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  1. import re
  2.  
  3. lines = [
  4. 	'dkas;6-17',
  5. 	'dsajdl 10',
  6. 	'dsjalkdj16-20'
  7. ]
  8.  
  9. for text in lines:
  10. 	print(re.sub('[^\d\r\n]+(\d{1,2}-\d{1,2})|.+', r'\1', text))
Success #stdin #stdout 0.02s 9484KB
comments (?)
stdin 
Standard input is empty
stdout 
6-17

16-20
https://ideone.com/at3Kf9
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
secret

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