use function with preg_match to check username

1 files changed, 1 insertions, 2 deletions

diff --git a/cli/delete-user.php b/cli/delete-user.php
index 82605fb27..baa81b893 100755
--- a/cli/delete-user.php
+++ b/cli/delete-user.php
@@ -9,9 +9,8 @@ $options = getopt('', array(
 if (empty($options['user'])) {
 	fail('Usage: ' . basename(__FILE__) . " --user username");
 }
-$aValid = array('-', '_', '.');
 $username = $options['user'];
-if (!ctype_alnum(str_replace($aValid, '', $username))) {
+if (!FreshRSS_user_Controller::checkUsername($username)) {
 	fail('FreshRSS error: invalid username “' . $username . '”');
 }