Re: [Python-Dev] Unix line endings required for PyRun* breaking embedded Python

Skip Montanaro wrote:

Just re.sub("[\r\n]+", "\n", s) and I think you're good to go.

I don't think that in general you want to fold multiple empty lines into one. This would be my prefered regex: s = re.sub(r"\r\n?", "\n", s) Catches both DOS and old-style Mac line endings. Alternatively, you can use s.splitlines(): s = "\n".join(s.splitlines()) + "\n" This also makes sure the string ends with a \n, which may or may not be a good thing, depending on your application. Just