazil and United States and test it with matchers in a simple way.

ValidatesTimeliness mongoid ORM compatability.

Makes boolean validations a little cleaner.

Parse numbers suffixed with mangitude specifiers and/or abbreivations.

Library for validating unchangeable attributes.

Validates if an attribute has a valid xml content or a xsd valid content.

Validate XML against it's embedded XSI elements that define the XSD's.

Adds validation methods considering different country zip code formats. Currently, we can validate 130 countries.

Delegates validation between objects

A notifier for form validation errors.

Find and report ActiveRecord validation errors.

Use reflection to spec ActiveModel validations

Helper to customize the validation messages in Hanami application views.

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.

validations-skipper is a gem that enables objects to skip specified validations with ease. It can be applied to ActiveRecord::Base classes.

Checks whether an ActiveModel Validator is attached to an attribute of a Model and with which options