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  1. import re;
  2. text = '''abcdef'''
  3.  
  4. print(re.sub("(?<!=abc)def", " ", text))
Success #stdin #stdout 0.02s 8688KB
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Standard input is empty
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abc
https://ideone.com/WxoJwP
language:
Python 3 (python  3.12)
created:
10 years ago
visibility:
public

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