<h3 style=" text-align: left; margin-top: 10px;">abcd</h3>

I need to extract abcd ? How to extract it?

I m using this code :
Code:
preg_match_all("/<h3 style=\" text-align: left;\" >(.*?)<\/h3>/i",$html, $n);
But its not working.. Any help will be appreciated.