Created
October 11, 2019 18:17
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| ; type annotation, read String -> Maybe String | |
| (>fdef number [s] [string? => (? string?)]) | |
| (def number (comp second (partial re-find #"^1?([2-9]\d{2}[2-9]\d{6})$") #(str/replace % #"[\D]" ""))) |
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