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  1. import re
  2. text = "test 10 20 middle 30 - 40 mm"
  3. print( re.split(r'(?<=\d)\s+(?:-\s+)?(?=\d)', text) )
Success #stdin #stdout 0.02s 9552KB
comments (?)
stdin 
Standard input is empty
stdout 
['test 10', '20 middle 30', '40 mm']
https://ideone.com/jrVysM
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
secret

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