# File lib/active_support/inflector.rb, line 260 def parameterize(string, sep = '-') # remove malformed utf8 characters string = string.toutf8 unless string.is_utf8? # replace accented chars with ther ascii equivalents parameterized_string = transliterate(string) # Turn unwanted chars into the seperator parameterized_string.gsub!(/[^a-z0-9\-_]+/i, sep) unless sep.blank? re_sep = Regexp.escape(sep) # No more than one of the separator in a row. parameterized_string.gsub!(/#{re_sep}{2,}/, sep) # Remove leading/trailing separator. parameterized_string.gsub!(/^#{re_sep}|#{re_sep}$/i, '') end parameterized_string.downcase end