Regexing hoppers
Adds advanced item filtering capabilities to hoppers using regular expressions.
Screenshots
About this Mod
Adds advanced item filtering capabilities to hoppers using regular expressions.
Just name a hopper in an anvil to a regex and you are good to go.
The hopper will not input or output anything not matching the regex if its name is a valid regex.
Available Versions
How to Install Regexing hoppers on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "Regexing hoppers". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.8, 1.21.5 (+5 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Regexing hoppers server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.
Is Regexing hoppers compatible with fabric?
Regexing hoppers officially supports fabric for Minecraft 1.21.11, 1.21.8, 1.21.5. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Regexing hoppers – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Regexing hoppers consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Install Regexing hoppers with just one click on your server.