Yes, the /g flag is confusing, because the regular expression kind of turns
into an iterator. I’d much prefer an actual iterator-based API that doesn’t
mutate the regular expression.
On Jul 16, 2014, at 9:26 , Alex Vincent <ajvinc...@gmail.com> wrote:
> r = /\u0020+$/g; p = r.exec(" "); q = r.exec(" "); JSON.stringify([p, q])
> // "[[\" \"],null]"
>
> Why does calling exec the second time generate null? When I try the regular
> expression without the /g flag, I get:
> // "[[\" \"],[\" \"]]"
>
>
>
> --
> "The first step in confirming there is a bug in someone else's work is
> confirming there are no bugs in your own."
> -- Alexander J. Vincent, June 30, 2001
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--
Dr. Axel Rauschmayer
a...@rauschma.de
rauschma.de
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