re = /^(?:[^<>()[\].,;:\s@"]+(\.[^<>()[\].,;:\s@"]+)*|"[^\n"]+")@(?:[^<>()[\].,;:\s@"]+\.)+[^<>()[\]\.,;:\s@"]{2,63}$/im
str = 'abcde.fghi@gmail.com
nombre-apellido@do-mi-nio.info
germán@bla.com
yo@mi-compañía.com
estação@brasil.com.br
no@esunmail
**@as
juan@{{192.168.1.52}}
*****@mail.xx
#($^%#$@^(#$^.com'
# Print the match result
str.scan(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html