re = /(<div[^>]*>(?:\g<1>|.)*?<\/div>)/i
str = '<body>
<article>
<img src="image.png">
<div class="menu">
<div>
<div>
<div></div>
</div>
</div>
</div>
<p></p>
<div>
<div></div>
</div>
<!--- some elements -->
</article>
<footer>
<!--- some elements -->
</footer>
</body>'
# 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