$re = '/"name">(.+)<.+"value">(.+)</Usi';
$str = '<h3></h3>
<dl class="data">
<dt class="name">Поле1</dt>
<dd class="value">Поле1_1</dd>
<dt class="name">Поле2</dt>
<dd class="value">Поле2_2</dd>
</dl>';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
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 PHP, please visit: http://php.net/manual/en/ref.pcre.php