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  1. REGEX = /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/
  2.  
  3. def test(str)
  4.   if REGEX.match(str)
  5.     puts "😃 '#{str}' is valid!"
  6.   else
  7.     puts "😡 '#{str}' is invalid!"
  8.   end
  9. end
  10.  
  11. emails = [ "@gmail.com",  "xxxx@gmail", "xxxx@gmail.com" ]
  12.  
  13. emails.each {|email| test(email) }
Success #stdin #stdout 0.06s 9712KB
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Standard input is empty
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😡 '@gmail.com' is invalid!
😃 'xxxx@gmail' is valid!
😃 'xxxx@gmail.com' is valid!
https://ideone.com/lF7Ool
language:
Ruby (ruby 2.5.5)
created:
7 years ago
visibility:
secret

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