![Icon of Custom Subject Column](https://addons.thunderbird.net/user-media/addon_icons/988/988722-64.png?modified=130d2b1f)
Custom Subject Column 0.5.6
by Kirurobo
Add a column to the message list that replaces the subject with a regular expression
About this Add-on
This is an add-on that adds the regular-expression-substituted subject line to the message list.
It does not affect the actual subject line, only the list view.