/** Logger instance for this class. */
    private static final Logger logger = LogManager.getLogger(GsaConfigParser.class);

    /** Prefix for regular expression patterns. */
    public static final String REGEXP = "regexp:";

    /** Prefix for case-sensitive regular expression patterns. */
    public static final String REGEXP_CASE = "regexpCase:";

    /** Prefix for case-insensitive regular expression patterns. */

        assertTrue(messages.hasMessageOf(property));
    }

    public void test_addConstraintsPatternMessage() {
        String property = "testProperty";
        String regexp = "[0-9]+";
        FessMessages result = messages.addConstraintsPatternMessage(property, regexp);
        assertNotNull(result);
        assertSame(messages, result);
        assertTrue(messages.hasMessageOf(property));
    }

            return ".*" + Pattern.quote(p.substring(GsaConfigParser.CONTAINS.length())) + ".*";
        }

        if (p.startsWith(GsaConfigParser.REGEXP)) {
            return p.substring(GsaConfigParser.REGEXP.length());
        }

        if (p.startsWith(GsaConfigParser.REGEXP_CASE)) {
            return p.substring(GsaConfigParser.REGEXP_CASE.length());
        }