Apology for not making it clear what I wanted.
Actually I want Original text to be intact. just want to insert hyperlink to the text (patent Numbers).
I made one more step after your macro, converted it back to the original text.

find what:
https://www.google.co.in/patents/([A-Z]{2})([0-9]{4,})([A-Z0-9]{1,2})?cl=en


Replaced with:
\1 \2 \3

Final text retained the link. Thanks