Return the position of the first matching character.
Declared in <bslstl_string.h>
size_type
find_first_of(
CHAR_TYPE const* characterString,
size_type position = 0) const;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.
the position of the first match, or npos
| Name | Description |
|---|---|
| characterString | the character set to search for |
| position | the starting search position |