Unicode.numeric-question-mark
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numeric-question-mark
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Specs
numeric?(codepoint_or_string()) :: boolean()
Returns true
if a single Unicode codepoint (or all characters
in the given string) adhere to Unicode categories :Nd
,
:Nl
and :No
otherwise returns false
.
This group of characters represents the decimal digits zero through nine (0..9) and the equivalents in non-Latin scripts.
Arguments
codepoint_or_string
is a single integer codepoint or aString.t
.
Returns
true
orfalse
For the string-version, the result will be true only if all codepoints in the string adhere to the property.
Examples
iex> Unicode.numeric?("65535")
true
iex> Unicode.numeric?("42")
true
iex> Unicode.numeric?("lapis philosophorum")
false