diff --git a/apps/showcase/src/main/resources/org/apache/struts2/showcase/validation/FieldValidatorsExampleAction-submitClientSideValidationExample-validation.xml b/apps/showcase/src/main/resources/org/apache/struts2/showcase/validation/FieldValidatorsExampleAction-submitClientSideValidationExample-validation.xml
index 19cec7f1b..2f5bad26b 100644
--- a/apps/showcase/src/main/resources/org/apache/struts2/showcase/validation/FieldValidatorsExampleAction-submitClientSideValidationExample-validation.xml
+++ b/apps/showcase/src/main/resources/org/apache/struts2/showcase/validation/FieldValidatorsExampleAction-submitClientSideValidationExample-validation.xml
@@ -58,7 +58,7 @@
 	</field>
 	<field name="regexValidatorField">
 		<field-validator type="regex">
-			<param name="expression">.*\.txt</param>
+			<param name="regex">.*\.txt</param>
 			<message><![CDATA[ regexValidatorField must match a regexp (.*\.txt) if specified ]]></message>
 		</field-validator>
 	</field>
diff --git a/apps/showcase/src/main/resources/org/apache/struts2/showcase/validation/FieldValidatorsExampleAction-submitFieldValidatorsExamples-validation.xml b/apps/showcase/src/main/resources/org/apache/struts2/showcase/validation/FieldValidatorsExampleAction-submitFieldValidatorsExamples-validation.xml
index 07d300a63..26a87f3be 100644
--- a/apps/showcase/src/main/resources/org/apache/struts2/showcase/validation/FieldValidatorsExampleAction-submitFieldValidatorsExamples-validation.xml
+++ b/apps/showcase/src/main/resources/org/apache/struts2/showcase/validation/FieldValidatorsExampleAction-submitFieldValidatorsExamples-validation.xml
@@ -52,7 +52,7 @@
 	</field>
 	<field name="regexValidatorField">
 		<field-validator type="regex">
-			<param name="expression">.*\.txt</param>
+			<param name="regex"><![CDATA[ [^<>]+ ]]></param>
 			<message><![CDATA[ regexValidatorField must match a regexp (.*\.txt) if specified ]]></message>
 		</field-validator>
 	</field>