File: email_validator.rb

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# frozen_string_literal: true

class EmailValidator < ActiveModel::EachValidator
  def validate_each(record, attribute, value)
    unless /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\z/i.match?(value)
      record.errors.add(attribute, message: options[:message] || "is not an email")
    end
  end
end