php preg_replace 特定 html 注释标签之间的所有内容 [英] php preg_replace everything in between specific html comment tags

问题描述

我已经检查了其他答案，但似乎无法执行以下操作.请帮助某人:)

I've checked other answers but can't seem to do the following. Please help someone :)

我想删除中间的所有内容，包括特定的 html 注释

I want to remove everything in between and including specific html comments

HTML:

Some HTML that must stay
<!-- START IF USER_ID -->
some html that must go
<!-- END IF USER_ID -->
Some more HTML that's gotta stay
<!-- START IF USER_ID -->
this also needs to go
<!-- END IF USER_ID -->

所以 和 之间的所有内容以及评论本身需要去

So everything in between <!-- START IF USER_ID --> and <!-- END IF USER_ID --> and the comments itself needs to go

我的 preg_replace 模式(这显然是错误的):

"/<!-- START IF USER_ID -->.*?<!-- END IF USER_ID -->/"

结果应该是

Some HTML that must stay
Some more HTML that's gotta stay

感谢您提前检查和回答:)

Thanks for checking and for the answers in advance :)

推荐答案

感谢 @mlwacosmos - 使用您提供的链接.

Thanks @mlwacosmos - Using the link you provided.

实现:

$startPoint = '<!-- START IF USER_ID -->';
$endPoint = '<!-- END IF USER_ID -->';
$result = preg_replace('#('.preg_quote($startPoint).')(.*)('.preg_quote($endPoint).')#siU', '', $html);

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