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  1. # coding=utf8
  2. # the above tag defines encoding for this document and is for Python 2.x compatibility
  3.  
  4. import re
  5.  
  6. pattern = r"(?=(?:.{4})*$)"
  7. s = "01234567891234oooooooooooooooo321"
  8. print(re.sub(pattern, "#", s))
  9.  
Success #stdin #stdout 0.03s 9524KB
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Standard input is empty
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0#1234#5678#9123#4ooo#oooo#oooo#oooo#o321#
https://ideone.com/nYuZfV
language:
Python 3 (python  3.12)
created:
3 years ago
visibility:
secret

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