Specs

lowercase?(codepoint_or_string()) :: boolean()

Returns true if a single Unicode codepoint (or all characters in the given string) the category :Ll otherwise returns false.

Notice that there are many languages that do not have a distinction between cases. Their characters are not included in this group.

Arguments

• codepoint_or_string is a single integer codepoint or a String.t.

Returns

• true or false

For the string-version, the result will be true only if all codepoints in the string adhere to the property.

Examples

iex> Unicode.lowercase?(?a)
true

iex> Unicode.lowercase?("A")
false

iex> Unicode.lowercase?("Elixir")
false

iex> Unicode.lowercase?("léon")
true

iex> Unicode.lowercase?("foo, bar")
false

iex> Unicode.lowercase?("42")
false

iex> Unicode.lowercase?("Σ")
false

iex> Unicode.lowercase?("σ")
true