// with the regex /([^=]*)=(\\d*),(.*)/
    Map<String, String> properties = new HashMap<String, String>();
    properties.put("regex", "([^=]*)=(\\d*),(.*)");
    Event event = new EventImpl("foo=42,this is a lovely record".getBytes());
    EventParser parser = new RegexEventParser(properties);
    parser.reset(event);
    CharSequence field1 = (CharSequence) parser.getColumn(0,
        Type.getPrimitive(Type.TypeName.STRING));