On 17 Jul 2015, at 23:43, Junio C Hamano <gits...@pobox.com> wrote:
> * Although uppercase is recommended for Scene Headings to increase
> readability, it is not required.
>
> * A line beginning with any of the following, followed by either a
> dot or a space, is considered a Scene Heading (unless the line is
> preceded by an exclamation point !). Case insensitive.
>
> INT
> EXT
> EST
> INT./EXT
> INT/EXT
> I/E
>
> * You can "force" a Scene Heading by starting the line with a
> single period.
>
> * Scene Headings can optionally be appended with Scene
> Numbers. Scene numbers are any alphanumerics (plus dashes and
> periods), wrapped in #.
>
> So, it appears wrong to insist on capital letters in the patterns.
> The pattern in the patch does not even accept punctuations on the
> line other than apostrophe. I won't judge if it is OK to limit to
> US-ASCII ;-)
>
> IPATTERNS("fountain",
> "^([.][^.]|(INT|EXT|EST|INT./EXT|INT/EXT|I/E)[. ]",
> "[^ \t-]+"),
>
> or something like this, perhaps?
Good points, thanks!
This regex should be a bit sturdier:
$ cat scenes.txt
int. yes - day
INT. YES - DAY #1A#
EXT. YES - DAY
.YES TOO
!EXT. NO
INT/EXT YES - DAY
INT./EXT YES - DAY
I/E YES - DAY
no
NO
NO.
!.NO.
int yes - day
est yes - day
!EXT. NO - DAY
$ grep -E
"^((\.|(([Ii][Nn][Tt]|[Ee][Ss][Tt]|[Ee][Xx][Tt])?\\.?|[Ii]([Nn][Tt])?\.?/[Ee]([Xx][Tt])?\.?)
).+)$" scenes.txt
int. yes - day
INT. YES - DAY #1A#
EXT. YES - DAY
.YES TOO
INT/EXT YES - DAY
INT./EXT YES - DAY
I/E YES - DAY
int yes - day
est yes - day
Revised version of patch incoming...--
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