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  1.     re = /\b([a-z])\1{0,}\b/m
  2.     str = 'aa aaa aaaa bb b bbb abc aa a pqaaa '
  3.     result = str.gsub(re,'')
  4.     puts result
Success #stdin #stdout 0.02s 9656KB
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Standard input is empty
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      abc   pqaaa
https://ideone.com/EqpzbH
language:
Ruby (ruby 2.5.5)
created:
7 years ago
visibility:
public

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