Flags is a framework for Ruby which allows the definition of command-line flags, which are parsed in and can be accessed smartly from within your Ruby code. This framework allows for numerous different flag types, and takes care of the process of type conversion and flag validation (type and val...

Builds forms with a standard template that has labels, hints, and validations

To format validations made with typs.

Protect the foreign keys in your Rails models by checking the user_id of self against the user_id of all relations.

This is a very basic (and untested!) RubyGem to simplify web form creation, validation and processing. It is designed for use with the Sinatra framework.

Checks email using RFC2822 compliant parser, Requests MX records for server validation. Supports caching

Adds extra validation to rendered markdown

= dm-is-published This plugin makes it very easy to add different states to your models, like 'draft' vs 'live'. By default it also adds validations of the field value. Originally inspired by the Rails plugin +acts_as_publishable+ by <b>fr.ivolo.us</b>. == Installation # Add G...

This is a module for the Ruby language that defines a callback GEDCOM parser. It does not do any validation of a GEDCOM file, but, using application-defined callback hooks, can traverse any well-formed GEDCOM.

Forms with ActiveModel-like validations

ActiveRecord::MySQL::Strict adds validations to ActiveRecord models to make sure they do not trigger errors in MySQL strict mode.

Array validations for Rails (e.g. Postgres jsonb columns)

Object validation library

Generate attributes with strong types and validations.

Bailitheoir is a JavaScript that you can insert into your pages to ensure that the browser will implement form input validation.

Versions validations and comparisons!!!

Get validation error from database constraint.

Cave Forms encapsulate validation logic into an object with that single responsibility

Imports delimited text files to Active Record or Datamapper, with validations.

Providing special validation error building for has_many collection in Rails.