commit c7de1d7ca62e2b67b90d6c178e63453c03833b75
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Fri Feb 02 13:50:44 2018 -0800
committer Terry Jan Reedy <tjreedy@udel.edu> Fri Feb 02 16:50:44 2018 -0500
tree 89bface52716b2ce6fb65a92d62c8c2ab1cdfe04
parent 29fd9eae432a54c963262e895b46f081f238539a

bpo-32614: Modify re examples to use a raw string to prevent warning (GH-5265) (#5499)

Modify RE examples in documentation to use raw strings to prevent DeprecationWarning.
Add text to REGEX HOWTO to highlight the deprecation.  Approved by Serhiy Storchaka.
(cherry picked from commit 66771422d0541289d0b1287bc3c28e8b5609f6b4)

Co-authored-by: Cheryl Sabella <cheryl.sabella@gmail.com>

Doc/library/re.rst

diff --git a/Doc/library/re.rst b/Doc/library/re.rst
index 9b175f4..83ebe7d 100644
--- a/Doc/library/re.rst
+++ b/Doc/library/re.rst
@@ -345,7 +345,7 @@
 
    This example looks for a word following a hyphen:
 
-      >>> m = re.search('(?<=-)\w+', 'spam-egg')
+      >>> m = re.search(r'(?<=-)\w+', 'spam-egg')
       >>> m.group(0)
       'egg'