Unicode.Property.extended_numeric
You're seeing just the function
extended_numeric, go back to Unicode.Property module for more information.
Returns :extended_numeric or nil based upon
whether the given codepoint or binary
is all alphanumeric characters.
Extended numberic includes fractions, superscripts,
subscripts and other characters in the category No.
This is useful when the desired result is
truthy or falsy
Example
iex> Unicode.Property.extended_numeric "123"
:extended_numeric
iex> Unicode.Property.extended_numeric "⅔"
:extended_numeric
iex> Unicode.Property.extended_numeric "-123"
nil