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  1. puts 'hello world"'.gsub(/\A"+(.*?)"+\Z/s, '\1')
  2. puts '"hello world"""""""""'.gsub(/\A"+(.*?)"+\Z/s, '\1')
  3. puts '"hello world'.gsub(/\A"+(.*?)"+\Z/s, '\1')
Success #stdin #stdout 0.05s 9728KB
stdin
Standard input is empty
stdout
hello world"
hello world
"hello world