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

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

>From the documentation:

"""
As the target string is scanned, REs separated by ``'|'`` are tried from left to right. When one pattern completely matches, that branch is accepted. This means that once ``A`` matches, ``B`` will not be tested further, even if it would produce a longer overall match.  In other words, the ``'|'`` operator is never greedy.
"""

I think this completely describes the behavior.

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nosy: +serhiy.storchaka
resolution:  -> not a bug
status: open -> pending

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<http://bugs.python.org/issue23532>
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