diff --git a/resources/install/scripts/resources/functions/is_uuid.lua b/resources/install/scripts/resources/functions/is_uuid.lua
new file mode 100644
index 0000000000..dc4647c8a3
--- /dev/null
+++ b/resources/install/scripts/resources/functions/is_uuid.lua
@@ -0,0 +1,13 @@
+function is_uuid(s)
+  if (string.len(s) == 36) then
+    local x = "%x";
+    local t = { x:rep(8), x:rep(4), x:rep(4), x:rep(4), x:rep(12) }
+    local pattern = table.concat(t, '%-');
+    result = s:match(pattern);
+  end
+  if (result == nil) then
+    return false;
+  else
+    return true;
+  end
+end