src/Service/CustomerHandler/CMBCustomerHandler.php

@@ -320,7 +320,11 @@ class CMBCustomerHandler implements CustomerHandlerInterface
         $nerror_array = [];
         $verror_array = [];
 
-        // TODO: validate mobile numbers
+        if (!($this->validateMobileNumber($req->request->get('phone_mobile'))))
+        {
+            $error_array['phone_mobile'] = 'Invalid mobile phone number.'
+        }
+
         // TODO: validate vehicles
 
         // custom validation for vehicles
@@ -685,6 +689,18 @@ class CMBCustomerHandler implements CustomerHandlerInterface
         }
     }
 
+    protected function validateMobileNumber($mobile_number)
+    {
+        if (empty($mobile_number))
+            return true;
+
+        // parse string in case multiple numbers are entered separated by 
+        // either a space, a slash, a backslash, a pipe or a comma
+        $delimiters = [',', ' ', '\\', '/', '|'];
+        $clean_mobile = str_replace($delimiters, $delimiters[0], $mobile_number);
+        $mnumber_array = explode($delimiters[0], $clean_mobile);
+    }
+
     // check if datatable filter is present and append to query
     protected function setQueryFilters($datatable, &$query) {
         if (isset($datatable['query']['data-rows-search']) && !empty($datatable['query']['data-rows-search'])) {