[Python] Python regex substitution for comma match

For the input string as shown below, I am trying to substitute UK1/ after Street and every , and skip hyphen to create expected output shown below.

Input = Street1-2,4,6,8-10

Expected output = StreetUK/1-2,UK/4,UK/6,UK/8-10

With the regex pattern I have trouble substitute for each captured group. How can I capture all the required groups for every , and sub required string.


replacements = []
pattern = r"(Street)?(?:\d+)(((,)?(?:\d+))*[-]?(?:\d+))*"

def replacement(x):
replacements.append(f"{x.group(1)}{'UK'}/")

input = 'Street1-2,4,6,8-10'
m = re.sub(pattern, replacement, input)
print(m, [''.join(x) for x in replacements] )



The above code just prints ['StreetUK/'] but not as expected.

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