private void split(String url) {
		boolean foundLast = false;
		int first = -1;
		int last = -1;
		for (int i = url.length() - 1; i >= 0 && first == -1; --i) {
			if (isNumeric(url.charAt(i))) {
				if (!foundLast) {
					last = i;
					foundLast = true;
				}
			} else {
				if (foundLast) {
					first = i;
				}
			}
		}
		++first;
		++last;
		mFirstChunk = url.substring(0, first);
		mValueBase = url.substring(first, last);
		mValueNew = mValueBase;
		mSecondChunk = url.substring(last, url.length());
	}