[erlang-questions] Parsing UUIDs with Leex

[Håkan Huss]

Den lör 12 okt. 2019 14:39Massimo Cesaro <massimo.cesaro@REDACTED> skrev:

>
> 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.
>

Looking at the Leex docs for the supported regexes it seems that the {n}
construct isn't supported.

/Håkan
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