Return the position of the first matching character.

Synopsis

Declared in <bslstl_string.h>

size_type
find_first_of(
    CHAR_TYPE const* characterString,
    size_type position = 0) const;

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. If numChars is not specified, CHAR_TRAITS::length(characterString) is used.

Return Value

the position of the first match, or npos

Parameters

Name

Description

characterString

the character set to search for

position

the starting search position

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