Steven D'Aprano added the comment:
I don't think the relevant information -- that re match and search return None
in the case of no match -- is that distant from the paragraph quoted. This fact
is already mentioned FOUR times in the page, in each of the re.match, re.search
functions and regex.match, regex.search methods, plus implied by the helper
function used in the examples.
Personally I think no change is required, but if the docs are going to be
changed, I recommend going all the way and showing the usual re idiom with an
example:
Match Objects always have a boolean value of ``True``. Since ``None`` (which
has a boolean value of ``False``) is returned when there is no match, you can
test whether there was a match with a simple ``if`` statement. For example::
mo = re.search(pattern, string)
if mo:
process(mo)
----------
nosy: +stevenjd
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