On Tue, Oct 28, 2014 at 10:02 PM, <massi_...@msn.com> wrote: > 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 :-)
Yeah, that sort of thing is perfectly welcome here. Same with questions about networking in Python, or file I/O in Python, or anything like that. Not a problem! > 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? But this is a problem. You can use look-ahead assertions and such to allow the string \" inside your search string, but presumably the backslash ought itself to be escapable, in order to make it possible to have a loose backslash legal at the end of the string. I suggest that, instead of a regex, you look for a different way of parsing. What's the surrounding text like? ChrisA -- https://mail.python.org/mailman/listinfo/python-list
