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From: Bart Schaefer <schaefer@brasslantern.com>
Message-Id: <151008094643.ZM4110@torch.brasslantern.com>
Date: Thu, 8 Oct 2015 09:46:43 -0700
In-Reply-To: <20151008102315.0136766a@pwslap01u.europe.root.pri>
Comments: In reply to Peter Stephenson <p.stephenson@samsung.com>
        "Re: Matching beginning and end of word" (Oct  8, 10:23am)
References: <CAKc7PVCzoPWBkqYYxE85tndwWT9nY35QSMdg9WPv7A3ofVDuoA@mail.gmail.com> 
	<20151008102315.0136766a@pwslap01u.europe.root.pri>
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To: zsh-users@zsh.org
Subject: Re: Matching beginning and end of word
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On Oct 8, 10:23am, Peter Stephenson wrote:
}
} We do have the special chracter range [[:WORD:]].  So I think you need
} to check both possibilities, using the (#s) for start (or (#e) for end)
} that Bart pointed out yesterday.

The problem is that [^[:WORD:]] matches one character, whereas \< \>
match an empty string in between two characters.  It's difficult if
not impossible construct a generic pattern for that.  Whether you can
achieve the desired effect depends on the context; Peter's answer is
fine if you're simply comparing, but if an s/// repacement is desired
you have to be more careful.