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new 861d31d897 Indicate usage of the re2 regex engine in the
.airflowignore documentation. (#35663)
861d31d897 is described below
commit 861d31d89789e92c97e066e2b911a1ae3f83a2e6
Author: Gabriel Pettier <gabriel.pett...@gmail.com>
AuthorDate: Mon Nov 20 10:29:37 2023 +0100
Indicate usage of the re2 regex engine in the .airflowignore documentation.
(#35663)
* Indicate usage of the re2 regex engine in the .airflowignore
documentation.
As the engine was changed in !32303, and the feature set of this engine is
a bit specific, it seems useful to be explicit about it.
* Update docs/apache-airflow/core-concepts/dags.rst
* Update docs/apache-airflow/core-concepts/dags.rst
* Update docs/apache-airflow/core-concepts/dags.rst
Co-authored-by: Tzu-ping Chung <uranu...@gmail.com>
---------
Co-authored-by: Elad Kalif <45845474+elad...@users.noreply.github.com>
Co-authored-by: Tzu-ping Chung <uranu...@gmail.com>
---
docs/apache-airflow/core-concepts/dags.rst | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/docs/apache-airflow/core-concepts/dags.rst
b/docs/apache-airflow/core-concepts/dags.rst
index 86f4aaad2e..aee35b49e9 100644
--- a/docs/apache-airflow/core-concepts/dags.rst
+++ b/docs/apache-airflow/core-concepts/dags.rst
@@ -802,6 +802,10 @@ match any of the patterns would be ignored (under the
hood, ``Pattern.search()``
to match the pattern). Use the ``#`` character to indicate a comment; all
characters
on a line following a ``#`` will be ignored.
+As with most regexp matching in Airflow, the regexp engine is ``re2``, which
explicitly
+doesn't support many advanced features, please check its
+`documentation <https://github.com/google/re2/wiki/Syntax>`_ for more
information.
+
With the ``glob`` syntax, the patterns work just like those in a
``.gitignore`` file:
* The ``*`` character will any number of characters, except ``/``
