title: nginx rewrite rules http://example.org/img?src=A to A?
body: <p>My url format :
     <a href="http://example.org/img?src=http://a.com/logo.png" rel="nofollow">http://example.org/img?src=http://a.com/logo.png</a></p>
  
  <p>I want nginx to rewrite this request to <a href="http://example.org/logo.png" rel="nofollow">http://example.org/logo.png</a>
  (not url redriect)</p>
  
  <p>how to do this? </p>