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  1. import re
  2. strings = ['PT1M6S', 'PT38S', 'PT58M4']
  3. rx = re.compile(r'^PT(?:(\d+)M)?(?:(\d+)S?)?$')
  4. for s in strings:
  5.   print(s, ' => ', rx.sub(lambda x: f"{(x.group(1) or '00').zfill(2)}:{(x.group(2) or '00').zfill(2)}", s))
Success #stdin #stdout 0.02s 9624KB
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stdin
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Standard input is empty
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PT1M6S  =>  01:06
PT38S  =>  00:38
PT58M4  =>  58:04
https://ideone.com/2wYwHs
language:
Python 3 (python  3.12)
created:
5 years ago
visibility:
secret

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