int off = 0;
int idx1 = start; int idx2 = start + len - 1;
	private String createReadinString(char[] array, int start, int len)	{		int off = 0;		while((off < len) && (!Character.isLetterOrDigit(array[start + off])))			off++;		while((off < len) && (!Character.isLetterOrDigit(array[start + len - 1])))			len--;		return new String(array,start + off,len);	}