* How (efficient) highlight occurrence of 16 same chars?
@ 2010-09-13 8:13 Oleksandr Gavenko
2010-09-13 8:19 ` Oleksandr Gavenko
2010-09-13 8:54 ` Deniz Dogan
0 siblings, 2 replies; 3+ messages in thread
From: Oleksandr Gavenko @ 2010-09-13 8:13 UTC (permalink / raw)
To: help-gnu-emacs
This code not work:
(font-lock-add-keywords
'c-mode
'(
("\\(.\\)\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1" 0
'font-lock-warning-face t)
))
I think back reference not worked.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: How (efficient) highlight occurrence of 16 same chars?
2010-09-13 8:13 How (efficient) highlight occurrence of 16 same chars? Oleksandr Gavenko
@ 2010-09-13 8:19 ` Oleksandr Gavenko
2010-09-13 8:54 ` Deniz Dogan
1 sibling, 0 replies; 3+ messages in thread
From: Oleksandr Gavenko @ 2010-09-13 8:19 UTC (permalink / raw)
To: help-gnu-emacs
On 13.09.2010 11:13, Oleksandr Gavenko wrote:
> This code not work:
>
> (font-lock-add-keywords
> 'c-mode
> '(
> ("\\(.\\)\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1" 0
> 'font-lock-warning-face t)
> ))
>
> I think back reference not worked.
>
Oh! I forget that \\(.\\) also take in count. So match 17 not 16.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: How (efficient) highlight occurrence of 16 same chars?
2010-09-13 8:13 How (efficient) highlight occurrence of 16 same chars? Oleksandr Gavenko
2010-09-13 8:19 ` Oleksandr Gavenko
@ 2010-09-13 8:54 ` Deniz Dogan
1 sibling, 0 replies; 3+ messages in thread
From: Deniz Dogan @ 2010-09-13 8:54 UTC (permalink / raw)
To: Oleksandr Gavenko; +Cc: help-gnu-emacs
2010/9/13 Oleksandr Gavenko <gavenko@bifit.com.ua>:
> This code not work:
>
> (font-lock-add-keywords
> 'c-mode
> '(
> ("\\(.\\)\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1\\1" 0
> 'font-lock-warning-face t)
> ))
>
> I think back reference not worked.
>
>
>
This seems to work for me:
(font-lock-add-keywords 'c-mode '(("\\(.\\)\\1\\{15\\}" 0
'font-lock-warning-face t)))
--
Deniz Dogan
^ permalink raw reply [flat|nested] 3+ messages in thread
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2010-09-13 8:13 How (efficient) highlight occurrence of 16 same chars? Oleksandr Gavenko
2010-09-13 8:19 ` Oleksandr Gavenko
2010-09-13 8:54 ` Deniz Dogan
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