Re: How to count the number of lines in a string?

["Patrick Donnelly" <batrick.donnelly@...>]

On Thu, Jul 31, 2008 at 7:00 AM, Luiz Henrique de Figueiredo
<lhf@tecgraf.puc-rio.br> wrote:
>> You can make it so just an empty string is pushed if there is at least
>> one newline:
>>
>> local n = select(2, s:gsub("[^\n]*\n[^\n]*", ""))
>
> Or this:
>        local _,n = s:gsub('.-\n', '')

The only "problem" with that is if there is anything following the
final newline character, it will be returned by gsub.

So perhaps the final best version would be:

local _,n = s:gsub(".-\n[^\n]*", "")

Cheers,

-- 
-Patrick Donnelly

"One of the lessons of history is that nothing is often a good thing
to do and always a clever thing to say."

-Will Durant