diff options
| -rw-r--r-- | application/controllers/user.php | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/application/controllers/user.php b/application/controllers/user.php index 67c3ccbb7..06ecc50dd 100644 --- a/application/controllers/user.php +++ b/application/controllers/user.php @@ -137,8 +137,8 @@ class User extends CI_Controller { $password = $this->input->post("password"); $password_confirm = $this->input->post("password_confirm"); - if (!$username) { - $error[]= "Invalid username."; + if (!$username || !preg_match("/^[a-z0-9]+$/", $username)) { + $error[]= "Invalid username (only a-z0-9 are allowed)."; } $this->load->helper("email"); |