$re = '@<p>\K([^><]+)(?=</p>)@m';
$str = '<p> <img src="spas01.jpg" alt="" width="630" height="480"></p>
<p style="text-align: right;"><a href="spas.html">Spas</a></p>
<p>My Site Content [...]</p>';
preg_match_all($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