Re: Matching -- in a string

[peterhickman <peterhi@...>]

I thought that there was a way of escaping it but couldn't work it  
out. Thanks for that.

On 5 Jan 2008, at 12:40 , Peter Odding wrote:

> '-' has a special meaning as a pattern item. You can either escape  
> it with %- or use the optional fourth parameter to string.find that  
> turns off pattern matching:
>
> > = string.find(a, '%-%-')
> 17      18
> > = string.find(b, '%-%-')
> nil
> > = string.find(a, "--", 1, true)
> 17      18
> > = string.find(b, "--", 1, true)
> nil
>
> peterhickman schreef:
> > I am trying to do the following:
> > a = 'this line has a -- comment'
> > b = 'this line does not'
> > print(string.find(a,"--"))
> > print(string.find(b,"--"))
> > but in both cases the results are
> > 1   0
> > 1   0
> > how do I match "--" in a string?
> > --
> > Fear is Money

--
Java: There is only so much you can do in a straight jacket