message: correctly use of regex
diff: @@ -154,11 +154,14 @@ objects:
  <record>
  namespace_name "${record['kubernetes']['namespace_name']}"
  </record>
  + </filter>
  + <filter **>
  + @type record_modifier
  <replace>
  # We run automated testing which creates project names in the form of e2e-0000000000-AAAAAAAAAAAAAAAAAAAAAAAAAA
  # we just save them as with the project name 'e2'
  key namespace_name
  - expression /^e2e-\d{10}-\S{26}$/
  + expression /^e2e-\\d{10}-\\S{26}$/
  replace e2e
  </replace>
  </filter>
  @@ -202,7 +205,7 @@ objects:
  </label>
  CONTAINER_LOGS_JSON: |-
  {
  - "template" : "service-logs-*",
  + "template" : "container-logs-*",
  "version" : 60002,
  "settings" : {
  "index.refresh_interval" : "5s",
  