re = /([A-Za-z0-9!#-'*+\-\/=?^_`{-~\xA0-\x{10FFFF}]+(?:\.[A-Za-z0-9!#-'*+\-\/=?^_`{-~\xA0-\x{10FFFF}])|(?:[ !#-\[\]-~\xA0-\x{10FFFF}]|\\[ -~])*)@((?:[A-Za-z0-9](?:[A-Za-z0-9\-]*[A-Za-z0-9])?|[\x00-\x{10FFFF}]*[\x80-\x{10FFFF}]+[\x00-\x{10FFFF}]*)(?:\.(?:[A-Za-z0-9](?:[A-Za-z0-9\-]*[A-Za-z0-9])?|[\x00-\x{10FFFF}]*[\x80-\x{10FFFF}]+[\x00-\x{10FFFF}]*))*)/
str = 'email@email.co.za'
# Print the match result
str.match(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