Last modified: 2013-01-31 23:01:04 UTC

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Bug 36129 - AbuseFilter extensions do not support Unicode in regular expressions
AbuseFilter extensions do not support Unicode in regular expressions
Status: RESOLVED DUPLICATE of bug 22761
Product: MediaWiki extensions
Classification: Unclassified
AbuseFilter (Other open bugs)
unspecified
All All
: High normal with 1 vote (vote)
: ---
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2012-04-20 17:33 UTC by DavidL
Modified: 2013-01-31 23:01 UTC (History)
4 users (show)

See Also:
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Assignee Huggle Beta Tester: ---

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Description DavidL 2012-04-20 17:33:20 UTC 
The AbuseFilter extension documentation at https://www.mediawiki.org/wiki/Extension:AbuseFilter/RulesFormat for the rlike/regex keywords claims to use PCRE, but Unicode support is not implemented : PCRE syntax is not fully supported like the (*UCP) option.

The following example returns true because accentued characters and all non-7-bit-ASCII characters are considered as word-break/whitespace and matched by \b :
  "testé" regex "\btest\b"
It should return false instead of true.

Unicode should be supported as AbuseFilter is not only used on English projects, either by enabling option (*UCP) or by activating Unicode support by default.
Comment 1 Siddhartha Ghai 2012-07-27 10:48:46 UTC 
Bug 17830 might be relevant for \b usage.
Comment 2 DavidL 2012-07-28 09:33:52 UTC 
Bug 17830 is about doubling \ to get \b working, whereas in this case \b only work for ASCII 7 bits characters only, (all extended Unicode characters are considered as word break).
Comment 3 Mark Nelson 2013-01-31 23:01:04 UTC 

*** This bug has been marked as a duplicate of bug 22761 ***
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