re = /<div\s+username="pepper">(?:(?!<\/div>)[\s\S])*?location.*?\s+<td>([^<]*)/i
str = '<div username="bob">
<table>
<tr>
<td>name</td>
<td>alex</td>
</tr>
<tr>
<td>location</td>
<td>London</td>
</tr>
<tr>
<td>id</td>
<td>123</td>
</tr>
</table>
</div>
<div username="apple">
<table>
<tr>
<td>name</td>
<td>david</td>
</tr>
<tr>
<td>id</td>
<td>321</td>
</tr>
</table>
</div>
<div username="pepper">
<table>
<tr>
<td>location</td>
<td>Bradford</td>
</tr>
</table>
</div>'
# 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