basic_static_string::find_first_not_of (3 of 5 overloads)

Find the first occurrence of any of the characters not within the string.

constexpr size_type
find_first_not_of(
    const_pointer s,
    size_type pos,
    size_type n) const;

Finds the first occurrence of a character that is not within the string pointed to by s within the string starting at the index pos.

Linear.

The index corrosponding to the first character of {begin() + pos, end()) that is not within {s, s + n) if it exists, and npos otherwise.

Name	Description
`s`	The characters to ignore.
`pos`	The index to start searching at. The default argument for this parameter is `0`.
`n`	The length of the characters to ignore.

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