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  1. arr = "### ### Lorem.  "
  2. #arr.replace(/(#+) (.*)/g, (_, h, t) => `<h${h.length}>${t}</h${h.length}>`)
  3. p arr.gsub(/(#+) (.*)/) { "<h#{$1.length}>#{$2}</h#{$1.length}>" }
Success #stdin #stdout 0s 6256KB
comments (?)
stdin 
Standard input is empty
stdout 
"<h3>### Lorem.  </h3>"
https://ideone.com/G5QRJ9
language:
Ruby (ruby 2.5.5)
created:
5 years ago
visibility:
secret

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