Module:Highlight

local p = {}

local MARKUP = {['default'] = '%1',

               ['yellow'] = '%1',
               ['oval'] = '%1'}
                   

function p.main(frame) if frame then

       local parent = frame.getParent and frame:getParent()
       if parent and parent.args then
       	regex = parent.args[1] or parent.args['regex']
       	page = parent.args[2] or parent.args['page']
       	style = parent.args[3] or parent.args['style']
       end
       if frame.args then
       	regex = frame.args[1] or frame.args['regex']
       	page = frame.args[2] or frame.args['page']
       	style = frame.args[3] or frame.args['style']
       end
   else
   	return 
   end

if not page or mw.text.trim(page) == then page = frame:preprocess("Module:Highlight") if string.sub(page,-10,-1) == '/highlight' then page = string.sub(page,1, -11) end

   end
   if style and mw.text.trim(style) ~= "" then
   else
   	style = "default"
   end
   local replace = MARKUP[style]
   -- OK, we now are searching for regex in page
   pageobject = mw.title.new(page)
   if not pageobject then return  end
   text = pageobject:getContent()
   text = mw.ustring.gsub(text, "(" .. regex .. ")", replace)
   return frame:preprocess(text)

end

return p