<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">
# 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'&lt;[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./,:;+*%?!&amp;$\(\)_#=~@]'
        r'[][\-a-zA-Z0-9./,:;+*%?!&amp;$\(\)_#=~\'"@]*(?=[\s&gt;/&lt;])))?'
    r')*\s*/?\s*(?=[&lt;&gt;])')

if __name__ == '__main__':
    foo = '&lt;table cellspacing="0" cellpadding="0" style="border-collapse'
    starttag.match(foo)
</pre></body></html>