Shared CarrierWave and Validations and Configurations

A TOTP generator, that includes validation, generation and send methods. See https://github.com/fboccacini/onetime-totp for reference and usage.

Phone number validation forked from MOBI Wireless Management

A ruby gem library for that offers utilities, version constraint parsing and validation.

Postcode validation module

Presence at least one validation for ActiveModel

Set of rich helpers for email validation

Build UI tests for manual validation across multiple devices.

Automatically pass attributes through Sanitize before validation

Integrates sequel validations and sequel hooks into couchbase model.

WADL validator for requests

Description of StrongestValidations.

Rails Validations for typically UK specific data

This Gem is Used for Validations URLs

Hash validation for 'options'-like methods.

Validations is a library for validating data structures.

Three level validation on email addresses for ActiveRecord.

Validations for european countries VAT numbers

ActiveModel validation for credit card number.

Allow for validation of only some attributes