language: Python (python 2.7.3)
date: 531 days 14 hours ago
link:
visibility: private 
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import re
 
x = r'hai! \1 <ops> $1 \' \x \\'
print "want to see: "
print x
 
print "getting: "
print re.sub(".(.).", x, "###")
print "over escaped: "
print re.sub(".(.).", re.escape(x), "###")