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Showing content from https://en.cppreference.com/w/cpp/language/../keywords/../string/basic_string/ends_with.html below:

std::basic_string<CharT,Traits,Allocator>::ends_with - cppreference.com

(1) (since C++20)

constexpr bool ends_with( CharT ch ) const noexcept;

(2) (since C++20)

constexpr bool ends_with( const CharT* s ) const;

(3) (since C++20)

Checks if the string ends with the given suffix. The suffix may be one of the following:

1) A string view sv (which may be a result of implicit conversion from another std::basic_string).

2) A single character ch.

3) A null-terminated character string s.

All three overloads effectively return std::basic_string_view<CharT, Traits>(data(), size()).ends_with(x), where x is the parameter.

[edit] Parameters sv - a string view which may be a result of implicit conversion from another std::basic_string ch - a single character s - a null-terminated character string [edit] Return value

true if the string ends with the provided suffix, false otherwise.

[edit] Notes [edit] Example

#include <cassert>
#include <string>
#include <string_view>
 
int main()
{
    using namespace std::literals;
 
    const auto str = "Hello, C++20!"s;
 
    assert
    (""
        && str.ends_with("C++20!"sv)  // (1)
        && !str.ends_with("c++20!"sv) // (1)
        && str.ends_with("C++20!"s)   // (1) implicit conversion string to string_view
        && !str.ends_with("c++20!"s)  // (1) implicit conversion string to string_view
        && str.ends_with('!')         // (2)
        && !str.ends_with('?')        // (2)
        && str.ends_with("C++20!")    // (3)
        && !str.ends_with("c++20!")   // (3)
    );
}

[edit] See also checks if the string starts with the given prefix
(public member function) [edit] checks if the string view starts with the given prefix
(public member function of std::basic_string_view<CharT,Traits>) [edit] checks if the string view ends with the given suffix
(public member function of std::basic_string_view<CharT,Traits>) [edit] checks if the string contains the given substring or character
(public member function) [edit] checks if the string view contains the given substring or character
(public member function of std::basic_string_view<CharT,Traits>) [edit] compares two strings
(public member function) [edit] returns a substring
(public member function) [edit]

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