skip username on ip addr

tasks/utility.yml

@@ -16,14 +16,14 @@
   become: true
   hostname:
     name: "{{ inventory_hostname }}"
-  when: inventory_hostname_short != '10' and inventory_hostname_short != '172' and inventory_hostname_short != '192' and not testing
+  when: inventory_hostname_short is not regex("^[0-9]+$") and not testing
 - name: hostname hosts
   become: true
   blockinfile:
     path: /etc/hosts
     marker: '# {mark} MyCard Init block'
     block: "{{ ansible_default_ipv4.address }} {{ inventory_hostname }} {{ inventory_hostname_short }}"
-  when: inventory_hostname_short != '10' and inventory_hostname_short != '172' and inventory_hostname_short != '192' and not testing
+  when: inventory_hostname_short is not regex("^[0-9]+$") and not testing
 - name: clean aliyun
   become: true
   shell: |