Perhaps use `org-collect-keywords` to extract date?

[Dou-Meishi]

Perhaps use `org-collect-keywords` to extract date?

[bastibe]

Thank you for the bug report. It seems that the timestamp regex is a bit broken anyway.

How about this version:

(search-forward-regexp "^\\#\\+date:[ ]*[[<]?\\([^]>]+\\)[]>]?$" nil t)

This should skip any <[ at the beginning of the timestamp, and any >] at the end, and work without any delimiters as well. Does that work on your end?

I'd prefer to not use the org- functionality, as it is very slow.

[Dou-Meishi]

Great! I tested on the previous simple document and it worked as expected, including 2024-01-01, [2024-01-01], <2024-01-01> and nil.

[bastibe]

Wonderful! Since you started this issue, would you like to contribute the change as a pull request?

[Dou-Meishi]

Wonderful! Since you started this issue, would you like to contribute the change as a pull request?

I am glad to do it!

[bastibe]

Thank you very much for your contribution!