Find the first character not in the specified set.
Declared in <bslstl_string.h>
size_type
find_first_not_of(
CHAR_TYPE const* characterString,
size_type position,
size_type numChars) const;Return the position of the first occurrence of a character not 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.
position of the first non-matching character, or npos
| Name | Description |
|---|---|
| characterString | pointer to characters |
| position | starting index |
| numChars | number of characters |