[issue18647] re.error: nothing to repeat

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Agree. Here is a partial patch which fixes getwidth() and doctest regexp. But I don't know how to fix _simple(). Perhaps we should permanently remove the "nothing to repeat" check. It guards only against '(.*)*', but there are other methods to make regexp matching exponential (i.e. '(.?.?)*').

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keywords: +patch
Added file: http://bugs.python.org/file31159/issue18647.patch

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