Re: New Public Review Issue: Proposed Update UTS #18

From: Doug Ewell (
Date: Mon Sep 24 2007 - 08:52:04 CDT

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    "Mike" <mike dash list at pobox dot com> wrote:

    >> I'd just like to point out that a "[ ]" regular expression is defined
    >> to match always exactly one character (if it matches at all).
    > Correct. Except that a Spanish speaker would consider "ch" to be a
    > single character even though you need two code points to represent it.

    I don't think it will ever really be feasible to define regular
    expressions in terms of specific languages, to the point of treating
    combinations of two or more base characters as a single matchable
    "character" on the basis that speakers of language X consider the
    combination to be a single "letter."

    Doug Ewell * Fullerton, California, USA * RFC 4645 * UTN #14

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