[docs] [issue18562] Regex howto: revision pass

[A.M. Kuchling]

New submission from A.M. Kuchling:

I read through the 3.3 regex howto and have made various edits in the attached patch.

* describe how \w is different when used in bytes and Unicode patterns.

* describe re.ASCII flag to change that behaviour.

* remove a personal reference ('I generally prefer...')

* some small edits and re-wording.

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assignee: docs at python
components: Documentation
files: regex.diff
keywords: patch
messages: 193733
nosy: akuchling, docs at python
priority: normal
severity: normal
stage: patch review
status: open
title: Regex howto: revision pass
versions: Python 3.3
Added file: http://bugs.python.org/file31039/regex.diff

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<http://bugs.python.org/issue18562>
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