wbr,scan,regexp,$',$&,format

scan
wbr<br />=begin<br /> a = "cruel world"<br /> a.scan(/\w+/) #=> ["cruel", "world"]<br /> a.scan(/.../) #=> ["cru", "el ", "wor"]<br /> a.scan(/(...)/) #=> [["cru"], ["el "], ["wor"]]<br /> a.scan(/(..)(..)/) #=> [["cr", "ue"], ["l ", "wo"]]<br /><br /> $` before match string<br /> $' after match string<br /> $& entire match string<br />=end<br /><br /><br /><br />>> "111111222222333".scan(/....../).push($')<br />=> ["111111", "222222", "333"]<br /><br /> def wbr_by_6(long_word)<br /> if long_word.chars.size > 6<br /> long_word.scan(/....../).push($').map{|m| CGI.escapeHTML(m)}.join('<wbr>')<br /> else<br /> CGI.escapeHTML(long_word)<br /> end <br /> end <br /> <br /> def format_content(content)<br /> <br /> def sub_url(text) <br /> if text =~ URI.regexp && $&[0,4] == 'http'<br /> "#{$`}<a href='#{$&}'>#{wbr_by_6($&)}</a>#{sub_url($')}"<br /> else<br /> #content = CGI.escapeHTML(content)<br /> wbr_by_6(text)<br /> end<br /> end<br /><br /> sub_url(content)<br /> end<br />