fitgoodies-core/src/main/java/de/cologneintelligence/fitgoodies/util/FitUtils.java
public static String extractCellParameter(FitCell cell) {
		final Matcher matcher = PARAMETER_PATTERN.matcher(cell.getFitValue());
		if (matcher.matches()) {
			cell.setFitValue(matcher.group(1));
			return matcher.group(2);
		} else {
			return null;
		}
	}
public static String extractCellParameter(FitCell cell) {
		final Matcher matcher = PARAMETER_PATTERN.matcher(cell.getFitValue());
		if (matcher.matches()) {
			cell.setFitValue(matcher.group(1));
			return matcher.group(2);
		} else {
			return null;
		}
	}
extracts and removes parameters from a cell.

@param cell cell to process
@return the extracted parameter or {@code null}