1 files changed, 1 insertions, 0 deletions
diff --git a/catdap.yml b/catdap.yml
index 253d655..62d0331 100644
--- a/catdap.yml
+++ b/catdap.yml
@@ -32,6 +32,7 @@ Model::User:
         start_tls: 1
 
 register:
+        login_regex: ^[a-z][a-z0-9_-]*$
         login_blacklist:
                 - apache