On Thu, 16 Feb 2023 at 20:37, David Carlisle d.p.carlisle@xxxxxxxxx <
xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

> On 16/02/2023 20:30, Eliot Kimber eliot.kimber@xxxxxxxxxxxxxx wrote:
>
> want to match all files with a given extension except those that start
> with bfoob or bbarb.
>
> classically that would be
>
> |[^fb]|f[^o]|fo[^o]|b[^a]||ba[^r]).*\.txt
>

with ( not | at the start

([^fb]|f[^o]|fo[^o]|b[^a]|ba[^r]).*\.txt

> David
>
> XSL-List info and archive <http://www.mulberrytech.com/xsl/xsl-list>
> EasyUnsubscribe <http://lists.mulberrytech.com/unsub/xsl-list/2739265> (by
> email)
> XSL-List info and archive <http://www.mulberrytech.com/xsl/xsl-list>
> EasyUnsubscribe <http://lists.mulberrytech.com/unsub/xsl-list/2739265> (by
> email <>)