嗨,我有這個字符串在PHP
<iframe frameborder="0" width="320" height="179" src="http://www.dailymotion.com/embed/video/xinpy5?width=320&wmode=transparent"></iframe><br /><a href="http://www.dailymotion.com/video/xinpy5_le-buzz-pippa-middleton-agace-la-reine_news" target="_blank">Le buzz Pippa Middleton agace la Reine !</a> <i>par <a href="http://www.dailymotion.com/direct8" target="_blank">direct8</a></i>
我想從錨提取網址使用preg_match或其他php功能的href屬性