On 19 Dec 2008, at 19:48, Corey Murphy <rails-mailing-l...@andreas-
s.net> wrote:
>
> Why would the following regular expression produce the results below?
>
> ****input:
> john,doe,"1,200.99",training,12345
>
> ****code executed on input:
> values = line.split(/("\d*,\d+\.\d*")|,/)
>
> ****output:
> ["john","doe","","1,200.99","","training","12345"]
>
Pretend you're split. You see the comma after doe so you split. Then
you see the other part of your regex and so you split again, resulting
in the empty array
Fred
> What's up with the two empty array indexes that are generated during
> the
> split surrounding my dollar value?
>
> The regular expression is pretty explicit and the input string doesn't
> contain anything that should cause them when run through the
> expression,
> yet there they are so obviously I'm doing something wrong in my
> regexp.
> Help.
> --
> Posted via http://www.ruby-forum.com/.
>
> >
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