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  1. import re
  2.  
  3. s = 'email@mail.ru'
  4.  
  5. print(re.sub('(.).*@', r'\1***@', s))
  6. print(re.sub('.(@.*)|(?!^).', r'*\1', s))
Success #stdin #stdout 0.02s 9620KB
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stdin
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Standard input is empty
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e***@mail.ru
e****@mail.ru
https://ideone.com/ndLbOz
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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