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  1. import re
  2.  
  3. s = "Issued May2018No expiration date"
  4. pattern = r"(\d{4})No "
  5. print(re.sub(pattern, r"\1 - No ", s))
Success #stdin #stdout 0.03s 9476KB
comments (?)
stdin 
Standard input is empty
stdout 
Issued May2018 - No expiration date
https://ideone.com/ZWl5xU
language:
Python 3 (python  3.12)
created:
4 years ago
visibility:
secret

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