Censor words should support sentence level censoring for Chinese

zogstrip · 16 februari 2026 om 14:45

We should have proper “word boundaries” handling for Chinese now thanks to

github.com/discourse/discourse

FIX: support CJK and spaceless scripts in watched word boundaries (#37844)

main ← fix/watched-words-cjk-boundaries

merged 05:04PM - 16 Feb 26 UTC

ZogStriP

+84 -9

Watched words failed to match in CJK (Chinese, Japanese, Korean) and other space…less scripts because word boundary detection relied on whitespace or non-word characters. Languages like Chinese don't use spaces between words, so "测试" inside "这是一个测试文本" was never matched. Introduce a SPACELESS_SCRIPTS constant covering Han, Hiragana, Katakana, Hangul, Thai, Lao, Myanmar, Khmer, and Tibetan Unicode ranges. Update `match_word_regexp` for both Ruby and JS engines so that characters from these scripts are treated as word boundaries. This allows a CJK watched word to match when surrounded by other CJK characters, and a Latin watched word to match when adjacent to CJK text (e.g., "Test" in "我的Test很好"), while still preventing partial Latin matches (e.g., "Testing" does not match "Test"). Also fix the admin watched word testing modal to use `RegExp.exec()` with capture group extraction instead of `String.match()`, since the new boundary patterns include a leading consuming group. Remove the outdated "non-chrome browsers do not support lookbehind" comment — all major browsers have supported lookbehind since 2023. https://meta.discourse.org/t/71288 https://meta.discourse.org/t/396109

Topic		Antwoorden	Weergaven
Censored words do not respect word boundaries in non-latin alphabet Bug	8	1539	29 november 2018
Censored pattern Bug	8	2255	12 januari 2018
* wildcards in Watched Words (Censor) don't work Feature	20	3210	11 januari 2018
Hope Watched words adds support for non-English characters Bug	2	61	20 februari 2026
A closing round bracket breaks word censoring Bug	5	1450	13 september 2017

Censor words should support sentence level censoring for Chinese

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