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  1. h = {"{{width}}"=>10, "{{length}}"=>20}
  2. s = "The dimension of the square is {{width}} and {{length}}"
  3. puts s.gsub(/\{\{(?:width|length)\}\}/, h)
Success #stdin #stdout 0.01s 6332KB
comments (?)
stdin 
Standard input is empty
stdout 
The dimension of the square is 10 and 20
https://ideone.com/ukFbvr
language:
Ruby (ruby 2.5.5)
created:
4 years ago
visibility:
secret

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