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Re: how to show 0-n occurences
You could use the ? operator n times (although the parser for this would
take a long time to generate).
rule = token? token? token? token?
Rajat Solan wrote:
> I have not been able to figure out , how to represent 0-n occurrences of
> any token in a production rule.
> Like we use * to show 0 or more occurrences ,+ to show 1 or more
> occurrence , ? to show 0 or 1 occurrence, how do I specify 0 to n
> science of any token .