fCraft.CommandManager.IsValidCommandName C# (CSharp) Method

        public static bool IsValidCommandName( [NotNull] string name )
        {
            if ( name == null )
                throw new ArgumentNullException( "name" );
            if ( name.Length == 0 || name.Length > 16 )
                return false;
            // ReSharper disable LoopCanBeConvertedToQuery
            foreach (char ch in name)
            {
                if ( ( ch < '0' && ch != '.' ) || ( ch > '9' && ch < 'A' ) || ( ch > 'Z' && ch < '_' ) ||
                     ( ch > '_' && ch < 'a' ) || ch > 'z' ) {
                         return false;
                     }
            }
            // ReSharper restore LoopCanBeConvertedToQuery
            return true;
        }