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  1. s = 'Привет, мир!'
  2.  
  3. puts s.sub 'мир', 'и целого мира мало'
Success #stdin #stdout 0.05s 9648KB
comments (?)
stdin 
Standard input is empty
stdout 
Привет, и целого мира мало!
https://ideone.com/AzWowZ
language:
Ruby (ruby 2.5.5)
created:
10 years ago
visibility:
public

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