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  1. import re
  2. foo = "this is IMP Y text\nand this is also IMP1 Y text\nthis is not so IMP2 N text\nY is not important"
  3. print(re.findall(r'\w+(?=[^\S\r\n]+Y\b)', foo))
Success #stdin #stdout 0.02s 9392KB
comments (?)
stdin
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Standard input is empty
stdout
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['IMP', 'IMP1']
https://ideone.com/PrKtbA
language:
Python 3 (python  3.12)
created:
5 years ago
visibility:
secret

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