Return the position of the last non‐matching character.

Synopsis

Declared in <bslstl_string.h>

size_type
find_last_not_of(
    basic_string const& characterString,
    size_type position = npos) const noexcept;

Description

Return the position of the last occurrence of a character not belonging to the specified characterString, if such an occurrence can be found in this string (on or before the optionally specified position if such a position is specified), and return npos otherwise.

Return Value

the position of the last non‐match, or npos

Parameters

Name

Description

characterString

the character set to exclude

position

the starting search position

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