import re

REGEX = re.compile(r"""
                    (?!<\w)(?P<name>[-\w]+)=
                    (?P<quote>(?P<single>')|(?P<double>"))?
                    (?P<value>(?(single)[^']+?|(?(double)[^"]+?|\S+)))
                    (?(quote)(?P=quote))
                    """, re.VERBOSE)

DATA = ["name1=value1", "name2='value #2'", '''name3="value '3'"''']

for data in DATA:
    match = REGEX.match(data)
    if match:
        print('name="%s" value="%s"' % (match.group("name"),
                                        match.group("value")))