Update exception message to precise space is allowed in the wild card

Signed-off-by: CARON Alice <[email protected]>

Author: alicecaron

contingency/contingency-api/src/test/java/com/powsybl/contingency/NetworkElementIdentifierContingencyListTest.java

@@ -205,7 +205,7 @@ void testUnknownCharacterIdentifier() {
         String message = Assertions.assertThrows(PowsyblException.class, () -> new IdWithWildcardsNetworkElementIdentifier("NHV1_NHV2_?_?_?_?_?_?_?")).getMessage();
         Assertions.assertEquals("There can be a maximum of 5 wildcards ('?')", message);
         String message2 = Assertions.assertThrows(PowsyblException.class, () -> new IdWithWildcardsNetworkElementIdentifier("NHV1_NHV2_ç")).getMessage();
-        Assertions.assertEquals("Only characters allowed for this identifier are letters, numbers, '_', '-', '.' and the wildcard character '?'", message2);
+        Assertions.assertEquals("Only characters allowed for this identifier are letters, numbers, '_', '-', '.', spaces and the wildcard character '?'", message2);
         NetworkElementIdentifier elementIdentifier = new IdWithWildcardsNetworkElementIdentifier("NHV1_NHV?_?");
         Network network = EurostagTutorialExample1Factory.create();
         List<String> identifiables = elementIdentifier.filterIdentifiable(network).stream().map(Identifiable::getId).toList();

iidm/iidm-api/src/main/java/com/powsybl/iidm/network/identifiers/IdWithWildcardsNetworkElementIdentifier.java

@@ -50,7 +50,7 @@ private void initialize() {
         String allowedCharactersRegex = "^[A-Za-z0-9_? .-]*$";
 
         if (!identifier.matches(allowedCharactersRegex)) {
-            throw new PowsyblException("Only characters allowed for this identifier are letters, numbers, '_', '-', '.' and the wildcard character '?'");
+            throw new PowsyblException("Only characters allowed for this identifier are letters, numbers, '_', '-', '.', spaces and the wildcard character '?'");
         }
         int separatorNumber = StringUtils.countMatches(identifier, WILDCARD);
         if (separatorNumber > ALLOWED_WILDCARDS_NUMBER) {