The string format is similar to:

1)  some question text
    A)option
    B) option
    C) option
    D) option
    
2)  some question text.
    A) option
    B) option
    C) option
    D) option
etc..

I was trying to use regex to match each question (javascript):
/(d+[.)]s.*?)(?=s*d+[.)]|$)/gs
It works fine until the very last question.

With the |$ as part of the positive lookahead, it should select the last question until the end of the string, but it doesn’t (on regex101). Is there anything am I doing wrong?