匹配上面embed：得到数组
array(
'0'=>'',
'1'=>'http://v.qq.com/cover/y/y7sekzn1avoyg0c.html?vid=x00207ht4fe'
)
匹配上面embed：得到数组
array(
'0'=>'',
'1'=>'http://v.qq.com/cover/y/y7sekzn1avoyg0c.html?vid=x00207ht4fe'
)
preg_match('/http:|2c4cf67eace99f5a255f0885ca8b56be0|/v.qq.com/cover/(w)/(w ).html?vid=(w )/is', $string, $match);
参考 正则表达式教程
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
