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  1. str = '[2019-07-29 09:48:11,928] @hr.com [2] [AM] WARN'
  2. result = ''
  3. cnt = 0
  4. str.scan(/\[([^\]\[]*)\]/) { |match| result = match[0]; cnt +=1; break if cnt >= 2}
  5. puts result #=> 2
  6.  
Success #stdin #stdout 0s 6420KB
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https://ideone.com/G6FZ61
language:
Ruby (ruby 2.5.5)
created:
6 years ago
visibility:
secret

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