Es cierto que esta copiaro y pegado, pero se puede recupear siendo que este en un archivo externo:
Por ahora ve esto a ver si te sive de algo:
Crea un archivo php y solo presiona el boton, luego.
<?
$texto="<section>
Modelling, Texturing and Animating a Hand
</section>
<section>
<h3>
<strong>by Julian MacDonald</strong>
</h3>
</section>
<section>
<h2>
<strong class='c3'>Adding a Texture</strong>
</h2><br />
<br />
<br />
There are a number of options available for applying a texture to the hand object. For a simplistic, cartoonish look we could go for a uniform texture and that would be technically quite
simple.<br />
<br />
<a class='c1' href='hand_skeleton.html'><span class='arrows fLeft'>Previous: Setting up the Skeleton</span></a> <a class='c1' href='hand_animation.html'><span class='arrows fRight'>Next: Animating
the Hand</span></a> <a class='c1' href='contents.html'><span class='arrows'>Back to Contents</span></a><br />
</section>";
?>
<form action="" method="post">
<input type="hidden" name="texto" value="<?=$texto?>">
<input type="submit" value="Eniar">
</form>
<?
//echo $_POST['texto'];
// $patron = '/<section>(.*?)<\/section>/is';
$patron = '/<section>((?:(?!section>).)*)<\/section>/isU';
preg_match_all($patron, $_POST['texto'], $matches, PREG_SET_ORDER);
echo count($matches);
?>
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