Re: regexp: different match, re=1 vs re=0

On Thu, Aug 22, 2013 at 10:14 PM, Bram Moolenaar <Bram@moolenaar.net> wrote:

William Fugh wrote:

> Version: 7.4, gVim, MS-DOS/MS-Windows
> =========================================================
> :%s#\[\(com\|ref\|ex\|p\|i\|u\|s\|b\)\]\zs\s\+\|\s\+\ze\[/\(com\|ref\|ex\|p\|i\|u\|s\|b\)\]\|[({]\zs\s\+\|\s\+\ze[)}]\|\s\zs\s\+\|\s\+\ze[,;.]\([^.,;]\)##g
> ----------------------------------------------------------------------------------------------------------------
> the command line as above, one line for test as follows, <Space> means a
> space.
> -----------------------------------------------------------------------------------------------------------------
> This<Space>is<Space><Space><Space>[a<Space>test.
> =========================================================
> Result of re=1: This<Space>is<Space>[a<Space>test.
> Result of re=0: This<Space>is<Space><Space>test.

> ==============================================================*

> Both of these regexp engines have the same result if the following command

> line is used:-)*

> ---------------------------------------------------------------------------------------------------------------------------
> :%s#\[\(com\|ref\|ex\|p\|i\|u\|s\|b\)\]\zs\s\+\ze\|\zs\s\+\ze\[/\(com\|ref\|ex\|p\|i\|u\|s\|b\)\]\|[({]\zs\s\+\ze\|\zs\s\+\ze[)}]\|\s\zs\s\+\ze\|\zs\s\+\ze[,;.]\([^.,;]\)##g
> ---------------------------------------------------------------------------------------------------------------------------

That's a long regexp.  Can you reproduce it with a (much) shorter one?
 

:%s#\s\+\ze\[/\|\s\zs\s\+##g          "result: (re=1) <> (re=0
:%s#\s\+\ze\[/\|\s\zs\s\+\ze##g      "result: (re=1) == (re=0

Regards
-William

On Thu, Aug 22, 2013 at 10:14 PM, Bram Moolenaar <Bram@moolenaar.net> wrote:

William Fugh wrote:

> Version: 7.4, gVim, MS-DOS/MS-Windows
> =========================================================
> :%s#\[\(com\|ref\|ex\|p\|i\|u\|s\|b\)\]\zs\s\+\|\s\+\ze\[/\(com\|ref\|ex\|p\|i\|u\|s\|b\)\]\|[({]\zs\s\+\|\s\+\ze[)}]\|\s\zs\s\+\|\s\+\ze[,;.]\([^.,;]\)##g
> ----------------------------------------------------------------------------------------------------------------
> the command line as above, one line for test as follows, <Space> means a
> space.
> -----------------------------------------------------------------------------------------------------------------
> This<Space>is<Space><Space><Space>[a<Space>test.
> =========================================================
> Result of re=1: This<Space>is<Space>[a<Space>test.
> Result of re=0: This<Space>is<Space><Space>test.

> ==============================================================*

> Both of these regexp engines have the same result if the following command

> line is used:-)*

> ---------------------------------------------------------------------------------------------------------------------------
> :%s#\[\(com\|ref\|ex\|p\|i\|u\|s\|b\)\]\zs\s\+\ze\|\zs\s\+\ze\[/\(com\|ref\|ex\|p\|i\|u\|s\|b\)\]\|[({]\zs\s\+\ze\|\zs\s\+\ze[)}]\|\s\zs\s\+\ze\|\zs\s\+\ze[,;.]\([^.,;]\)##g
> ---------------------------------------------------------------------------------------------------------------------------

That's a long regexp.  Can you reproduce it with a (much) shorter one?

--
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