[issue33113] Query performance is very low and can even lead to denial of service

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

Perhaps it would be nice to add a section about catastrophic backtracking and ways of resolving it in the RE Howto.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33113>
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