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  1. import re
  2.  
  3. s = "Hi how are you? \nI %am %fine.\nThanks %and %you"
  4. result = re.sub(r"\B%(\w+)", r"[\1]", s)
  5. print(result)
Success #stdin #stdout 0.01s 27744KB
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Standard input is empty
stdout
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Hi how are you? 
I [am] [fine].
Thanks [and] [you]
https://ideone.com/O7JsV4
language:
Python 3 (python  3.9.5)
created:
5 years ago
visibility:
secret

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