Simple redirect of hotlinked images in .htaccess

redirect

RewriteEngine on
RewriteCond %{HTTP_REFERER} !^$

# allowed domains, add as needed
RewriteCond %{HTTP_REFERER} !^http(s)?://(www\.)?google.com [NC]
RewriteCond %{HTTP_REFERER} !^http(s)?://(www\.)?christianheilmann.com [NC]
RewriteCond %{HTTP_REFERER} !^http(s)?://(www\.)?wait-till-i.com [NC]
RewriteCond %{HTTP_REFERER} !^http(s)?://(www\.)?mozilla.org [NC]

# search engines and social sites and stuff
RewriteCond %{HTTP_REFERER} !google\. [NC]
RewriteCond %{HTTP_REFERER} !yahoo\. [NC]
RewriteCond %{HTTP_REFERER} !search\?q=cache [NC]
RewriteCond %{HTTP_REFERER} !search\/cache [NC]
RewriteCond %{HTTP_REFERER} !cache [NC] 
RewriteCond %{HTTP_REFERER} !bing\. [NC] 
RewriteCond %{HTTP_REFERER} !fbcdn\. [NC] 
RewriteCond %{HTTP_REFERER} !facebook\. [NC] 
RewriteCond %{HTTP_REFERER} !pinterest\. [NC] 
RewriteCond %{HTTP_REFERER} !feedly\. [NC] 
RewriteCond %{HTTP_REFERER} !pulse\. [NC] 
RewriteCond %{HTTP_REFERER} !aol\. [NC] 
RewriteCond %{HTTP_REFERER} !t\. [NC] 

# image to redirect to 
RewriteRule \.(jpg|jpeg|png|gif)$ http://i.imgur.com/wXVywfE.jpg [NC,R,L]

Hello, I would like to know if this is useful in the current times and can I use it in .htaccess from any platform?
Sorry, I'm newbie ...
Can you help me???

BR ==
olá, gostaria de saber se isso serve nos tempos atuais e posso usar no .htaccess de qualquer plataforma?
Desculpe sou novato...
Pode me ajudar???