[erlang-questions] Parsing UUIDs with Leex

[Massimo Cesaro]

On Fri, Oct 11, 2019 at 6:30 PM Stanislaw Klekot <erlang.org@REDACTED>
wrote:

> On Fri, Oct 11, 2019 at 04:22:32PM +0200, Massimo Cesaro wrote:
> > Today I was trying to define a UUID data type in the DSL language using
> the
> > following definition in the leex .xlr file:
> >
> > UUID =
> >
> [0-9a-fA-F]{8}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{12}
> >
> > and the corresponding rule:
> > {UUID}       : {token, {uuid, TokenChars, TokenLine}}.
>
> Are you sure that {8} is not treated as a macro name?
>

Not really, I'm looking into leex source.


> Also, you don't need to quote your dashes with a backslash in the
> regexp.
>
> Yup, better safe than sorry. It didn't change the outcome, though.

Best regards,
Massimo

> --
> Stanislaw Klekot
>
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