Help understand the difference between Exact and Wildcard/regex blocking


Can someone please provide examples that show the difference in blocking using exact and wildcard/regex?


I understand what the Exact does. If I add “” as EXACT then it will only block “”.

But what if I want to block anything that has the domain “” in it?
for example, or “ANTHING”

I have been doing this by typing “” in the search bar on the pihole blacklist page and then I click on wildcard or regex but I am not sure if this way is even correct.

Case 2:

What if I want to block anything that has “” in it? in other words, “” could be at the beginning, or in the middle or at the end of the domain that I am trying to block?

Case 3:

What if I want to block a domain that has a specific word but that word could be at the beginning of the domain or middle or at the end?

For example, I wand to block the word “hsd1” but the domains that could have this word might have it at the beginning, middle or end


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