Import and Export Blocked Terms in Mod Menu
Allow streamers and mods to Import and Export terms from the stream's blocked terms list, including duplicates of terms that may already have been entered.
As I'm sure Twitch Staff is well aware, there has been a devastating increase of bots globally harassing creators of many identities. I'm going to assume that the staff is silently working on the backend to minimize the damage being done from these mass-produced bot accounts, but in the meantime creators should have a way to compete with these bots as they come.
This is where the "Import/Export Blocked Terms" comes into play. The individuals behind the bots spend time testing the waters by checking to see if certain text characters have not been banned by the streamer. They normally have never followed or have recently followed and send minimal messages in order to gauge the banned term listing. Alternative spelling is not something that can be machine-learned without compromising the Twitch chat experience and they take advantage of this fact by using fairly niche typesets, acrylic lettering and characters/symbols from foreign languages.
This leads to variations of the following: https://imgur.com/a/ZwJTWSR
I'll level with Twitch Staff and say that relying on them to be able to ban ALL the bots and discriminating terms is unfeasible, but this should at least be given to creators to level the playing field.
TLDR; The people behind the bots are getting creative with bypassing the chat filter and the tools we currently have aren't efficient enough to keep them at bay. Allow creators and mods to Import and Export banned terms to fortify their streams.

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ZeroCiaran commented
I moderate a few channels, anytime I get a new sword I mirror the blocked-terms list across them all. It would be nice if I could either upload a text file or copy/paste them in bulk so each new line is a new entry for example. Copy/pasting each entry into the dashboard is unnecessarily time-consuming.
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Daopa commented
So we want to block some of the ASCI type of text people use to create **** in text. People start using Braille, this is over 256 different sets, right now we have to manually cut and copy each character into the block terms.
If you can add the option of a CSV File to Import into the form section would be also very handy.
Should also include a Export to CSV so we can share our list with other channels or communities.
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SurrealJC commented
Considering how impossible it would be to process all that data I'd suggest limiting twitch chat to what's on the regional keyboard - alphanum characters and symbols.
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caeshura commented
Allow bulk word imports to the Blocked Terms list via delimited .txt files.
This will allow users to restrict multiple words from a list, compiled by other sin the community, to fight against hate raids. It will save your users time, and give them a sense of security.