Re: "+" and "-" are numbers.
Re: "+" and "-" are numbers.
- Subject: Re: "+" and "-" are numbers.
- From: "Arthur J. Knapp" <email@hidden>
- Date: Mon, 05 Aug 2002 16:18:28 -0400
>
Subject: Re: "+" and "-" are numbers.
>
Date: Sat, 3 Aug 2002 14:24:11 +0100
>
From: Nigel Garvey <email@hidden>
Belated response...
>
"Arthur J. Knapp" wrote on Fri, 02 Aug 2002 13:42:36 -0400:
>
> P.S. If someone asked Nigel Garvey very politely, he could probably
>
> come up with a much nicer and robust number parsing routine. :)
>
Oh please, Arthur! Life's too short.... ;-)
;-)
>
Seriously, though: I would think it unlikely that anyone would want to
>
parse numbers from from a random text - where numbers generally have
>
white space fore and aft and may even be written out as words - without
>
reference to anything else in the document.
Yes, typically we obtain a number from something like this:
"<font size=12>"
where we already have far more contextual means of finding the number's
general starting location. However, (using html as an example), the same
bit of text could be legally typed in any of the following ways:
<font size = 12 >
<font size="12">
<font size = "12" >
<font size =
12>
which can make the extraction of "12" a bit annoying.
In practice, I do find it convenient to parse a string down to
just that part where I know a single number exists, and then to
let a generic number parsing routine take care of the details,
especially when it is just a matter of trimming initial whitespace.
{ Arthur J. Knapp, of <
http://www.STELLARViSIONs.com>
a r t h u r @ s t e l l a r v i s i o n s . c o m
}
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