Jason Stumpf added the comment:
Even with the documentation to |, the documentation to * is wrong.
>>> re.match('(a|ab)*c',('abac')).group(0)
'abac'
>From the doc: In general, if a string p matches A and another string q matches
>B, the string pq will match AB.
Since '(a|ab)*c' matches 'abac', and 'c' matches 'c', that means '(a|ab)*'
matches 'aba'. It does so with 2 repetitions. Thus, in the example from my
initial post, it was not matching with as many repetitions as possible.
I think what you mean is that * attempts to match again after each match of the
preceding regular expression.
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<http://bugs.python.org/issue19055>
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