From: Oliver Cromm <lispamateur@...>
Date: 2005-05-27T05:55:18+09:00
Subject: Strange split with parentheses in Regexp

I just stumbled over the following effect and (trial-and error)
workaround:

p "abcxyxyxydef".split(/(xy)+/)    #=> ["abc","xy","def"]
p "abcxyxyxydef".split(/(?:xy)+/)  #=> ["abc","def"]

Why this difference?
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