re = /^\w+(\.[\w-]+)*@([\w-]+\.)*\w([\w-]+\.)+[\w-]+$/m
str = 'lqw0@xs4dys3.ugch
aybg6_o2u@5h3ldf2.owu
1qq@o9ktoel7r5i.bhe
bvp3wvq@p1idtm.yk
ppc@ebur3k8dz7x5oto.lxux
8nvy76@xd2mxvenu4n.hl
0im5l20bpre7lqce6@s8pz941v.au
rc@bmn4n.da
i6altyo3@zcvv3383f.tvhg
njvg@71ya.scof'
# 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