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  1. rx = /\bgrouping(\((?>[^()]|(\g<1>))*+\))/
  2. txt = "grouping(elllo)\n\ngrouping(function() {\n   console.log(\"hello\")\n})"
  3. puts txt.gsub(rx) { |m| m.gsub($~[1], '(NEWTEXT)') }
Success #stdin #stdout 0.01s 7464KB
comments (?)
stdin 
Standard input is empty
stdout 
grouping(NEWTEXT)

grouping(NEWTEXT)
https://ideone.com/Kil2aZ
language:
Ruby (ruby 2.5.5)
created:
10 years ago
visibility:
secret

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