php正则提取数据,该怎么解决

php正则提取数据

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                            表演者:<br>
                                    Various Artists<br>
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    <span>版本特性:</span> Clean<br>
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    <span>介质:</span> Audio CD<br>
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    <span>发行时间:</span> 2012-12-18<br>
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                            出版者:<br>
                                    Universal Republic<br>
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