On Tue, Oct 28, 2014 at 4:02 AM, <massi_...@msn.com> wrote: > Hi everyone, > > I'm not really sure if this is the right place to ask about regular > expressions, but since I'm usin python I thought I could give a try :-) > Here is the problem, I'm trying to write a regex in order to substitute > all the occurences in the form $"somechars" with another string. This is > what I wrote: > > newstring = re.sub(ur"""(?u)(\$\"[\s\w]+\")""", subst, oldstring) > > This works pretty well, but it has a problem, I would need it also to > handle the case in which the internal string contains the double quotes, > but only if preceeded by a backslash, that is something like > $"somechars_with\\"doublequotes". > Can anyone help me to correct it? > > Thanks in advance! > -- > https://mail.python.org/mailman/listinfo/python-list >
Carefully reading the Strings section of "Example Regexes to Match Common Programming Language Constructs" [1] should (with a bit of effort), solve your problem I think. Note the use of the negated character class for one thing. [1] http://www.regular-expressions.info/examplesprogrammer.html
-- https://mail.python.org/mailman/listinfo/python-list
