Mega Code Archive
Using preg functions
<![CDATA[
<?php
if (preg_match('{<title>.+</title>}', $html)) {
// page has a title
}
if (preg_match_all('/<li>/', $html, $matches)) {
print 'Page has ' . count($matches[0]) . " list items\n";
}
// turn bold into italic
$italics = preg_replace('/(<\/?)b(>)/', '$1i$2', $bold);
?>
]]>