diff --git a/data.json b/data.json
index cbebd700..018b65b9 100644
--- a/data.json
+++ b/data.json
@@ -15,7 +15,7 @@
     "url": "https://www.facebook.com/{}",
     "urlMain": "https://www.facebook.com/",
     "errorType": "status_code",
-    "regexCheck": "^a-zA-Z0-9{4,49}(?<!.com|.org|.net)$"
+    "regexCheck": "^[a-zA-Z0-9]{4,49}(?<!.com|.org|.net)$"
   },
   "YouTube": {
     "url": "https://www.youtube.com/{}",