cpp/string/basic string/find first of

Finds the first character equal to one of the characters in the given character sequence. The search considers only the interval. If the character is not present in the interval, npos will be returned.

@1@ Finds the first character equal to one of the characters in.

@2@ Finds the first character equal to one of the characters in the range. This range can include null characters.

@3@ Finds the first character equal to one of the characters in character string pointed to by. The length of the string is determined by the first null character using.

@4@ Finds the first character equal to.

@5@

Return value
Position of the found character or npos if no such character is found.

Exceptions
@5@