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Re: alternation option end of string

X-seq: zsh-users 30610
From: Ray Andrews <rayandrews@xxxxxxxxxxx>
To: zsh-users@xxxxxxx
Subject: Re: alternation option end of string
Date: Fri, 1 May 2026 16:56:06 -0700
Archived-at: <https://zsh.org/users/30610>
In-reply-to: <CAA=-s3wEGdY1Ts1bO+vH-Z8C7RH8d2CWXERF+SxAtXFpGoxgNA@mail.gmail.com>
List-id: <zsh-users.zsh.org>
References: <b145bb3c-51ee-4088-8b6b-12c6b440d9e6@eastlink.ca> <CAA=-s3wEGdY1Ts1bO+vH-Z8C7RH8d2CWXERF+SxAtXFpGoxgNA@mail.gmail.com>

On 2026-05-01 15:39, Mark J. Reed wrote:

$

e.g. 'a(b|$)' will match an a that is either followed by a b or at the end of the strings

^ matches the beginning

Thanks Mark, just the thing.

I think Ray means a glob pattern, not a regular _expression_?

Nope, just string matches.

Mark J. Reed <markjreed@xxxxxxxxx>

On Fri, May 1, 2026 at 18:32 Ray Andrews <rayandrews@xxxxxxxxxxx> wrote:

I know how to do an alternation, but how do you make one of the choices 'nothing' meaning end of string?

Follow-Ups:
- Re: alternation option end of string
  - From: Ray Andrews

References:
- alternation option end of string
  - From: Ray Andrews
- Re: alternation option end of string
  - From: Mark J. Reed

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