diff --git a/app/views/admins/laboratory_settings/show.html.erb b/app/views/admins/laboratory_settings/show.html.erb
index 120bba6cb..a30ec8b71 100644
--- a/app/views/admins/laboratory_settings/show.html.erb
+++ b/app/views/admins/laboratory_settings/show.html.erb
@@ -17,7 +17,7 @@
           </div>
           <%= text_field_tag :identifier, @laboratory.identifier,
                              maxlength: 15, class: 'form-control font-16',
-                             'onKeyUp': 'value=value.replace(/[^\w\.\-\/]/ig,"").toLowerCase()',
+                             'onKeyUp': 'value=value.replace(/[^\w\-\/]/ig,"").toLowerCase()',
                              style: 'text-transform:lowercase'%>
           <div class="input-group-append">
             <% rails_env = EduSetting.get('rails_env') %>
diff --git a/app/views/cooperative/laboratory_settings/edit.html.erb b/app/views/cooperative/laboratory_settings/edit.html.erb
index c070ee014..a0d389acf 100644
--- a/app/views/cooperative/laboratory_settings/edit.html.erb
+++ b/app/views/cooperative/laboratory_settings/edit.html.erb
@@ -16,7 +16,7 @@
           </div>
           <%= text_field_tag :identifier, @laboratory.identifier,
                              maxlength: 15, class: 'form-control font-16',
-                             'onKeyUp': 'value=value.replace(/[^\w\.\-\/]/ig,"").toLowerCase()',
+                             'onKeyUp': 'value=value.replace(/[^\w\-\/]/ig,"").toLowerCase()',
                              style: 'text-transform:lowercase'%>
           <div class="input-group-append">
             <% rails_env = EduSetting.get('rails_env') %>