How to block ads from specific site?

Help
1

I apologize if this has been asked before, I didn't see it it when I searched.

I just set up Pi-hole on my 4th-gen Raspberry Pi, and added some lists.

They're working well, but not on a specific site that hosts its own ads.

The site's ads all start with rv.sitename.net, the rest of the site seems to be on www.sitename.net.

Is there a way to block the "rv" parts from loading in that domain while allowing the rest of the site through?

I have read the Regular Expressions Tutorial, and either I'm not getting something or it's not working for me.

2

just blacklist this domain, what will happen ?

3

I have the following three blacklists, and none of them are blocking the ads:

rv.sitename
rv.sitename
rv.sitename.net

4

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click 'blacklist', add the domain you wat to blacklist, click on the blue button

5

I now have (\.|^)rv\.sitename\.net$ added to the list, but the ads are still coming through.

6

Than the ads are likely not coming from this domain, but maybe from www.sitename.net/ads?

7