Yury Euceda wrote:
> Well, I have this option in my tool I developed. But I defined my own way due
> my
> own need (And well, I didn't know anything about this but I supposed to be
> necesary
> and I invented my own way not knowing the other notation)
> for example:
>
> a>>3
>
> defines that a MUST appear three times ---> aaa is accepted
>
> and
>
> a<<3
>
> defines that a can appear 0, 1, 2 or 3 times ---> epsilon, a , aa , aaa are
> accepted
>
> I would like to hear about your comments for my notation.
I think that notation is far less clear than the regular expression
notation that has been used in lexers for 30+ years. Ie
a{0,3}
Erik
--
----------------------------------------------------------------------
Erik de Castro Lopo
http://www.mega-nerd.com/
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