I recently discovered the open-sourced python library, borb, and was impressed by its capabilities! I am trying to use it to modify the font in a pdf document but have been unable to. Is this possible to do?

I have a document that contains certain words which are in Wingdings font. I first need to programmatically find those strings of text that are in Wingdings, and then edit them so they are in Arial.

Is that something that can be accomplished using borb?