public static QUADRANT valueOf(String s, QUADRANT defaultValue) {
		if (s != null) {
			try {
				return QUADRANT.valueOf(s.toUpperCase());
			}
			catch (IllegalArgumentException iae) {
				// ignore
			}
		}
		return defaultValue;
	}
String to enum.

@param s string of either "UL", "UR", "LL", "LR"
@param defaultValue value to return if string is invalid
@return QUADRANT enum
Ghidra/Framework/Gui/src/main/java/resources/QUADRANT.java