* Regex not halt caputre second slash
@ 2023-08-14 10:41 Budi
2023-08-14 12:59 ` Eric Cook
0 siblings, 1 reply; 4+ messages in thread
From: Budi @ 2023-08-14 10:41 UTC (permalink / raw)
To: zsh-workers
Zsh pcre (=~) regex of repeated any char. i.e. .* capture the first
slash but going on then cease to capture any of the rest string when
meet the second slash characters also not capture it
Please help solve !
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Regex not halt caputre second slash
2023-08-14 10:41 Regex not halt caputre second slash Budi
@ 2023-08-14 12:59 ` Eric Cook
2023-08-14 23:07 ` Budi
0 siblings, 1 reply; 4+ messages in thread
From: Eric Cook @ 2023-08-14 12:59 UTC (permalink / raw)
To: zsh-workers
On 8/14/23 06:41, Budi wrote:
> Zsh pcre (=~) regex of repeated any char. i.e. .* capture the first
> slash but going on then cease to capture any of the rest string when
> meet the second slash characters also not capture it
>
> Please help solve !
>
Can you provide a reproducible example of what you are attempting to do?
Also [['s =~ operator doesn't conform to PCRE by default, its an ERE expression.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Regex not halt caputre second slash
2023-08-14 12:59 ` Eric Cook
@ 2023-08-14 23:07 ` Budi
2023-08-15 0:24 ` Lawrence Velázquez
0 siblings, 1 reply; 4+ messages in thread
From: Budi @ 2023-08-14 23:07 UTC (permalink / raw)
To: Eric Cook; +Cc: zsh-workers
OMG
Finally found one of the most subtle trooubles in Zsh:
MUST ENCLOSE ZSH REGEX IN DOUBLE QUOTE PAIR, " "
THANKS
On 8/14/23, Eric Cook <llua@gmx.com> wrote:
> On 8/14/23 06:41, Budi wrote:
>> Zsh pcre (=~) regex of repeated any char. i.e. .* capture the first
>> slash but going on then cease to capture any of the rest string when
>> meet the second slash characters also not capture it
>>
>> Please help solve !
>>
> Can you provide a reproducible example of what you are attempting to do?
> Also [['s =~ operator doesn't conform to PCRE by default, its an ERE
> expression.
>
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Regex not halt caputre second slash
2023-08-14 23:07 ` Budi
@ 2023-08-15 0:24 ` Lawrence Velázquez
0 siblings, 0 replies; 4+ messages in thread
From: Lawrence Velázquez @ 2023-08-15 0:24 UTC (permalink / raw)
To: Budi, Eric Cook; +Cc: zsh-workers
On Mon, Aug 14, 2023, at 7:07 PM, Budi wrote:
> OMG
>
> Finally found one of the most subtle trooubles in Zsh:
>
> MUST ENCLOSE ZSH REGEX IN DOUBLE QUOTE PAIR, " "
Demonstrably untrue, in general.
% var=/a/b/c/d/
% [[ $var =~ .* ]] && typeset -p MATCH
typeset MATCH=/a/b/c/d/
% setopt RE_MATCH_PCRE
% [[ $var =~ .* ]] && typeset -p MATCH
typeset MATCH=/a/b/c/d/
--
vq
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2023-08-15 0:24 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2023-08-14 10:41 Regex not halt caputre second slash Budi
2023-08-14 12:59 ` Eric Cook
2023-08-14 23:07 ` Budi
2023-08-15 0:24 ` Lawrence Velázquez
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