fix regex

html/.htaccess

@@ -1,7 +1,7 @@
 RewriteEngine On
 RewriteBase /
-RewriteRule ^([a-zA-Z]*)-([a-z]{2})$  index\.php?arena=$1&lang=$2 [L]
-RewriteRule ^([a-zA-Z]*)$  index\.php?arena=$1 [L]
+RewriteRule ^([a-zA-Z]{1,})-([a-z]{2})$  index\.php?arena=$1&lang=$2 [L]
+RewriteRule ^([a-zA-Z]{1,})$  index\.php?arena=$1 [L]
 RewriteRule ^-([a-z]{2})$  index\.php?lang=$1 [L]
 RewriteCond %{REQUEST_FILENAME} !-f
 RewriteCond %{REQUEST_FILENAME} !-d