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  1. import re
  2.  
  3. regex = r"^[^.]*\.\s*(?=.*\bcosts\b)(.*\bapple\b.*\.)$"
  4. test_str = ("Supermarket. This apple costs 0.99.\n"
  5. 	"Supermarket. This costs apple 0.99.\n"
  6. 	"Supermarket. This apple is 0.99.\n"
  7. 	"Supermarket. This orange costs 0.99.")
  8.  
  9. print(re.findall(regex, test_str, re.MULTILINE))
Success #stdin #stdout 0.02s 9624KB
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stdin
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Standard input is empty
stdout
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['This apple costs 0.99.', 'This costs apple 0.99.']
https://ideone.com/e33aQ5
language:
Python 3 (python  3.12)
created:
5 years ago
visibility:
secret

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