Find the first character present in the specified string. Search from `pos` onward for the first character in this string that is equal to any of the characters of `sv`. @par Complexity Linear in @ref size() `+ sv.size()`. @par Exception Safety No-throw guarantee. @return The index of the found character, or @ref npos if none exists.
| 1868 | @param pos The index to start searching at. |
| 1869 | */ |
| 1870 | std::size_t |
| 1871 | find_first_of( |
| 1872 | string_view sv, |
| 1873 | std::size_t pos = 0) const noexcept |
| 1874 | { |
| 1875 | return subview().find_first_of(sv, pos); |
| 1876 | } |
| 1877 | |
| 1878 | /** Find the first character missing from the specified string. |
| 1879 |