How would I incorporate a modifier here, like “M”? I read about modifiers to go into “multi-line” mode? I’m wanting to skip a new line anywhere it may be in the search.
content= re.sub(r'(title href="#_ftnref\d+"><span lang="en-us">)(.{1,4}<)',r'\1xyz<',content)
Your regex should be compiled this way:
More to the point:
see here for more details.