    # File lib/stella/core_ext.rb, line 153
      def linkify!
        self.gsub!(/\b((https?:\/\/|ftps?:\/\/|mailto:|www\.|status\.)([A-Za-z0-9\-_=%&amp;@\?\.\/]+(\/\s)?))\b/) {
          match = $1
          tail  = $3
          case match
          when /^(www|status)/     then  "<a href=\"http://#{match.strip}\">#{match}</a>"
          when /^mailto/  then  "<a href=\"#{match.strip}\">#{tail}</a>"
          else                  "<a href=\"#{match.strip}\">#{match}</a>"
          end
        }
        self
      end