Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is an older version of Boost and was released in 2024. The current version is 1.90.0.

string::find_last_of

string::find_last_of

Find the last occurrence of any of the characters within the string.

Synopsis

std::size_t
find_last_of(
    string_view sv,
    std::size_t pos = string::npos) const noexcept;

Description

Returns the index corrosponding to the last occurrence of any of the characters of sv within {begin(), begin() + pos} if it exists, and npos otherwise.

Complexity

Linear.

Return Value

The last occurrence of any of the characters within sv within the string starting before or at the index pos, or npos if none exists.

Parameters

Name	Description
`sv`	The characters to search for.
`pos`	The index to stop searching at. The default argument for this parameter is `npos`.