bpo-22594: Add a link to the regex module in re documentation (GH-241) (GH-316)

(cherry picked from commit ed6795e46f7653e23b862efad240a93453e7df97)

diff --git a/Doc/library/re.rst b/Doc/library/re.rst
index fe5ebcc67c840b63b25753610bd60ecf5d3b7b08..9cced51270655441b61b092326609f8c82c1d031 100644 (file)
--- a/Doc/library/re.rst
+++ b/Doc/library/re.rst
@@ -42,6 +42,12 @@ module-level functions and methods on
 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: