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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[Regexp.last_match[1]] }
Success #stdin #stdout 0.01s 6436KB
comments (?)
stdin 
Standard input is empty
stdout 
The dimension of the square is 10 and 20
https://ideone.com/jYSltr
language:
Ruby (ruby 2.5.5)
created:
4 years ago
visibility:
secret

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