diff --git a/packages/stunner-editors/kie-wb-common-stunner/kie-wb-common-stunner-sets/kie-wb-common-stunner-bpmn/kie-wb-common-stunner-bpmn-client/src/main/java/org/kie/workbench/common/stunner/bpmn/client/forms/fields/metaDataEditor/MetaDataListItemWidgetViewImpl.java b/packages/stunner-editors/kie-wb-common-stunner/kie-wb-common-stunner-sets/kie-wb-common-stunner-bpmn/kie-wb-common-stunner-bpmn-client/src/main/java/org/kie/workbench/common/stunner/bpmn/client/forms/fields/metaDataEditor/MetaDataListItemWidgetViewImpl.java
index 10ef0fe857a..6ac7c126560 100644
--- a/packages/stunner-editors/kie-wb-common-stunner/kie-wb-common-stunner-sets/kie-wb-common-stunner-bpmn/kie-wb-common-stunner-bpmn-client/src/main/java/org/kie/workbench/common/stunner/bpmn/client/forms/fields/metaDataEditor/MetaDataListItemWidgetViewImpl.java
+++ b/packages/stunner-editors/kie-wb-common-stunner/kie-wb-common-stunner-sets/kie-wb-common-stunner-bpmn/kie-wb-common-stunner-bpmn-client/src/main/java/org/kie/workbench/common/stunner/bpmn/client/forms/fields/metaDataEditor/MetaDataListItemWidgetViewImpl.java
@@ -74,7 +74,7 @@ public void setParentWidget(final MetaDataEditorWidgetView.Presenter parentWidge
 
     @PostConstruct
     public void init() {
-        attribute.setRegExp(StringUtils.ALPHA_NUM_REGEXP,
+        attribute.setRegExp(StringUtils.ALPHA_NUM_UNDERSCORE_DOT_REGEXP,
                             StunnerFormsClientFieldsConstants.CONSTANTS.Removed_invalid_characters_from_name(),
                             StunnerFormsClientFieldsConstants.CONSTANTS.Invalid_character_in_name());
 
diff --git a/packages/stunner-editors/kie-wb-common-stunner/kie-wb-common-stunner-sets/kie-wb-common-stunner-bpmn/kie-wb-common-stunner-bpmn-client/src/main/java/org/kie/workbench/common/stunner/bpmn/client/forms/util/StringUtils.java b/packages/stunner-editors/kie-wb-common-stunner/kie-wb-common-stunner-sets/kie-wb-common-stunner-bpmn/kie-wb-common-stunner-bpmn-client/src/main/java/org/kie/workbench/common/stunner/bpmn/client/forms/util/StringUtils.java
index 8301a133c71..aeaf0b7c4dd 100644
--- a/packages/stunner-editors/kie-wb-common-stunner/kie-wb-common-stunner-sets/kie-wb-common-stunner-bpmn/kie-wb-common-stunner-bpmn-client/src/main/java/org/kie/workbench/common/stunner/bpmn/client/forms/util/StringUtils.java
+++ b/packages/stunner-editors/kie-wb-common-stunner/kie-wb-common-stunner-sets/kie-wb-common-stunner-bpmn/kie-wb-common-stunner-bpmn-client/src/main/java/org/kie/workbench/common/stunner/bpmn/client/forms/util/StringUtils.java
@@ -36,6 +36,7 @@
 public class StringUtils {
 
     public static final String ALPHA_NUM_REGEXP = "^[a-zA-Z0-9\\-\\_]*$";
+    public static final String ALPHA_NUM_UNDERSCORE_DOT_REGEXP = "^[a-zA-Z0-9\\-\\_\\.]*$";
     public static final String ALPHA_NUM_UNDERSCORE_DOT_GT_LT_REGEXP = "^[a-zA-Z0-9<>,\\_\\.]*$";
     public static final String ALPHA_NUM_SPACE_REGEXP = "^[a-zA-Z0-9\\-\\_\\ ]*$";
     public static final RegExp EXPRESSION = RegExp.compile(Patterns.EXPRESSION);