Dan <wit...@torsion.org> added the comment:

Here's an easy way to trigger the poor performance. Tested with 2.5,
2.6, and 2.7:

re.compile( '(\s+.*)*x' ).search( 'a ' * 30 )

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nosy: +witten

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue1662581>
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