Plan 9 from Bell Labs’s /usr/web/sources/contrib/jas/root/sys/lib/python2.7/test/crashers/infinite_loop_re.py

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.



# This was taken from http://python.org/sf/1541697
# It's not technically a crasher.  It may not even truly be infinite,
# however, I haven't waited a long time to see the result.  It takes
# 100% of CPU while running this and should be fixed.

import re
starttag = re.compile(r'<[a-zA-Z][-_.:a-zA-Z0-9]*\s*('
        r'\s*([a-zA-Z_][-:.a-zA-Z_0-9]*)(\s*=\s*'
        r'(\'[^\']*\'|"[^"]*"|[-a-zA-Z0-9./,:;+*%?!&$\(\)_#=~@]'
        r'[][\-a-zA-Z0-9./,:;+*%?!&$\(\)_#=~\'"@]*(?=[\s>/<])))?'
    r')*\s*/?\s*(?=[<>])')

if __name__ == '__main__':
    foo = '<table cellspacing="0" cellpadding="0" style="border-collapse'
    starttag.match(foo)

Bell Labs OSI certified Powered by Plan 9

(Return to Plan 9 Home Page)

Copyright © 2021 Plan 9 Foundation. All Rights Reserved.
Comments to [email protected].