MachineTranslations here] for instructions.</div></div></div></div></div> – cppreference.com

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definiert in Header `<locale>`

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

Prüft, ob die angegebene Zeichen als Kleinbuchstaben durch die gegebenen Gebietsschemas std::ctype Facette eingestuft .

Original:

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

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Parameter

ch	-	Charakter Original: character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
loc	-	locale Original: locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Rückgabewert

Versandkosten true wenn der Charakter als Kleinbuchstaben eingestuft wird, false sonst .

Original:

Returns true if the character is classified as lowercase, false otherwise.

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Mögliche Implementierung

template< class charT >
bool islower( charT ch, const std::locale& loc ) {
    return std::use_facet<std::ctype<charT>>(loc).is(std::ctype_base::lower, ch);
}

Beispiel

Veranschaulicht die Verwendung von islower () mit verschiedenen locales (OS-spezifische) .

Original:

Demonstrates the use of islower() with different locales (OS-specific).

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#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

Siehe auch


	prüft, ob ein Zeichen in Kleinbuchstaben Original: checks if a character is lowercase The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) [edit]

	prüft, ob eine breite Zeichen Kleinbuchstaben Original: checks if a wide character is lowercase The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) [edit]