Viewing filter 1,412: Adding invisible unicode tags

Filter parameters

Filter ID:

1,412

Description:

(publicly viewable)

Filter hits:

Statistics:

Of the last 188,354 actions, this filter has matched 0 (0%). On average, its run time is 0.04 ms, and it consumes 1 condition of the condition limit.

Conditions:
(documentation)

added_lines rlike "\x{E0001}"

added_lines rlike "\x{E0001}"

Notes:

This filter detects the addition of Unicode Language Tags, which can be used to hide LLM prompts. U+E0001 is a deprecated character and no longer has a legitimate use. Other language tags are used to represent flags, but that sequence will start with U+1F3F4, not U+E0001. See [[Wikipedia:Village_pump_(technical)#c-LaundryPizza03-20260811203700-Edit_that_removed_275_control_characters]]

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Filter last modified:

12:20, 12 August 2026 by Ahecht (talk | contribs)

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{"data":{"rules":"added_lines rlike \"\\x{E0001}\"","name":"Adding invisible unicode tags","comments":"This filter detects the addition of Unicode Language Tags, which can be used to hide LLM prompts. U+E0001 is a deprecated character and no longer has a legitimate use. Other language tags are used to represent flags, but that sequence will start with U+1F3F4, not U+E0001. See [[Wikipedia:Village_pump_(technical)#c-LaundryPizza03-20260811203700-Edit_that_removed_275_control_characters]]","group":"default","actions":{"tag":["unicode tags"]},"enabled":true,"deleted":false,"privacylevel":0,"global":false},"actions":{"tag":["unicode tags"]}}

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Tag the edit in contributions lists and page histories

Tags to apply:

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(one per line, no commas, publicly visible)

unicode tags

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