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正则匹配-php正则表达式怎么匹配?

WBOY
WBOYOriginal
2016-06-02 11:32:00754browse

正则匹配php正则表达式

<code>    [0] => <trclass><tdwidth>1<tdwidth>2012-2013学年第一学期<br>            [1] => <trclass><tdwidth>2<tdwidth><br><tdwidth>[P209502]管理学基础<br>            [2] => <trclass><tdwidth>13<tdwidth>2012-2013学年第二学期<br>            [3] => <trclass><tdwidth>14<tdwidth><br><tdwidth>[P209500]经济学基础<br></tdwidth></tdwidth></tdwidth></trclass></tdwidth></tdwidth></trclass></tdwidth></tdwidth></tdwidth></trclass></tdwidth></tdwidth></trclass></code>

如上我用正则匹配出
preg_match_all('/(\d)*(\S)+?
/',
但是我只需要:

<code>  <trclass><tdwidth>1<tdwidth>2012-2013学年第一学期<br>     <trclass><tdwidth>13<tdwidth>2012-2013学年第二学期<br></tdwidth></tdwidth></trclass></tdwidth></tdwidth></trclass></code>

请问怎么写?

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