fork(1) download 
  1. puts "some text !11.22.33"[/!([\d.]+)/, 1]
Success #stdin #stdout 0.02s 9720KB
comments (?)
stdin 
Standard input is empty
stdout 
11.22.33
https://ideone.com/ZmhIZ3
language:
Ruby (ruby 2.5.5)
created:
7 years ago
visibility:
secret

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