public static String[] getValues (String line) { 
		Pattern retweetURL = Pattern.compile("(\t)(retweeted_url=\")(\\S+)(\"\t)"); 
		Matcher matcher1 = retweetURL.matcher(line);
		String[] ret = {null, null, null};
		while (matcher1.find()) {
			ret[0] = matcher1.group(3);
		}
		
		Pattern date = Pattern.compile("(\t)(date=\")([^\t]+)(\"\t)");
		matcher1 = date.matcher(line);
		while (matcher1.find()) {
			ret[1] = matcher1.group(3);
		}
		
		Pattern tweetURL = Pattern.compile("(\t)(url=\")(\\S+)(\"\t)");
		matcher1 = tweetURL.matcher(line);
		while (matcher1.find()) {
			ret[2] = matcher1.group(3);
		}
		return ret;
	}