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Could someone please update the code to exclude the Draft and Draft talk namespaces, per the discussion at Wikipedia talk:HotCat#Disable HotCat in Draft namespace? Thanks! GoingBatty ( talk) 15:41, 31 January 2015 (UTC) reply

Not done: please establish a consensus for this alteration before using the {{ edit protected}} template. GoingBatty, I'm closing this request temporarily pending more discussion on the linked page where I have opposed the change. I'll be more than happy to reinstate the request if there is consensus after my concern has been addressed. — {{U| Technical 13}} ( e • t • c) 16:06, 31 January 2015 (UTC) reply

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When categorizing a userbox template, gadget HotCat incorrectly removes {{nocat|}} from {{{nocat|}}}, confusing a transclusion of template {{ nocat}} with usage of a named parameter {{{nocat|}}}, which leaves |nocat={} in transclusion of {{ userbox}}. Examples: Special:Diff/900767578, Special:Diff/956639287. To fix this, please change line 3 from:

  HotCat.uncat_regexp = /\{\{\s*([Uu]ncat(egori[sz]ed)?|[Nn]ocat|[Nn]eedscategory|[Cc]ategori[sz]e)[^}]*\}\}/g ;

to

  HotCat.uncat_regexp = /(?=[^{]|^)\{\{\s*([Uu]ncat(egori[sz]ed)?|[Nn]ocat|[Nn]eedscategory|[Cc]ategori[sz]e)[^}]*\}\}/g ;

which will disallow removing {{ nocat}} from {{{nocat|}}}. This was reported at Village pump and Wikipedia talk:HotCat. I've tested the regular expression at regex101.com. —⁠ andrybak ( talk) 16:13, 14 May 2020 (UTC) reply

Andrybak, the regex doesn't work when there are spaces or other characters preceding the template. A proper regex would require negative look-behinds but that isn't available on ES5 javascript and I couldn't hack together one that works with spaces. Galobtter ( pingó mió) 05:53, 15 May 2020 (UTC) reply

Galobtter, what if we removed the space with the template transclusion? It's unlikely to be useful after removing the template transclusion. And it's almost never happens in practice:

• {{uncat}}
• {{uncategorized}} (all namespaces except User), all instance in namespace User are either in sandbox or in a copy of code of HotCat
• {{uncategorised}}
• {{nocat}}
• {{categorize}}
• {{categorise}}

The regex would be:

  HotCat.uncat_regexp = /((?=[^{]|^)| )\{\{\s*([Uu]ncat(egori[sz]ed)?|[Nn]ocat|[Nn]eedscategory|[Cc]ategori[sz]e)[^}]*\}\}/g ;

Regex test. While checking searches, I've noticed that Template:Needscategory doesn't exist and isn't used. It could probably safely removed from the regex. —⁠ andrybak ( talk) 08:58, 15 May 2020 (UTC) reply

 Done Reasonable. Galobtter ( pingó mió) 04:49, 16 May 2020 (UTC) reply

Galobtter, I did some test edits, and this change seems to break removal of these tags: Special:Diff/956979593. I've also switched the test to ECMAScript: https://regex101.com/r/8hX6lT/5 (menu "Flavor" on the left), but it seems to work fine there. I might be doing something incorrectly. —⁠ andrybak ( talk) 10:58, 16 May 2020 (UTC) reply

Andrybak, I think I fixed it Galobtter ( pingó mió) 18:24, 16 May 2020 (UTC) reply

Galobtter, thanks. Looks good now: Special:Diff/957046108, Special:Diff/957046191. —⁠ andrybak ( talk) 18:27, 16 May 2020 (UTC) reply