Library to parse X12 messages and manipulate their loops, segments, fields, composites, and validation tables.

Includes optional reader/writer delegation and unobtrusive errors validation

Provides more advanced and flexible 'if then then that' style conditional validation. Validate fields based on the values of other fields in your model.

Automatically pull validations out of your database and apply them to your models

This gem will take care of scopes, validations and normalization

A simple gem to do validation

validate-response is a gem for bringing error messages from one or more ActiveRecord objects to the unified structure & highlight validation errors in forms (ajax supported).

VAT Identification Number validation

WADL validator for requests

Goes through all your Rails ActiveRecord objects and check if they are all still pass your model validations. You may have added new validations to your model since creating your object, or ran update_column in your console to solve a production issue. Find issues in your db before others do. Ins...

Simple way to add Active Record Validations to models and views through the limits established in your database.

slim-template format validation.

CommandSet is a user interface framework. Its focus is a DSL for defining commands, much like Rake or RSpec. A default readline based terminal interpreter (complete with context sensitive tab completion, and the amenities of readline: history editing, etc) is included. It could very well be ad...