# File lib/ohai/system.rb, line 95
    def from_with_regex(cmd, *regex_list)
      regex_list.flatten.each do |regex|
        status, stdout, stderr = run_command(:command => cmd)
        return "" if stdout.nil? || stdout.empty?
        stdout.chomp!.strip
        md = stdout.match(regex)
        return md[1]
      end
    end