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,
size_type numChars) const;
Return the position of the first occurrence of a character belonging to the specified characterString of the optionally specified numChars length, 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 |
| numChars | the number of characters in characterString |