Re: how to match the first pattern

On Mon, Jul 30, 2018 at 1:55 PM, Chr. von Stuckrad
<stucki@mi.fu-berlin.de> wrote:
> On Mon, 30 Jul 2018, Sand Glass wrote:
>
>> On Saturday, July 28, 2018 at 3:18:23 PM UTC+8, Sand Glass wrote:
>> > how can I stop the pattern at the first "]"?
>> It's good in vim. Then I try to use the regular in perl script, but failed.
>
> Same 'thing', i.e. the shortest match, so (in linux 'man perlre')
> as far as I remember a '?' behind the '*' makes it 'non-greedy'
> and this \[.*?\] gives 'the next closing ']' .
>
> Stucki

Ah yes, there are several regular-expression "dialects", often quite
similar but not always strictly identical, and depending on whether
you are using grep (which has two: "normal" and "extended"), Vim
(which has four: "very nomagic", "nomagic", "magic" and "very magic"),
perl, less, etc. you need to always use just the precisely right
dialect for whichever RE engine will be interpreting it.

Best regards,
Tony.

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