Broadcasting Regex in DataFrame to create new column

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4

Just to offer another solution that’s not broadcasting:

test.s2 = map (test.s1) do s
    m = match(r"[0-9]*",s)
    m.match
end

I offer this because, as neat as broadcasting is, I find I’m easily tripped up when things get complicated, or I’m using a container that shouldn’t be broadcasted into (eg in.(xs, some_set) will try to broadcast through the set as well, when I usually want to check if each element of xs is in the set).

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