basic_static_string::find_first_of (2 of 5 overloads)

Find the first occurrence of any of the characters within the string.

template<
    std::size_t M>
constexpr size_type
find_first_of(
    const basic_static_string< M, CharT, Traits >& str,
    size_type pos = 0) const;

Finds the first occurrence of any of the characters within str within the string starting at the index pos.

Linear.

The index corrosponding to the first occurrence of any of the characters of str within {begin() + pos, end()) if it exists, and npos otherwise.

Name	Description
`str`	The characters to search for.
`pos`	The index to start searching at. The default argument for this parameter is `0`.

Boost C++ Libraries