Module | DataMapper::Validations::ValidatesFormat |
In: |
lib/dm-validations/validators/format_validator.rb
|
Validates that the attribute is in the specified format. You may use the :as (or :with, it‘s an alias) option to specify the pre-defined format that you want to validate against. You may also specify your own format via a Proc or Regexp passed to the the :as or :with options.
@option :allow_nil<Boolean> true/false (default is true) @option :allow_blank<Boolean> true/false (default is true) @option :as<Format, Proc, Regexp> the pre-defined format, Proc or Regexp to validate against @option :with<Format, Proc, Regexp> an alias for :as
:email_address (format is specified in DataMapper::Validations::Format::Email) :url (format is specified in DataMapper::Validations::Format::Url)
@example [Usage]
require 'dm-validations' class Page include DataMapper::Resource property :email, String property :zip_code, String validates_format_of :email, :as => :email_address validates_format_of :zip_code, :with => /^\d{5}$/ # a call to valid? will return false unless: # email is formatted like an email address # and # zip_code is a string of 5 digits