Re: [xml] caret in regexp character class

[Csaba Raduly <rcsaba gmail com>]

On Tue, Mar 7, 2017 at 2:48 PM, Per Hedeland  wrote:
> Hello,
>
> With libxml2-2.9.4, the regular expression [ab^cd] is equivalent to
> [^cd], i.e. it matches all characters except 'c' and 'd'. However from
> my reading of
> https://www.w3.org/TR/2001/REC-xmlschema-2-20010502/#regexs, (1) the
> caret has no special meaning unless it is the first character of the
> charGroup in a charClassExpr, i.e. the above regexp should match the
> characters 'a', 'b', '^', 'c', and 'd'.

...

> I.e. I believe the current behavior is a bug, and that the correct
> behavior is (1).

I believe you are correct.

Csaba
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