std::basic_string<CharT,Traits,Allocator>:: ends_with

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constexpr bool
ends_with ( std:: basic_string_view < CharT, Traits > sv ) const noexcept ;
(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.

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

Return value

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

Notes

Feature-test macro Value Std Feature
__cpp_lib_starts_ends_with 201711L (C++20) String prefix and suffix checking: starts_with() and ends_with()

Example

Run this code 
#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)
    );
}

See also

(C++20)
checks if the string starts with the given prefix
(public member function)
(C++20)
checks if the string view starts with the given prefix
(public member function of std::basic_string_view<CharT,Traits> )
(C++20)
checks if the string view ends with the given suffix
(public member function of std::basic_string_view<CharT,Traits> )
(C++23)
checks if the string contains the given substring or character
(public member function)
(C++23)
checks if the string view contains the given substring or character
(public member function of std::basic_string_view<CharT,Traits> )
compares two strings
(public member function)
returns a substring
(public member function)
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