bpo-22594: Add a link to the regex module in re documentation (GH-241)
diff --git a/Doc/library/re.rst b/Doc/library/re.rst
index 6e9343a..323854a 100644
--- a/Doc/library/re.rst
+++ b/Doc/library/re.rst
@@ -42,6 +42,12 @@
that don't require you to compile a regex object first, but miss some
fine-tuning parameters.
+.. seealso::
+
+ The third-party `regex <https://pypi.python.org/pypi/regex/>`_ module,
+ which has an API compatible with the standard library :mod:`re` module,
+ but offers additional functionality and a more thorough Unicode support.
+
.. _re-syntax: