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  1. puts <<EOT.match(/(^|,)\s*([\w_\.-]+?@[\w_\.-]+?)\s*(,|$)/)[2]
  2.   something here mail@mail_1.com, mail@mail_2.com, ,,
  3.   mail@mail_3.com something here mail@mail_4.com"
  4. EOT
Success #stdin #stdout 0.02s 9664KB
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mail@mail_2.com
https://ideone.com/fTt2o1
language:
Ruby (ruby 2.5.5)
created:
7 years ago
visibility:
public

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