re = /<table\b.*?\bclass\s*=\s*(['"]).*?\btest\b.*?\1.+?<\/table>/
str = '<table class="test">
<tr>
<td>bla bla bla</td>
</tr>
</table>'
# 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