[docs] [issue23532] add example of 'first match wins' to regex "|" documentation?

[Raymond Hettinger]

Raymond Hettinger added the comment:

I concur with Serhiy that the docs correctly and completely describe the behavior.

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nosy: +rhettinger
status: pending -> open

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23532>
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