python named group regex example
>>> re.search(r'(?P<name>[^-]+)-(?P<ver>d.d.d-d+).tar.gz', 'package_name-1.2.3-2004.tar.gz').groupdict()
{'name': 'package_name', 'ver': '1.2.3-2004'}python named group regex example
>>> re.search(r'(?P<name>[^-]+)-(?P<ver>d.d.d-d+).tar.gz', 'package_name-1.2.3-2004.tar.gz').groupdict()
{'name': 'package_name', 'ver': '1.2.3-2004'}regex groups function
>>> m = re.match("([abc])+", "abc")
>>> m.groups()
('c',)
>>> m = re.match("(?:[abc])+", "abc")
>>> m.groups()
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