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From: Stephane Chazelas <stephane@chazelas.org>
To: zzapper <zsh@rayninfo.co.uk>
Cc: zsh-users@zsh.org
Subject: Re: Can I test if a parameter expansion has worked
Date: Tue, 20 Sep 2022 14:25:51 +0100	[thread overview]
Message-ID: <20220920132551.vetlxrk7swkb4c4w@chazelas.org> (raw)
In-Reply-To: <f93d2561-a8d8-c952-2aeb-8bcf43eef1cb@rayninfo.co.uk>

2022-09-15 08:34:34 +0100, zzapper:
[...]
> if [[ $f =~ '.jpg|gif|png|jpeg' ]] ;then echo 'ok' ;else echo 'nok' ;fi
[...]

ITYM

if [[ $f =~ '\.(jpe?g|gif|png)$' ]]

Or (better as regexps can often not be used with non-text while
zsh globs can):

if [[ $f = *.(jp(e|)g|gif|png) ]]

-- 
Stephane


  parent reply	other threads:[~2022-09-20 13:26 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-14 10:03 zzapper
2022-09-14 18:36 ` Bart Schaefer
2022-09-15  0:08 ` Alex Satrapa
2022-09-15  7:34 ` zzapper
2022-09-15  8:24   ` Peter Stephenson
2022-09-15  8:38     ` zzapper
2022-09-15 16:48   ` Bart Schaefer
2022-09-20  7:14     ` david rayner
2022-09-16  0:41   ` Alex Satrapa
2022-09-20 12:49   ` Stephane Chazelas
2022-09-20 13:25   ` Stephane Chazelas [this message]
2022-09-20 13:31     ` Stephane Chazelas

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