A State Machine implementation of a UTF-8 Encoding Validation algorithm.

extend ActiveRecord validations by checking if a string is a valid email address

Rails gem/plugin that implements an ActiveRecord validation helper called validates_as_email which validates email address (RFC822)

Rails gem that implements an ActiveRecord validation helper called validates_as_postal_code which validates U.S. postal codes

API for the metadata validation service.

Makes boolean validations a little cleaner.

Automatic field validation for forms backed by DataMapper models through Sinatra.

Validations for Ruby objects

Valentine is a simple validation library for JSON and ordinary Hash based on an easy Hash based syntax.

Rails gem/plugin that implements an ActiveRecord validation helper called validates_as_date_time which validates U.S. dates, times, and date-times

Validating-Workflow is a finite-state-machine-inspired API for modeling and interacting with what we tend to refer to as 'workflow'. * nice DSL to describe your states, events and transitions * robust integration with ActiveRecord and non relational data stores * various hooks for single transitions, entering state etc. * convenient access to the workflow specification: list states, possible events for particular state * state and transition dependent validations for ActiveModel

contextual validations for controllers and wanna learn to do other stuff good too

DSL for variable scoping / encapsulation for readability and organisation, by means of block indents and explicit variable declarations. Useful when organising complex conditions such as procs (case-in-point: complex `... if: -> {}` Rails model validations

The Wechat Validator engine handles the Wechat server validation requests. 微信验证器引擎处理微信服务器的验证请求。

Tiny implementation of the command pattern, including input validation, using Scrivener.

Simple actions and complex forms with validations, nesting, etc.

YAML Easy Schemas it a straight-foward but powerful YPath-based schema format and validation program for YAML documents.

== FEATURES/PROBLEMS: Right now, only one function: parse. This does the validation and parsing all in one step. This is intended to be used by any reader (who would take care of what links have been read, etc). == SYNOPSIS: results = Zsff.parse(url) results[:errors] #Any errors encountered while parsing results[:warnings] #Any warnings encountered while parsing results[:attrs] #A hash for the author, title, etc information from the feed results[:links] #List of links in the feed == REQUIREMENTS:

A gem for id and passport validation.

Language Independent Validation Rules