使用php正则匹配到指定2个字符串之间内容的代码
<?php
$str = '<div class="player video-ready" id="video-box" log="video-box" data-clog="{"action_name":"视频播放框","position":"video-box"}"><video class="video object-fit-cover" id="video-player" poster="https://tx2.a.yximgs.com/upic/2020/06/01/10/BMjAyMDA2MDExMDIyMzNfODczNzMyOTA2XzI5NjcyOTEwMDMxXzFfMw==_low_B414fb6ba4ecd4124149f48bbc60c7e7e.webp?di=7b7d5c0a&bp=10000" width="100%" type="video/mp4" src="https://jsmov2.a.yximgs.com/bs2/newWatermark/Mjk2NzI5MTAwMzE_zh_4.mp4" alt="#街拍 #感谢快手我要上热门" preload="auto" webkit-playsinline playsinline x5-video-player-fullscreen="false " x5-video-player-type="h5"></video>';
//匹配video
$preg = '/<video[\s\S]*?video>/i';
preg_match_all($preg, $str, $res);
echo "<pre>";
print_r($res[0][0]);
?>
打印出来得到
<pre>Array
(
[0] => Array
(
[0] => <video class="video object-fit-cover" id="video-player" poster="https://tx2.a.yximgs.com/upic/2020/06/01/10/BMjAyMDA2MDExMDIyMzNfODczNzMyOTA2XzI5NjcyOTEwMDMxXzFfMw==_low_B414fb6ba4ecd4124149f48bbc60c7e7e.webp?di=7b7d5c0a&bp=10000" width="100%" type="video/mp4" src="https://jsmov2.a.yximgs.com/bs2/newWatermark/Mjk2NzI5MTAwMzE_zh_4.mp4" alt="#街拍 #感谢快手我要上热门" preload="auto" webkit-playsinline playsinline x5-video-player-fullscreen="false " x5-video-player-type="h5"></video>
)
)