From 97383d2d5d666e4d84dea3dbc0dff4a53fe071a2 Mon Sep 17 00:00:00 2001
From: johnkangw <72617548+johnkangw@users.noreply.github.com>
Date: Sat, 30 Apr 2022 17:20:31 -0600
Subject: [PATCH] Mention use of re_assert for strings in approx docs

---
 src/_pytest/python_api.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/_pytest/python_api.py b/src/_pytest/python_api.py
index 5fa219619..622e5cefd 100644
--- a/src/_pytest/python_api.py
+++ b/src/_pytest/python_api.py
@@ -666,6 +666,11 @@ def approx(expected, rel=None, abs=None, nan_ok: bool = False) -> ApproxBase:
         specialised test helpers in :std:doc:`numpy:reference/routines.testing`
         if you need support for comparisons, NaNs, or ULP-based tolerances.
 
+        To match strings using regex, you can use
+        `Matches <https://github.com/asottile/re-assert#re_assertmatchespattern-str-args-kwargs>`_
+        from the
+        `re_assert package <https://github.com/asottile/re-assert>`_.
+
     .. warning::
 
        .. versionchanged:: 3.2