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davea at davea.name
Sat Jul 20 01:09:32 CEST 2013
On 07/19/2013 06:08 PM, Devyn Collier Johnson wrote:
> On 07/19/2013 01:59 PM, Steven D'Aprano wrote:
> As for the case-insensitive if-statements, most code uses Latin letters.
> Making a case-insensitive-international if-statement would be
> interesting. I can tackle that later. For now, I only wanted to take
> care of Latin letters. I hope to figure something out for all characters.
Once Steven gave you the answer, what's to figure out? You simply use
casefold() instead of lower(). The only constraint is it's 3.3 and
later, so you can't use it for anything earlier.
Return a casefolded copy of the string. Casefolded strings may be used
for caseless matching.
Casefolding is similar to lowercasing but more aggressive because it is
intended to remove all case distinctions in a string. For example, the
German lowercase letter 'ß' is equivalent to "ss". Since it is already
lowercase, lower() would do nothing to 'ß'; casefold() converts it to "ss".
The casefolding algorithm is described in section 3.13 of the Unicode
New in version 3.3.
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