On Jul 30, 11:56 am, MRAB <pyt...@mrabarnett.plus.com> wrote: > Feyo wrote: > > I'm trying to figure out how to write efficiently write a regex for > > domain names with a particular top level domain. Let's say, I want to > > grab all domain names with country codes .us, .au, and .de. > > > I could create three different regexs that would work: > > regex = re.compile(r'[\w\-\.]+\.us) > > regex = re.compile(r'[\w\-\.]+\.au) > > regex = re.compile(r'[\w\-\.]+\.de) > > > How would I write one to accommodate all three, or, better yet, to > > accommodate a list of them that I can pass into a method call? Thanks! > > > > regex = re.compile(r'[\w\-\.]+\.(?:us|au|de)') > > If you have a list of country codes ["us", "au", "de"] then you can > build the regular expression from it: > > regex = re.compile(r'[\w\-\.]+\.(?:%s)' % '|'.join(domains))
Perfect! Thanks. -- http://mail.python.org/mailman/listinfo/python-list
