Correct Regex? I want to blacklist this entire website, but nothing I try works.

[gaveitatry2]

UPDATE:

The correct Regex format was:

app.chatwebsite.com

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I have a website like this https://app.chatwebsite.com/room/lounge/chatmember

I want to disable Video Speed Controller for the entire blacklist so that the control box does not show up on the videos.

I wanted to do something simple like this:

*chatwebsite.com*

https://app.chatwebsite.com*

but that didn't work.

So I tried figuring out Regex and tried:

https://app.chatwebsite.com/.

https://app.chatwebsite.com/.*

/?(?<=chatwebsite.*)$

and some others, but they also did not work.

What is the correct format?

[gaveitatry2]

Hello?