How to replace dash between characters with space using regex

Question

I want to replace dashes which appear between letters with a space using regex. For example to replace ab-cd with ab cd

The following matc

Answer 1

re.sub() always replaces the whole matched sequence with the replacement.

A solution to only replace the dash are lookahead and lookbehind assertions. They don't count to the matched sequence.

new_term = re.sub(r"(?<=[A-z])\-(?=[A-z])", " ", original_term)

The syntax is explained in the Python documentation for the re module.