drools-eclipse/org.drools.eclipse/src/main/java/org/drools/eclipse/editors/completion/DSLTree.java
protected String getObjMetadata(String text) {
        if (text.startsWith("[")) {
            return text.substring(1,text.lastIndexOf("]"));
        } else {
            return "";
        }
    }
protected String getObjMetadata(String text) {
        if (text.startsWith("[")) {
            return text.substring(1,text.lastIndexOf("]"));
        } else {
            return "";
        }
    }
Method will return just the object metadata
@param text
@return