ActiveModel Validations InclusionValidator class InclusionValidator Ruby on Rails 3.1.12 Since v3.0.20 Last seen in v3.2.22.5 Available in: v3.0.20 v3.1.12 v3.2.22.5 Compare with: … v3.0.20 v3.2.22.5 No documentation comment. Inherits from EachValidator Constants ActiveModel::Validations::InclusionValidator::ERROR_MESSAGE Methods (defined here) # check_validity! # validate_each Private methods (1) Implementation detail — not part of the public API. # inclusion_method