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  1. import re
  2.  
  3. s = "test001"
  4. print(re.sub(r'^(\D+)(\d+)$', lambda x: rf'{x.group(1)}-{x.group(2).zfill(5)}', s))
  5.  
Success #stdin #stdout 0.03s 9388KB
comments (?)
stdin 
Standard input is empty
stdout 
test-00001
https://ideone.com/dHqixZ
language:
Python 3 (python  3.12)
created:
3 years ago
visibility:
secret

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