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The following commit(s) were added to refs/heads/main by this push: 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 ``/``