}

    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));
    }

     * </pre>
     * @param property The property name for the message. (NotNull)
     * @param regexp The parameter regexp for message. (NotNull)
     * @return this. (NotNull)
     */
    public FessMessages addConstraintsPatternMessage(String property, String regexp) {
        assertPropertyNotNull(property);
        add(property, new UserMessage(CONSTRAINTS_Pattern_MESSAGE, regexp));
        return this;
    }

    /**