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Yes that worked, but I intend to convert the digits of my array to floats,
and I get a NoMethodError on to_f now when I do this:

digits[0] = digits[0].to_f

I don't understand that :-/


2006/2/12, Wilson Bilkovich <wilsonb / gmail.com>:
>
> Well, that's what I get for dashing off a quick e-mail before dinner.
> The last problem Alexis mentioned is caused by the overly-specific
> lookahead at the end.  Here's a version that fixes that:
>
> irb(main):013:0> a = '24.5 + 24 + 24. + 24.4.'
> => "24.5 + 24 + 24. + 24.4."
> irb(main):014:0> a.scan /[-+]?(\d+(?:\.\d+)?)(?=[^\d])/
> => [["24.5"], ["24"], ["24"], ["24.4"]]
> irb(main):015:0>
>
> One of the characters '-' or '+', optionally
> Followed by at least one digit.
> Followed by an optional group containing a period, and one or more digits.
> The capturing group ends when the next character is something other
> than a digit.
>
> The (?:) mess is there so that '24.' doesn't end up with the period on the
> end.
>
> On 2/11/06, Jeppe Jakobsen <jeppe88 / gmail.com> wrote:
> > Seems I accidently got my text marked as a qoute in my last mail, so
> I'll
> > just send it a again:
> >
> > Let me see if I got it right then. I'll like to use periods only for my
> > decimal numbers. I also need normal integers so 24. being accepted won't
> > matter. Will this fix the problems you presented?:
> > /[-+]?(\d+\.?\d*)(?=\s|$)/
> >
> >
> > I don't know if it takes care of the last problem, because I didn't
> > understand it.
> >
> >
> > 2006/2/12, Jeppe Jakobsen <jeppe88 / gmail.com>:
> > >
> > > 2006/2/12, Alexis Reigel <mail / koffeinfrei.org>:
> > > >
> > > > >
> > > > > This should handle periods or commas as the separator.
> > > > >
> > > > > a = "24,4 + 55,2 + 55 - 44,0"
> > > > >    => "24,4 + 55,2 + 55 - 44,0"
> > > > > a.scan /(\d+,?.?\d*)(?=\s|$)/
> > > > >    => [["24,4"], ["55,2"], ["55"], ["44,0"]]
> > > > >
> > > >
> > > > Some problems here:
> > > > - signs are disregarded ("-24,4" becomes "24,4")
> > > > - Invalid numbers are accepted: eg. "24,.4" "24,." "24." "24,"
> > > > - "." should be escaped. As you used it here, it means "any
> character"
> > > > (except newline), so many invalid numbers are accepted (e.g.
> "24w"...)
> > > > - If something different from whitespace follows the number, it is
> not
> > > > or false accepted, e.g. "24.4." becomes "4." instead of "24.4"
> > > > - ...
> > > >
> > > >
> > > > Alexis.
> > >
> > >
> >
> >
>
>


--
"winners never quit, quitters never win"

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