It's called word segmentation. There are libraries for it: https://github.com/grantjenks/python-wordsegment https://github.com/grantjenks/python-wordsegment ht

It's called word segmentation. There are libraries for it: https://github.com/grantjenks/python-wordsegment https://github.com/grantjenks/python-wordsegment https://github.com/InstantDomain/instant-segment https://github.com/InstantDomain/instant-segment (rust) I used the latter to process pdf plain text output quite successfully.