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  1. #include <iostream>
  2. #include <clocale>
  3. #include <cctype>
  4.  
  5.  
  6. int main()
  7. { 
  8. 	const wchar_t c = L'\u042f'; // cyrillic capital letter ya
  9.  
  10.     std::setlocale(LC_ALL, "en_US.UTF8");
  11.     std::cout << "isalpha('Я') returned "
  12.               << std::boolalpha << std::iswalpha(c) << '\n';
  13. }
Success #stdin #stdout 0s 5044KB
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Standard input is empty
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isalpha('Я') returned 1
https://ideone.com/H95eSS
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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