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 the documentation for a snapshot of the master branch, built from commit 064f557086.

string::rfind (1 of 2 overloads)

Find the last occurrence of a string within the string.

Synopsis

std::size_t
rfind(
    string_view sv,
    std::size_t pos = npos) const;

Description

Returns the highest index idx less than or equal to pos where each element of sv is equal to that of {begin() + idx, begin() + idx + sv.size()) if one exists, and npos otherwise.

Complexity

Linear.

Return Value

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

Parameters

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