Fix reggex issue when configuring wifi

components/device-mgt/io.entgra.device.mgt.core.device.mgt.api/src/main/java/io/entgra/device/mgt/core/device/mgt/api/jaxrs/service/impl/MetadataServiceImpl.java

@@ -95,6 +95,9 @@ public class MetadataServiceImpl implements MetadataService {
             @PathParam("metaKey") String metaKey) {
         Metadata metadata;
         try {
+            if (metaKey.contains("-")) {
+                metaKey = metaKey.replace('-', '_');
+            }
             metadata = DeviceMgtAPIUtils.getMetadataManagementService().retrieveMetadata(metaKey);
             return Response.status(Response.Status.OK).entity(metadata).build();
         } catch (MetadataManagementException e) {
@@ -144,6 +147,9 @@ public class MetadataServiceImpl implements MetadataService {
     public Response deleteMetadataEntry(
             @PathParam("metaKey") String metaKey) {
         try {
+            if (metaKey.contains("-")) {
+                metaKey = metaKey.replace('-', '_');
+            }
             DeviceMgtAPIUtils.getMetadataManagementService().deleteMetadata(metaKey);
             return Response.status(Response.Status.OK).entity("Metadata entry is deleted successfully.").build();
         } catch (MetadataKeyNotFoundException e) {

components/device-mgt/io.entgra.device.mgt.core.device.mgt.api/src/main/java/io/entgra/device/mgt/core/device/mgt/api/jaxrs/service/impl/util/RequestValidationUtil.java

@@ -805,6 +805,9 @@ public class RequestValidationUtil {
                     new ErrorResponse.ErrorResponseBuilder()
                             .setCode(HttpStatus.SC_BAD_REQUEST).setMessage(msg).build());
         }
+        if (metadata.getMetaKey().contains("-")) {
+            metadata.setMetaKey(metadata.getMetaKey().replace('-', '_'));
+        }
         String regex = "^[a-zA-Z0-9_.]*$";
         if (!metadata.getMetaKey().matches(regex)) {
             String msg = "Request parameter metaKey should only contain period, " +