[docs] [issue32614] Fix documentation examples of using re with escape sequences

[Cheryl Sabella]

New submission from Cheryl Sabella <chekat2 at gmail.com>:

If a documentation example would produce a DeprecationWarning for an invalid escape sequence, change the example to use a raw string.

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assignee: docs at python
components: Documentation
messages: 310386
nosy: csabella, docs at python
priority: normal
severity: normal
status: open
title: Fix documentation examples of using re with escape sequences
type: enhancement
versions: Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32614>
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