1 

     2 # This was taken from http://python.org/sf/1541697

     3 # It's not technically a crasher.  It may not even truly be infinite,

     4 # however, I haven't waited a long time to see the result.  It takes

     5 # 100% of CPU while running this and should be fixed.

     6 

     7 import re

     8 starttag = re.compile(r'<[a-zA-Z][-_.:a-zA-Z0-9]*\s*('

     9         r'\s*([a-zA-Z_][-:.a-zA-Z_0-9]*)(\s*=\s*'

    10         r'(\'[^\']*\'|"[^"]*"|[-a-zA-Z0-9./,:;+*%?!&$\(\)_#=~@]'

    11         r'[][\-a-zA-Z0-9./,:;+*%?!&$\(\)_#=~\'"@]*(?=[\s>/<])))?'

    12     r')*\s*/?\s*(?=[<>])')

    13 

    14 if __name__ == '__main__':

    15     foo = '<table cellspacing="0" cellpadding="0" style="border-collapse'

    16     starttag.match(foo)