For examplehttp://www.baidu.com/xxxxxx.mp4?tag=MsjsIjdjajs
I need to remove it?tag=MsjsIjdjajs
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This requirement is very simple. You don’t need to use regular expressions. String functions can handle it:
<?php $str?=?'http://www.baidu***/xxxxxx.mp4?tag=MsjsIjdjajs'; echo?strstr($str,?'?',?true); //?結(jié)果:?http://www.baidu***/xxxxxx.mp4
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