Re: [Pyparsing] Required Class?

[Russell D. <Rus...@as...>]

On Tue, Sep 27, 2011 at 10:58 PM, Paul McGuire <pt...@au...> wrote:
> You can disable the backtracking within an a, b, c, or d by using the '-'
> operator instead of '+':
>
> a = a_header - a_data
> b = b_header - b_data
> c = c_header - c_data
> d = d_header - d_data
>
> I think this will accomplish what you wanted with Required.

awesome, thanks, that's exactly what I was looking for.