[Python] Split a string into separate words without spaces, preserving special characters...

My task:

Is to split a string that does not have spaces into separate words. For example:

"ProgramAgreement" -> "Program Agreement"

"drivername" -> "driver name"

For these purposes, I use the wordninja library, and in most cases I get an acceptable result.

Problem:

If the string contains special characters, wordninja ignores them, which is unacceptable for me. Here are some examples:

'addressbelow:' -> 'address below'

"PAGES#NUMBER" -> "PAGES NUMBER"

Desire result:

However, as you probably already guessed, I would like to preserve special characters. That is, I would like to see the following result:

'addressbelow:' -> 'address below:'

"PAGES#NUMBER" -> "PAGES# NUMBER"

Code snippet:

my code in this moment really simple

import wordninja

separate_words = " ".join(wordninja.split("PAGES#NUMBER"))

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