Defined in header <cwchar> | ||
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const wchar_t* wcsrchr( const wchar_t* str, wchar_t ch ); | ||
wchar_t* wcsrchr( wchar_t* str, wchar_t ch ); |
Finds the last occurrence of the wide character ch
in the wide string pointed to by str
.
str | - | pointer to the null-terminated wide string to be analyzed |
ch | - | wide character to search for |
Pointer to the found character in str
, or a null pointer if no such character is found.
#include <cwchar> #include <iostream> #include <locale> int main() { const wchar_t arr[] = L"白猫 黒猫 кошки"; const wchar_t* cat = std::wcsrchr(arr, L'猫'); const wchar_t* dog = std::wcsrchr(arr, L'犬'); std::cout.imbue(std::locale("en_US.utf8")); if (cat) std::cout << "The character 猫 found at position " << cat - arr << '\n'; else std::cout << "The character 猫 not found\n"; if (dog) std::cout << "The character 犬 found at position " << dog - arr << '\n'; else std::cout << "The character 犬 not found\n"; }
Output:
The character 猫 found at position 4 The character 犬 not found
finds the first occurrence of a wide character in a wide string (function) |
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finds the last occurrence of a character (function) |
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find the last occurrence of a substring (public member function of std::basic_string<CharT,Traits,Allocator> ) |
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C documentation for wcsrchr |
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