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  1. import re
  2. text = 'am pm  P.M.  10:56pm 10:43 a.m.'
  3. rx = r'\b((?:[01]?[0-9]|[2][0-3]):[0-5][0-9]\s*[pa]\.?m\b\.?)|\b[ap]\.?m\b\.?'
  4. result = re.sub(rx, lambda x: x.group(1) if x.group(1) else "\n", text, flags=re.I)
  5. print(result)
Success #stdin #stdout 0.01s 27712KB
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Standard input is empty
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  10:56pm 10:43 a.m.
https://ideone.com/rq5cDW
language:
Python 3 (python  3.12)
created:
6 years ago
visibility:
public

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