From: Brian Candler <B.Candler@...>
Date: 2008-11-30T04:17:22+09:00
Subject: [ruby-core:20167] Re: \Z? in regular expression in 1.9.1

On Sat, Nov 29, 2008 at 10:13:55PM +0900, David A. Black wrote:
>>> /a\Z?/.match("bcde").to_a
> => [""]
>
> I guess that's harmless but I can't think of any use for it.

That's gotta be a bug, and is potentially dangerous:

irb(main):001:0> puts "phooey" if /a/.match("bcde")
=> nil
irb(main):002:0> puts "phooey" if /a\Z?/.match("bcde")
phooey
=> nil