re = /(\\x[0-9a-fA-F]+\[\d+m)([0-9\.]+)(\\.*)/m
str = '\\x1b[31m42\\x1b[0m
\\x1b[32m1010\\x1b[0m'
# 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