public static boolean isInRange( String rng, int rowFirst, int rowLast, int colFirst, int colLast )
	{
		int[] sh = getRowColFromString( rng );

		// the guantlet
		if( sh[1] < colFirst )
		{
			return false;
		}
		if( sh[1] > colLast )
		{
			return false;
		}
		if( sh[0] < rowFirst )
		{
			return false;
		}
		if( sh[0] > rowLast )
		{
			return false;
		}

		return true; // passes!

	}