Preventing Google from indexing the contents of a div by reversing the string

Question

I want to prevent that Google indexes the contents of one

on my page. Of course I can create an image but that\'s not really an option in my case si

Answer 1

I used server side codes to hide div from googlebot

public static function isNotGoogleBot()
    {
        $ua = strtolower($_SERVER['HTTP_USER_AGENT']);
        if(strpos($ua,'googlebot') === false && strpos($ua,'mediapartners-google') === false)return true;
        return false;
    }