re = /(\w+):\s+(.*)\r?\n/m
str = '/*
title: Introduction
*/
Introduction
============
[This is a link](http://google.com)
![This is an image](http://google.com/test.jpg)
* This is a list
* This is a list
* [This is a link](http://google.com)
* ![This is an image](http://google.com/test.jpg)'
# 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