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Maybe I'm better off forcefully converting all input and output to UTF-8

Yes. For many reasons, it is best to decode all inputs, and encode all output.

I still feel this is a bug in Perl, though.

I believe Perl doesn't support multi-byte locales (e.g. UTF-8).

Effort is placed on Unicode instead instead of adding to the locale system.

Is there a way – perhaps debugging argument – to see what \w applies to?

perlre: Match a "word" character (alphanumeric plus "_").

The following are equivalent:

( No, this is wrong )

/\w/ # When no locale, when not restricted to ASCII /\p{Word}/ /[_\p{Alnum}]/ /[_\p{Alphabetic}\p{Nd}]/

Derived property "Alphabetic". (100,520 codepoints in Perl 5.12.2)
Unicode character category "Nd". (411 codepoints in Perl 5.12.2)

Actual lists vary by version of Unicode and thus by version of Perl.


In reply to Re^3: use locale broken? (\w) by ikegami
in thread use locale broken? by december

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