From: Matt Austern (austern_at_[hidden])
Date: 2002-01-30 12:07:28
John Maddock wrote:
>>Using locales, you can lexicographically compare strings. However, in
>>context, you need to compare strings while ignoring case, and I don't
>>that being part of the locale framework.
> You can do case conversion using the std::ctype facet, but there is no
> caseless string compare facility as such.
Besides, case-insensitive string comparison raises two more questions.
First, which locale do you do it in? The program's global locale is
surely the wrong answer. Second, std::ctype's mechanism for case
conversion isn't quite right. It assumes you can do case conversion one
letter at a time and it assumes that the uppercase version of a string
always has the same number of characters as the lowercase version. Both
assumptions are wrong.
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