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Current File : C:/Python314/Lib/test/crashers/infinite_loop_re.py
# This was taken from https://bugs.python.org/issue1541697
# 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)

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