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Re: alternation option end of string

X-seq: zsh-users 30608
From: "Mark J. Reed" <markjreed@xxxxxxxxx>
To: Ray Andrews <rayandrews@xxxxxxxxxxx>
Cc: Zsh Users <zsh-users@xxxxxxx>
Subject: Re: alternation option end of string
Date: Fri, 1 May 2026 18:39:11 -0400
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Archived-at: <https://zsh.org/users/30608>
In-reply-to: <b145bb3c-51ee-4088-8b6b-12c6b440d9e6@eastlink.ca>
List-id: <zsh-users.zsh.org>
References: <b145bb3c-51ee-4088-8b6b-12c6b440d9e6@eastlink.ca>

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

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
- Re: alternation option end of string
  - From: Bart Schaefer

References:
- alternation option end of string
  - From: Ray Andrews

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