string::find_last_not_of
Find the last occurrence of a character not within the string.
Synopsis
std::size_t
find_last_not_of(
string_view sv,
std::size_t pos = string::npos) const noexcept; (1)
std::size_t
find_last_not_of(
char ch,
std::size_t pos = string::npos) const noexcept; (2)Description
Returns the index corrosponding to the last character of {begin(), begin() + pos} that is not within sv if it exists, and npos otherwise.
Complexity
Linear.
Return Value
The last occurrence of a character that is not within sv within the string before or at the index pos, or npos if none exists.
Return Value
The last occurrence of a character that is not equal to ch before or at the index pos, or npos if none exists.
Parameters
| Name | Description |
|---|---|
|
The characters to ignore. |
|
The index to stop searching at. The default argument for this parameter is |
|
The character to ignore. |