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Contents
# == usage:
# in your model, add:
# validates :email, :presence => true, :is_email_address => true;
# taken from http://lindsaar.net/2010/1/31/validates_rails_3_awesome_is_true
# (It's probably a fake regex but hey, it looks legit.)
class IsEmailAddressValidator < ActiveModel::EachValidator
EmailAddress = begin
qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]'
dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]'
atom = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-' +
'\\x3c\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+'
quoted_pair = '\\x5c[\\x00-\\x7f]'
domain_literal = "\\x5b(?:#{dtext}|#{quoted_pair})*\\x5d"
quoted_string = "\\x22(?:#{qtext}|#{quoted_pair})*\\x22"
domain_ref = atom
sub_domain = "(?:#{domain_ref}|#{domain_literal})"
word = "(?:#{atom}|#{quoted_string})"
domain = "#{sub_domain}(?:\\x2e#{sub_domain})*"
local_part = "#{word}(?:\\x2e#{word})*"
addr_spec = "#{local_part}\\x40#{domain}"
pattern = /\A#{addr_spec}\z/
end
def error_message
"is not a valid email address."
end
def help_message
"Needs to be a valid email address."
end
def validate_each(record, attribute, value)
unless value =~ EmailAddress
record.errors[attribute] << (options[:message] || error_message )
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems