tried_it

---
- name: Replace line in file examples
  hosts: test

  vars:
    strings:
      - 1
      - 0

  tasks:
    - name: Find the files
      become: true
      become_user: root
      ansible.builtin.find:
        paths: /usr/local/apnscp/resources/templates/plans/basic/
        file_type: file
        recurse: yes
        patterns:
          - bandwidth
          - cpu
          - aliases
          - auth
          - billing
          - crontab
          - dns
          - ftp
          - ipinfo6
          - logs
          - metrics
          - mysql
          - rampart
          - siteinfo
          - ssh
          - tomcat
          - vacation
          - apache
          - bandwidth
          - cgroup
          - diskquota
          - files
          - ipinfo
          - logrotate
          - mail
          - mlist
          - pgsql
          - reseller
          - spamfilter
          - ssl
          - users
        use_regex: true
      register: plans

    - name: Replace strings in files found
      ansible.builtin.replace:
        dest: "{{ item.path }}"
        backup: yes
        regexp: '^enabled'
        replace: "enabled {{ strings }}"
      with_items: "{{ my_find.files }}"