class Tld @@lines = [] cattr_accessor :lines File.open(Rails.root.join('db', 'data', 'tlds.txt').to_s) do |fd| fd.each do |line| unless line[0..1] == '//' || line =~ /^\s$/ # neither comment neither blank @@lines << case line[0] when '*' then /^[\w-]+#{Regexp.escape(line[1..-1].chomp)}$/i # wildcard when '!' then /^#{Regexp.escape(line[1..-1].chomp)}$/i # domain else /^#{Regexp.escape(line[0..-1].chomp)}$/i # tld end end end end def self.include?(name) for line in @@lines return true if name =~ line end return false end end