Create backbone twitter bootstrap form views easily using helpers. Handle and display validation failures from rails.

Use the backbone-forms library https://github.com/powmedia/backbone-forms: a "Form framework for BackboneJS with nested forms, editable lists and validation"

masterdata mostly used for validations of countrycodes, country, states, countrydailcode, contactnumbers, pincodes and emailaddress which can be helpful for data preprocessing. Along with this something special is that gaining the information from country/countrycodes/countrydailcodes.Lets look ...

Bank account tools for dealing with IBANs/BICs: information, validation and formatting.

Module containing classes to handle calls to Unified Software's International Bank Validation REST web services BankValInternational Services catered for by this module are getABAdetails, ibanValidate and getBankDetails2

Adds activemerchant gateway support for hash validation, querying transactions, and submitting payment via hosted forms

Validations for Non Active Record Models

Web parameters validation for Ruby 🛡️

better-riak-client is an improved version of Basho's official Ruby client for Riak. It's a drop-in replacement that supports everything the official client does, in a gem that isn't bloated to multiple megabytes in size, and that fixes various outstanding issues like broken SSL validation.

It is a Gem for creating and rendering the HTML of the error message when there is a validation error for the request sent by ajax.

BicValidation provides a simple ActiveModel::EachValidator for formally validating Business Identifier Codes (BIC) aka SWIFT-codes.

CrazyValidators enables easy validation of attributs of an ActiveModel class, such as alphanumericality, presence in a Blacklist.

This is a simple machine learning library written in Ruby. It provides implementations of linear regression and multiclass perceptron and visualization and validation methods to verify results. Also included are helper methods to work with training and testing data.

A ruby interface over the DataValidation service.

Includes optional reader/writer delegation and unobtrusive errors validation

Write self-documenting parameter validation and type-casting in your API actions. Docs and development at https://github.com/ozydingo/despecable.

Adds a Rails-esque validation method for use in Rails 3 with ActiveRecord or DataMapper

Digget makes creating search endpoints easier. It allows you to put some validations on incoming parameters and use these parameters to filter models.

Transform database constraint errors into activerecord validation errors

Hash validation for 'options'-like methods.