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Re: [[ 'abcde' =~ (#i)Bcd ]]

X-seq: zsh-users 28327
From: Ray Andrews <rayandrews@xxxxxxxxxxx>
To: zsh-users@xxxxxxx
Subject: Re: [[ 'abcde' =~ (#i)Bcd ]]
Date: Mon, 7 Nov 2022 13:47:11 -0800
Archived-at: <https://zsh.org/users/28327>
In-reply-to: <CAN=4vMoJNYik=AGE4G201Qa7K_qDMTJN91xEb_thxc5i8vpwCw@mail.gmail.com>
List-id: <zsh-users.zsh.org>
References: <9bc02014-76ca-b2c0-5f7c-284b90884225@eastlink.ca> <CAN=4vMoJNYik=AGE4G201Qa7K_qDMTJN91xEb_thxc5i8vpwCw@mail.gmail.com>


On 2022-11-07 13:26, Roman Perepelitsa wrote:

[[ 'abcde' =~ (#i)Bcd ]] && echo match3

(#i) only works with pattern matching.


But isn't that a pattern match?

[[ 'abcde' = (#i)ABcde ]] && echo match2

... that seems happy so it would seem that wildcards aren't required.

In this specific case it's better to use pattern matching of course:

     [[ $foo == (#i)*abc* ]] && echo match

That's what puzzles me I expect:

[[ $foo == (#i)*abc* ]] && echo match

and:

[[ $foo =~ (#i)abc ]] && echo match

... to be exactly the same. If not, why not? Actually there are several workarounds but still I'd expect that to work too.

Follow-Ups:
- Re: [[ 'abcde' =~ (#i)Bcd ]]
  - From: Lawrence Velázquez

References:
- [[ 'abcde' =~ (#i)Bcd ]]
  - From: Ray Andrews
- Re: [[ 'abcde' =~ (#i)Bcd ]]
  - From: Roman Perepelitsa

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