= sprintf(_('The subdomain can only contain %1$s, %2$s and %3$s, and must be between 4 and 63 characters. It can\'t have an hyphen (%3$s) in first, last or both third and fourth position.'), 'a-z', '0-9', '-') ?>
a
z
0
9
-
.= CONF['ht']['subdomain_domain'] ?>