diff --git a/schemars/tests/expected/regex.json b/schemars/tests/expected/regex.json
new file mode 100644
index 00000000..42f099a3
--- /dev/null
+++ b/schemars/tests/expected/regex.json
@@ -0,0 +1,5 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "String",
+  "type": "string"
+}
\ No newline at end of file