Find the first character belonging to the specified set.

Synopsis

Declared in <bslstl_string.h>

size_type
find_first_of(
    basic_string const& characterString,
    size_type position = 0) const noexcept;

Description

Return the position of the first occurrence of a character belonging to the specified characterString, if such an occurrence can be found in this string (on or after the optionally specified position if such a position is specified), and return npos otherwise.

Return Value

position of the first matching character, or npos

Parameters

Name

Description

characterString

pointer to characters

position

starting index

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