From: Simon Strandgaard <neoneye@...>
Date: 2004-06-11T05:24:59+09:00
Subject: Re: String#scan strangeness

On Thursday 10 June 2004 18:49, Gennady wrote:
> I am just wondering why String#scan "looses" a group in every match. I
> would expect the following result:

when using sub-captures, then #scan returns an array of sub-captures.
This does not include capture[0].. which is the full-match.

"abcd".scan(/(.)(.)/)
#=> [["a", "b"], ["c", "d"]]

when not using sub-captures at all, then #scan returns only full-matches.

"abcd".scan(/../)
#=> ["ab", "cd"]

--
Simon Strandgaard