POSIX Regular Expression Funnyness

Doug Gwyn gwyn at smoke.BRL.MIL
Sat Jan 28 15:22:33 AEST 1989


In article <11148 at ulysses.homer.nj.att.com> smb at ulysses.homer.nj.att.com (Steven M. Bellovin) writes:
>I suspect that POSIX is trying to deal with non-contiguous alphabets,
>that is, alphabets where [a-z] does not include all lower-case letters.

I have no objection to the notion of an "alpha class" specifier etc.
In fact it seems like the only possible way to deal correctly with
general locales.  I do object to the notion of denoting a single
character in a special way just because it's a multibyte sequence.

>Their syntax is quite ugly, though.

Yes!



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