Mobile MSISDN detection & validation. Only useful whenever your'e a Mobile Operator 3rd Party and receive MSISDN headers.

Validates polish identification numbers NIP, PESEL, REGON. Can be used in any ruby script or integrated with Rails validation

Allows Kumi schemas to be written as plain text with syntax validation and editor integration.

This gem is very fast C++ code for calculating AUCs on results of cross-validation. It is specific to the crossval database schema, which has not been released yet. Chances are you will not find this very useful unless you are the author. It is in gem form to ensure that each lab machine can c...

A composable application toolkit, providing data entities and collections, transforms, contract-based validations and pre-built operations. Architecture agnostic for easy integration with other toolkits or frameworks.

Official Ruby SDK for the Phone Number Validation & Formatter API by GenderAPI.io. Features: - Validate phone numbers from 240+ countries - Format numbers to E.164 or national format - Detect number type (mobile, landline, VoIP, etc.) - Retrieve region, area code, and co...

Modular hash validation

Provides simple, convention-based, user input validation and coercion. Also provides a 'type safe hash' and command line option parser that use it.

A workflow tool to: reconcile bank-downloaded csv's into categorized pta journals. Run finance validations on those journals. And generate csvs and plots on the output.

Simple DSL to design validation schemas for JSON document (or Hash / Array structure)

JSON-LD documents validation

Guardrail captures validation errors from your Ruby on Rails application to help you identify and fix user experience issues. The GuardrailNotifier gem makes it easy to hook up your app to the Guardrail web service.

Package of validations commonly used in Defra Rails based digital services

Process parameters base on OpenApi3 JSON documentation, such as: validation and type conversion

Create resources with run-time payload type checking and link validation

Uidable is a module to add a uid(unique identifier) attribute in your model or class. With ActiveRecord, the presence and uniqueness validations are supported.

Provides a DSL for common validation formats like Date, Array, DateTime etc.

Get the power of ActiveRecord models, including validation, without having a table in the database.

This RubyGem allows you to prevent particular database fields from being changed after an Active Record object is created. A validation error occurs on updates if an attribute of a model object is different from its value in the database.

ReCaptcha implements view helpers to generate ReCaptcha code, with the noscript counterpart, required methods that interface with the HTTP API for captcha verification, a DSL to generate a before_filter and the code to implement AJAX captcha validation.