@Override
		public int compare(String o1, String o2) {
			// registers first (they do not have colons)
			boolean isRegister1 = o1.indexOf(':') < 0;
			boolean isRegister2 = o2.indexOf(':') < 0;
			if (isRegister1 != isRegister2) {
				return isRegister1 ? -1 : 1;
			}
			return o1.compareTo(o2);
		}
Get formatted context register as list of child register values
@param instr
@return formatted context data
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/util/InstructionUtils.java