std::isblank(std::locale)

Since C++11

Header: <locale>

Checks if the given character is classified as a blank character by the given locale’s std::ctype facet.

# Declarations

template< class CharT >
bool isblank( CharT ch, const locale& loc );

(since C++11)

# Parameters

# Return value

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

# Example

#include <iostream>
#include <locale>
 
void try_with(wchar_t c, const char* loc)
{
    std::wcout << "isblank('" << c << "', locale(\"" << loc << "\")) returned "
               << std::boolalpha
               << std::isblank(c, std::locale(loc)) << '\n';
}
 
int main()
{
    const wchar_t IDEO_SPACE = L'\u3000'; // Unicode character 'IDEOGRAPHIC SPACE'
    try_with(IDEO_SPACE, "C");
    try_with(IDEO_SPACE, "en_US.UTF-8");
}

# See also