Regex substitution trouble

massi_srb at massi_srb at
Tue Oct 28 13:28:13 CET 2014

Hi Chris, thanks for the reply. I tried to use look ahead assertions, in particular I modified the regex this way:

newstring = re.sub(ur"""(?u)(\$\"[\s\w(?<=\\)\"]+\")""", subst, oldstring) 

but it does not work. I'm absolutely not a regex guru so I'm surely missing something. The strings I'm dealing with are similar to formulas, let's say something like:


Thanks for any help!

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