On 14/06/2019 11:56, Carsten Bormann wrote:
> Now the main deployability problem with W3C XSD regexes is that they added
> some functionality that is sorely missing in other dialects, such as
> character class subtraction, so it is more than an hour of work to write a
> converter from XSD
On Jun 14, 2019, at 12:08, Rob Wilton (rwilton) wrote:
>
> Or perhaps we could define a regex language that worked with normal
> implementations without requiring any conversion.
Unlikely, as it is easy to write an regex that inadvertently triggers some
“feature" in a specific flavor. So you
> -Original Message-
> From: Carsten Bormann
> Sent: 14 June 2019 10:57
> To: Rob Wilton (rwilton)
> Cc: Juergen Schoenwaelder ; Robert
> Varga ; NETMOD WG
> Subject: Re: [netmod] regular expression flavours (again)
>
> On Jun 14, 2019, at 11:29,
On Jun 14, 2019, at 11:29, Rob Wilton (rwilton) wrote:
>
> I'm sure that someone can post an XKCD of why this is a bad idea
Yeah, going ahead and standardizing another regex dialect that is subtly
incompatible with everything else is exactly what we need.
We could even make sure that
> -Original Message-
> From: netmod On Behalf Of Juergen Schoenwaelder
> Sent: 13 June 2019 15:07
> To: Robert Varga
> Cc: NETMOD WG
> Subject: Re: [netmod] regular expression flavours (again)
>
> >
> > Can we engineer a workable solution for the
On Jun 14, 2019, at 09:58, Ladislav Lhotka wrote:
>
> I agree with all this but, apparently, OpenConfig people don't care too much.
> And since they are much more agile than the IETF, our views may soon become
> irrelevant.
If this becomes our attitude, we already are irrelevant.
I have no
On Wed, 2019-06-12 at 11:25 +0200, Juergen Schoenwaelder wrote:
> On Wed, Jun 12, 2019 at 10:01:30AM +0200, Ladislav Lhotka wrote:
>
> > I think it is very unfortunate that OpenConfig folks use POSIX regular
> > expressions instead of XSD. This of course causes confusion, see e.g. this
> > PR:
>
On Thu, Jun 13, 2019 at 03:31:49PM +0200, Robert Varga wrote:
> On 12/06/2019 11:25, Juergen Schoenwaelder wrote:
> > That said, they do seem to declare something like
> > oc-ext:regexp-posix; but it would have been much smarter to use for
> > example oc-posix:regex instead of changing the
Robert Varga wrote:
> On 12/06/2019 11:25, Juergen Schoenwaelder wrote:
> > That said, they do seem to declare something like
> > oc-ext:regexp-posix; but it would have been much smarter to use for
> > example oc-posix:regex instead of changing the semantics of the
> > pattern statement.
>
>
On 12/06/2019 11:25, Juergen Schoenwaelder wrote:
> That said, they do seem to declare something like
> oc-ext:regexp-posix; but it would have been much smarter to use for
> example oc-posix:regex instead of changing the semantics of the
> pattern statement.
Yes, this would be preferable, but it
On 12/06/2019 13:01, Ladislav Lhotka wrote:
>>> What I meant was rather something like
>>>
>>> pattern-language "POSIX";
>>>
Yeah, that is what I proposed here:
https://github.com/openconfig/public/issues/44#issuecomment-416320334
>> But depending on how many pattern languages are supported,
On Wed, 2019-06-12 at 09:53 +, Rob Wilton (rwilton) wrote:
> Hi Lada,
>
> > -Original Message-
> > From: Ladislav Lhotka
> > Sent: 12 June 2019 10:40
> > To: Rob Wilton (rwilton) ; NETMOD WG
> > Subject: Re: [netmod] regular express
Hi Lada,
> -Original Message-
> From: Ladislav Lhotka
> Sent: 12 June 2019 10:40
> To: Rob Wilton (rwilton) ; NETMOD WG
> Subject: Re: [netmod] regular expression flavours (again)
>
> Hi Rob,
>
> On Wed, 2019-06-12 at 09:25 +, Rob Wilton (
cking it.
Lada
>
> Thanks,
> Rob
>
>
> > -Original Message-
> > From: netmod On Behalf Of Ladislav Lhotka
> > Sent: 12 June 2019 09:02
> > To: NETMOD WG
> > Subject: [netmod] regular expression flavours (again)
> >
> > Hi,
>
uld become part of the YANG standard.
Thanks,
Rob
> -Original Message-
> From: netmod On Behalf Of Ladislav Lhotka
> Sent: 12 June 2019 09:02
> To: NETMOD WG
> Subject: [netmod] regular expression flavours (again)
>
> Hi,
>
> I think it is very unfortunate th
On Wed, Jun 12, 2019 at 10:01:30AM +0200, Ladislav Lhotka wrote:
> I think it is very unfortunate that OpenConfig folks use POSIX regular
> expressions instead of XSD. This of course causes confusion, see e.g. this PR:
>
> https://github.com/CZ-NIC/yangson/pull/22
>
> Given the popularity of
Hi,
I think it is very unfortunate that OpenConfig folks use POSIX regular
expressions instead of XSD. This of course causes confusion, see e.g. this PR:
https://github.com/CZ-NIC/yangson/pull/22
Given the popularity of OpenConfig models, it seems to me that it would be
better if YANG somehow
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