private String getLabel() {
		if (!applicator.getPdbApplicatorOptions().applyInstructionLabels()) {
			return null;
		}
		// Place compiler generated symbols (e.g., $LN9) within containing function when possible
		String label = symbol.getName();
		Matcher m =
			applicator.getPdbApplicatorOptions().excludeInstructionLabelsPattern().matcher(label);
		if (m.find()) {
			return null;
		}
		return label;
	}
Returns label to apply or null if label excluded
@return label to process or null
Ghidra/Features/PDB/src/main/java/ghidra/app/util/pdb/pdbapplicator/LabelSymbolApplier.java