Ansible - Insert to end of line with lineinfile module

ansible-linefile-endofline

#handlers/main.yml
---
  - name: Restart apache
    service: name=apache2 state=restarted enabled=yes
    tags:
      - apache
#task/main.yml
---
  - name: Enable apache modules
    lineinfile: >
      dest="{{ apache_sysconfig }}"
      backrefs=true
      state=present
      regexp='^APACHE_MODULES=\"(.*(?<!{{ apache_en_modules }}))\"'
      line='APACHE_MODULES="\1 {{ apache_en_modules }}"'
    notify:
      - Restart apache
    tags:
      - apache
  
  - name: Add SSL to APACHE_SERVER_FLAGS
    lineinfile: >
      regexp='^APACHE_SERVER_FLAGS=\"(.*(?<!SSL))\"'
      line='APACHE_SERVER_FLAGS="\1 SSL"'
      dest="{{ apache_sysconfig }}"
      backrefs=true
      state=present
    notify:
      - Restart apache
    tags:
      - apache
#vars/main.yml
---
apache_sysconfig: "/etc/sysconfig/apache2"
apache_en_modules: "proxy proxy_http rewrite headers"