Simple regex that has me banging my head against a wall

[Aahz Maruch]

In article <mailman.985215628.28804.python-list at python.org>,
Timothy Grant  <tjg at exceptionalminds.com> wrote:
>
>>>> re.sub(r'\$', '\$', x)
>'\\$1\\$asdfjke\\$lkjasdkjfsdasdfj'


>>>'\\$1\\$asdfjke\\$lkjasdkjfsdasdfj' == r'\$1\$asdfjke\$lkjasdkjfsdasdfj'
1
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