diff --git a/netbox/templates/_base.html b/netbox/templates/_base.html
index 0ebc4f5b4..ba90f0106 100644
--- a/netbox/templates/_base.html
+++ b/netbox/templates/_base.html
@@ -28,7 +28,7 @@
             <div id="navbar" class="navbar-collapse collapse">
                 {% if request.user.is_authenticated or not settings.LOGIN_REQUIRED %}
                 <ul class="nav navbar-nav">
-                    <li class="dropdown{% if request.path|startswith:'/dcim/sites/' or 'tenancy' in request.path %} active{% endif %}">
+                    <li class="dropdown{% if request.path|contains:'/dcim/sites/,/dcim/regions/,/tenancy/' %} active{% endif %}">
                         <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Organization <span class="caret"></span></a>
                         <ul class="dropdown-menu">
                             <li><a href="{% url 'dcim:site_list' %}"><i class="fa fa-search" aria-hidden="true"></i> Sites</a></li>
@@ -54,7 +54,7 @@
                             {% endif %}
                         </ul>
                     </li>
-                    <li class="dropdown{% if request.path|startswith:'/dcim/rack' %} active{% endif %}">
+                    <li class="dropdown{% if request.path|contains:'/dcim/rack' %} active{% endif %}">
                         <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Racks <span class="caret"></span></a>
                         <ul class="dropdown-menu">
                             <li><a href="{% url 'dcim:rack_list' %}"><i class="fa fa-search" aria-hidden="true"></i> Racks</a></li>
@@ -74,7 +74,7 @@
                             {% endif %}
                         </ul>
                     </li>
-                    <li class="dropdown{% if request.path|startswith:'/dcim/device' or request.path|startswith:'/dcim/manufacturers/' or request.path|startswith:'/dcim/platforms/' %} active{% endif %}">
+                    <li class="dropdown{% if request.path|contains:'/dcim/device,/dcim/manufacturers/,/dcim/platforms/' %} active{% endif %}">
                         <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Devices <span class="caret"></span></a>
                         <ul class="dropdown-menu">
                             <li><a href="{% url 'dcim:device_list' %}"><i class="fa fa-search" aria-hidden="true"></i> Devices</a></li>
@@ -110,7 +110,7 @@
                             {% endif %}
                         </ul>
                     </li>
-                    <li class="dropdown{% if request.path|startswith:'/dcim/console-connections/' or request.path|startswith:'/dcim/power-connections/' or request.path|startswith:'/dcim/interface-connections/' %} active{% endif %}">
+                    <li class="dropdown{% if request.path|contains:'/dcim/console-connections/,/dcim/power-connections/,/dcim/interface-connections/' %} active{% endif %}">
                         <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Connections <span class="caret"></span></a>
                         <ul class="dropdown-menu">
                             <li><a href="{% url 'dcim:console_connections_list' %}"><i class="fa fa-search" aria-hidden="true"></i> Console Connections</a></li>
@@ -133,7 +133,7 @@
                             {% endif %}
                         </ul>
                     </li>
-                    <li class="dropdown{% if request.path|startswith:'/ipam/' and not request.path|startswith:'/ipam/vlan' %} active{% endif %}">
+                    <li class="dropdown{% if request.path|contains:'/ipam/' and not request.path|contains:'/ipam/vlan' %} active{% endif %}">
                         <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">IP Space <span class="caret"></span></a>
                         <ul class="dropdown-menu">
                             <li><a href="{% url 'ipam:ipaddress_list' %}"><i class="fa fa-search" aria-hidden="true"></i> IP Addresses</a></li>
@@ -179,7 +179,7 @@
                             {% endif %}
                         </ul>
                     </li>
-                    <li class="dropdown{% if request.path|startswith:'/ipam/vlan' %} active{% endif %}">
+                    <li class="dropdown{% if request.path|contains:'/ipam/vlan' %} active{% endif %}">
                         <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">VLANs <span class="caret"></span></a>
                         <ul class="dropdown-menu">
                             <li><a href="{% url 'ipam:vlan_list' %}"><i class="fa fa-search" aria-hidden="true"></i> VLANs</a></li>
@@ -199,7 +199,7 @@
                             {% endif %}
                         </ul>
                     </li>
-                    <li class="dropdown{% if request.path|startswith:'/circuits/' %} active{% endif %}">
+                    <li class="dropdown{% if request.path|contains:'/circuits/' %} active{% endif %}">
                         <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Circuits <span class="caret"></span></a>
                         <ul class="dropdown-menu">
                             <li><a href="{% url 'circuits:provider_list' %}"><i class="fa fa-search" aria-hidden="true"></i> Providers</a></li>
@@ -223,7 +223,7 @@
                         </ul>
                     </li>
                     {% if request.user.is_authenticated %}
-                        <li class="dropdown{% if request.path|startswith:'/secrets/' %} active{% endif %}">
+                        <li class="dropdown{% if request.path|contains:'/secrets/' %} active{% endif %}">
                             <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Secrets <span class="caret"></span></a>
                             <ul class="dropdown-menu">
                                 <li><a href="{% url 'secrets:secret_list' %}"><i class="fa fa-search" aria-hidden="true"></i> Secrets</a></li>
diff --git a/netbox/utilities/templatetags/helpers.py b/netbox/utilities/templatetags/helpers.py
index 164aa24b2..2d6f49689 100644
--- a/netbox/utilities/templatetags/helpers.py
+++ b/netbox/utilities/templatetags/helpers.py
@@ -45,11 +45,11 @@ def gfm(value):
 
 
 @register.filter()
-def startswith(value, arg):
+def contains(value, arg):
     """
-    Test whether a string starts with the given argument
+    Test whether a value contains any of a given set of strings. `arg` should be a comma-separated list of strings.
     """
-    return str(value).startswith(arg)
+    return any(s in value for s in arg.split(','))
 
 
 #