diff --git a/src/security/generate_uuid.hpp b/src/security/generate_uuid.hpp
index 1204d0a..50c90fd 100644
--- a/src/security/generate_uuid.hpp
+++ b/src/security/generate_uuid.hpp
@@ -11,11 +11,17 @@ namespace hack::security
     std::string uuid;
     uuid_t uuid_obj;
     uuid_generate_time_safe(uuid_obj);
-    char uuid_ch[37]; 
+    char uuid_ch[UUID_STR_LEN]; 
     uuid_unparse_lower(uuid_obj, uuid_ch);
     std::stringstream ss;
     ss << uuid_ch;
     ss >> uuid;
     return uuid;
   }
+
+  inline bool validate_uuid(const std::string& s)
+  {
+    static const std::regex e("^[0-9a-f]{8}-[0-9a-f]{4}-[0-5][0-9a-f]{3}-[089ab][0-9a-f]{3}-[0-9a-f]{12}$", std::regex_constants::icase);
+    return std::regex_match(s, e);
+  }
 }