Is there an easy way to publish a regex blacklist?

[chrislph]

You may find this post interesting, it explains how regexes are processed very differently to exact domains (from adlists and the exact domain white/blacklists) which are very quick to search.

Collection of RegEx for blacklisting

No, I should correct this. Regex and exact domains work very much differently: Gravity and exact blacklist domains are stored in a tree-structure. Scanning the tree for matching a single domain against (multiple!) millions of domain merely takes microseconds, even on Raspberry Pi hardware. This is because leafs can be found very efficiently in a balanced tree and searching the tree only becomes slower on a logarithmic scale (doubling the number of domains just means one step more work, not dou…