std::islower(std::locale)

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Defined in header `<locale>`

template< class charT > bool islower( charT ch, const locale& loc );

Checks if the given character classified as a lowercase alphabetic character by the given locale's std::ctype facet.

#include <iostream>
#include <locale>
int main()
{
    const wchar_t c = L'\u03c0'; // greek small letter pi
 
    std::locale loc1("C");
    std::cout << "islower('π', C locale) returned "
               << std::boolalpha << std::islower(c, loc1) << '\n';
 
    std::locale loc2("en_US.UTF8");
    std::cout << "islower('π', Unicode locale) returned "
              << std::boolalpha << std::islower(c, loc2) << '\n';
}

Output:

islower('π', C locale) returned false
islower('π', Unicode locale) returned true

[edit] See also

islower

checks if a character is lowercase
(function)

iswlower

checks if a wide character is lowercase
(function)

std::islower(std::locale)

From Cppreference

Contents

[edit] Parameters

[edit] Return value

[edit] Equivalent function

[edit] Example

[edit] See also