From: "冷雨" <raincolee@...>
Date: 2010-10-17T12:56:28+09:00
Subject: Re: Can't understand String#split's behavior

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Sorry for my careless.
And thank you very match.


On Sun, Oct 17, 2010 at 10:42 AM, botp <botpena@gmail.com> wrote:

> On Sun, Oct 17, 2010 at 8:46 AM, =E5=86=B7=E9=9B=A8 <raincolee@gmail.com>=
 wrote:
> > I think that /A/ and /(A)/ are almost equivalent,
>
> almost
>
> > but why can't I use /(A)/ to split string?
>
> as documented, you can, but w a different behaviour/result for split
>
>
> (from ruby core)
> =3D=3D=3D Implementation from String
>
> -------------------------------------------------------------------------=
-----
>  str.split(pattern=3D$;, [limit])   -> anArray
>
>
> -------------------------------------------------------------------------=
-----
>
> Divides str into substrings based on a delimiter, returning an array of
> these substrings.
>
> If pattern is a String, then its contents are used as the
> delimiter when splitting str. If pattern is a single
> space, str is split on whitespace, with leading whitespace and runs of
> contiguous whitespace characters ignored.
>
> If pattern is a Regexp, str is divided where the pattern
> matches. Whenever the pattern matches a zero-length string, str is split
> into individual characters. If pattern contains groups, the
> respective matches will be returned in the array as well.
> ....
>
>

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