Unicode.math-question-mark
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math-question-mark, go back to Unicode module for more information.
Specs
math?(codepoint_or_string()) :: boolean()
Returns true if a single Unicode codepoint (or all characters
in the given string) the category :Sm otherwise returns false.
These are all characters whose primary usage is in mathematical concepts (and not in alphabets). Notice that the numerical digits are not part of this group.
Arguments
codepoint_or_stringis a single integer codepoint or aString.t.
Returns
trueorfalse
For the string-version, the result will be true only if all codepoints in the string adhere to the property.
Examples
iex> Unicode.math?(?=)
true
iex> Unicode.math?("=")
true
iex> Unicode.math?("1+1=2") # Digits do not have the `:math` property.
false
iex> Unicode.math?("परिस")
false
iex> Unicode.math?("∑") # Summation, \u2211
true
iex> Unicode.math?("Σ") # Greek capital letter sigma, \u03a3
false