On Wed, 02 May 2018 17:18:22 -0700 Kenneth Porter wrote: > header __KP_LIST_ID_DOMAIN_IN_BRACKETS List-id =~ > /<([\w-]+)?(\.[\w-]+)+>/
The '?' seems superfluous.
On Wed, 02 May 2018 17:18:22 -0700 Kenneth Porter wrote: > header __KP_LIST_ID_DOMAIN_IN_BRACKETS List-id =~ > /<([\w-]+)?(\.[\w-]+)+>/
The '?' seems superfluous.