[docs] [issue30021] Add examples for re.escape()

[Serhiy Storchaka]

New submission from Serhiy Storchaka:

Proposed patch adds examples of using re.escape().

See also issue29995.

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assignee: docs at python
components: Documentation, Regular Expressions
messages: 291326
nosy: docs at python, ezio.melotti, mrabarnett, serhiy.storchaka
priority: normal
severity: normal
stage: patch review
status: open
title: Add examples for re.escape()
type: enhancement
versions: Python 2.7, Python 3.5, Python 3.6, Python 3.7

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30021>
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