/// <summary> Succeed with match length 1
/// if the current character in the input is not among the given characters.
/// </summary>
/// <param name="cs">the characters to compare with.
/// </param>
/// <returns> the Pattern object.
/// </returns>
public static Pattern NotAmong(params char[] cs)
{
return(IsChar(CharPredicates.NotAmong(cs)));
}
static Scanner _notAmong(char[] chars, string expected_name)
{
return(IsChar(CharPredicates.NotAmong(chars), expected_name).Rename("not among"));
}