encode image to base64, get a invalid base64 string (ios using base64EncodedStringWithOptions)

Question

Here is my code.

  UIImage *img = [UIImage imageNamed:@\"white.jpeg\"];
  NSData *imageData = UIImagePNGRepresentation(img);
  NSString *imageString = [imageData         


        

Answer 1

inspired from Fadi Abuzant answer here is the Swift 3 version

stringBase64 = stringBase64.replacingOccurrences(of: "+", with: "%2B")