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  1. if ('xc@mypost.com' =~ /\A\w([^@\s,;]+)@(mypost\.com|[\w-]+\.edu)\z/i) != nil
  2.   puts "yes"
  3. else
  4.   puts "no"
  5. end
  6.  
  7. if ('xc@dblist.com' =~ /\A\w([^@\s,;]+)@(mypost\.com|[\w-]+\.edu)\z/i) != nil
  8.   puts "yes"
  9. else
  10.   puts "no"
  11. end
Success #stdin #stdout 0.01s 7412KB
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https://ideone.com/rCENu6
language:
Ruby (ruby 2.5.5)
created:
10 years ago
visibility:
secret

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