Find the first character missing from the specified string. Search from `pos` onward for the first character in this string that is not equal to any of the characters in the string provided as the first argument. @li **(1)** compares with the characters in `sv`. @li **(2)** compares with the character `ch`. @par Complexity @li **(1)** line
| 1899 | @{ |
| 1900 | */ |
| 1901 | std::size_t |
| 1902 | find_first_not_of( |
| 1903 | string_view sv, |
| 1904 | std::size_t pos = 0) const noexcept |
| 1905 | { |
| 1906 | return subview().find_first_not_of(sv, pos); |
| 1907 | } |
| 1908 | |
| 1909 | /** Overload |
| 1910 | @param ch The character to compare with. |