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  1. input = "[twitter:jpunt]" 
  2. output = input.gsub(/\[([^:]+):([^\]]+)\]/) {
  3.   '<a href="http://' + $1 + '.com/' + $2 + '">@' + $2.capitalize + '</a>' }
  4.  
  5. puts output
Success #stdin #stdout 0s 4760KB
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<a href="http://t...content-available-to-author-only...r.com/jpunt">@Jpunt</a>
https://ideone.com/eI8ef
language:
Ruby (ruby 2.5.5)
created:
13 years ago
visibility:
public

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