Boost C++ Libraries Home Libraries People FAQ More

PrevUpHomeNext
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.


PrevUpHomeNext