expresiones regulares extraer link

[ZiTAL]

Código PHP:

<?php
$text = '
<a title="2" class="page" href="http://localhost/miweb/page/2/">2</a>
<a title="3" class="page" href="http://localhost/miweb/page/3/">3</a>
<span class="nextPage"><a href="http://localhost/miweb/page/4/">››</a>
';
 
$pattern = "/<a(\ |.+?)href=\"(.*?)\">([\w]+|[\W]+)<\/a>/";
 
$replace = '<a $1 href="#" onclick="avanza(\'$2\'); return false;">$3</a>';
$text = preg_replace($pattern, $replace, $text);
print_r($text);
?>