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module Incline
##
# Validates a string to ensure it contains a valid email address.
#
# validates :email_address, 'incline/email' => true
#
class EmailValidator < ActiveModel::EachValidator
INTERNAL_DOM_REGEX = '[a-z\d]+(?:-+[a-z\d]+)*(?:\.[a-z\d]+(?:-+[a-z\d]+)*)*\.[a-z]+'
private_constant :INTERNAL_DOM_REGEX
##
# This regular expression should validate 99.9% of common email addresses.
#
# There are some weird rules that it doesn't account for, but they should be rare.
#
VALID_EMAIL_REGEX = /\A[\w+\-.]+@#{INTERNAL_DOM_REGEX}\z/i
##
# This regular expression should validate any domain.
VALID_DOMAIN_REGEX = /\A#{INTERNAL_DOM_REGEX}\z/i
##
# Validates attributes to determine if they contain valid email addresses.
#
# Does not perform an in depth check, but does verify that the format is valid.
def validate_each(record, attribute, value)
unless value.blank?
record.errors[attribute] << (options[:message] || 'is not a valid email address') unless value =~ VALID_EMAIL_REGEX
end
end
##
# Validates that an email address is valid based on format.
def self.valid?(email)
return false if email.blank?
!!(email =~ VALID_EMAIL_REGEX)
end
end
end
Version data entries
48 entries across 48 versions & 1 rubygems