Method addNumericValidator

src/main/java/jace/cheat/MetaCheat.java:93–102

(StringProperty stringProperty)

    }

    private void addNumericValidator(StringProperty stringProperty) {
        stringProperty.addListener((ObservableValue<? extends String> prop, String oldVal, String newVal) -> {
            if (newVal == null || newVal.isEmpty()) {
                return;
            }
            if (!newVal.matches("(\\+|-)?(x|$)?[0-9a-fA-F]*")) {
                stringProperty.set("");
            }
        });
    }

    public int parseInt(String s) throws NumberFormatException {
        if (s == null || s.isEmpty()) {