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Email validator for Rails 3
Ruby
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Vladimir Krylov
Vladimir Krylov Merge pull request #6 from MaximilianMeister/master
gemspec: add license
Latest commit d2b868f Sep 22, 2017

README.markdown

ValidateEmail

This gem adds the capability of validating email addresses to ActiveModel. The gem only supports Rails 3 (has dependencies in ActiveModel and ActiveSupport 3.0)

Installation

# add this to your Gemfile
gem "validate_email"

# and then run
rake gems:install

# or just run
sudo gem install validate_email

Usage

With ActiveRecord

class Pony < ActiveRecord::Base
  # standard validation
  validates :email_address, :email => true

  # with allow_nil
  validates :email_address, :email => {:allow_nil => true}

  # with allow_blank
  validates :email_address, :email => {:allow_blank => true}
end

With ActiveModel

class Unicorn
  include ActiveModel::Validations

  attr_accessor :email_address

  # with legacy syntax (the syntax above works also)
  validates_email :email_address, :allow_blank => true
end

I18n

The error message will be looked up according to the standard ActiveModel::Errors scheme. For the above Unicorn class this would be:

  • activemodel.errors.models.unicorn.attributes.email_address.email
  • activemodel.errors.models.unicorn.email
  • activemodel.errors.messages.email
  • errors.attributes.email_address.email
  • errors.messages.email

A default errors.messages.email of is not a valid email address is provided. You can also pass the :message => "my custom error" option to your validation to define your own custom message.

Authors

Tanel Suurhans (http://twitter.com/tanelsuurhans)
Tarmo Lehtpuu (http://twitter.com/tarmolehtpuu)

License

Copyright 2010 by PerfectLine LLC (http://www.perfectline.co.uk) and is released under the MIT license.

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