Help on preg_match pattern

I want to parse a html content that have something like this:

<di开发者_JAVA百科v id="sometext">Lorem<br> <b>Ipsun</b></div><span>content</span><div id="block">lorem2</div>

I need to catch just the "Lorem<br> <b>Ipsun</b>" inside the first div. How can I achieve this?

Ps: the html inside the first div have multiple lines, its an article.

Thanks

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Trying to use regex to parse HTML is not a very nice experience as HTML isn't a regular language. An alternative would be to use a HTML parser like Simple HTML DOM or the DOM library/

Simple HTML DOM Example:

$html = str_get_html('<div id="sometext">Lorem<br> <b>Ipsun</b></div><span>content</span><div id="block">lorem2</div>');
echo $html->find('div[id=sometext]', 0)->innertext;

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Assuming that the id is known:

preg_match('#<div id="sometext">(.*?)</div>#s', $text, $match);