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  1. s = 'lorem.ipsum@gmail.com'
  2. puts s.sub(/\A(..).*@.*(..)\z/, '\1****@****\2')
Success #stdin #stdout 0s 28688KB
comments (?)
stdin 
Standard input is empty
stdout 
lo****@****om
https://ideone.com/pK26lZ
language:
Ruby (ruby 2.5.5)
created:
8 years ago
visibility:
public

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