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  1. import re
  2. num  = fr"""(\d\d)([A-Z])?"""
  3. sep  = fr"""and |or |, """
  4.  
  5. #pattern composition
  6. pattern = fr"""{num}(?:\s*(?:{sep})\s*{num})*"""
  7.  
  8. text= """biscuits 10 are good
  9. biscuits 20 and 30 are good
  10. biscuits 40 and hot dog are good
  11. but this one 50A and 50B and not ok"""
  12.  
  13. refs = re.finditer(pattern, text, re.VERBOSE,)
  14. for ref in refs:
  15.     TEXT = ref.group()
  16.     print(TEXT)
  17.  
Success #stdin #stdout 0.03s 9472KB
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stdin
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Standard input is empty
stdout
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10
20 and 30
40
50A and 50B
https://ideone.com/RSn61o
language:
Python 3 (python  3.12)
created:
3 years ago
visibility:
secret

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