https://www.ejabberd.im/forum/25136/only-english-and-numbers-jids-regexp en https://www.ejabberd.im/forum/25136/only-english-and-numbers-jids-regexp#comment-66135 <p>This allows to register only usernames that contain characters from a to z:</p> <pre> acl: ascii: user_regexp: "^[a-z]*$" access: register: ascii: allow all: deny modules: mod_register: access: register </pre> Thu, 24 Sep 2015 15:31:35 +0000 badlop comment 66135 at https://www.ejabberd.im