diff --git a/core/core-editor.el b/core/core-editor.el
index f97c8c3bc..0de978fad 100644
--- a/core/core-editor.el
+++ b/core/core-editor.el
@@ -233,5 +233,18 @@ enable multiple minor modes for the same regexp.")
   :commands (describe-buffer describe-command describe-file
              describe-keymap describe-option describe-option-of-type))
 
+(use-package re-builder
+  :commands (re-builder reb-mode-buffer-p)
+  :init (add-hook! reb-mode 'narf|reb-cleanup)
+  :config
+  (setq reb-re-syntax 'string)
+  (evil-set-initial-state 'reb-mode 'insert)
+
+  (map! :map rxt-help-mode-map :n [escape] 'kill-buffer-and-window)
+  (map! :map reb-mode-map
+        :n "C-g"        'reb-quit
+        :n [escape]     'reb-quit
+        :n [backtab]    'reb-change-syntax))
+
 (provide 'core-editor)
 ;;; core-editor.el ends here
diff --git a/modules/module-regex.el b/modules/module-regex.el
deleted file mode 100644
index 66fcaaa93..000000000
--- a/modules/module-regex.el
+++ /dev/null
@@ -1,18 +0,0 @@
-;;; module-regex.el
-
-(use-package re-builder
-  :commands (re-builder reb-mode-buffer-p)
-  :config
-  (require 'pcre2el)
-  (setq reb-re-syntax 'pcre)
-  (map! :map rxt-help-mode-map :n [escape] 'kill-buffer-and-window)
-
-  (add-hook! reb-mode 'narf|reb-cleanup)
-  (evil-set-initial-state 'reb-mode 'insert)
-  (map! :map reb-mode-map
-        :n "C-g"        'reb-quit
-        :n [escape]     'reb-quit
-        :n [backtab]    'reb-change-syntax))
-
-(provide 'module-regex)
-;;; module-regex.el ends here
diff --git a/modules/module-markdown.el b/modules/module-text.el
similarity index 89%
rename from modules/module-markdown.el
rename to modules/module-text.el
index 33027bd90..edebc8ad6 100644
--- a/modules/module-markdown.el
+++ b/modules/module-text.el
@@ -1,5 +1,4 @@
-;;; module-markdown.el
-;; see lib/markdown-defuns.el
+;;; module-text.el
 
 (use-package markdown-mode
   :mode (("\\.md$"   . markdown-mode)
@@ -39,7 +38,5 @@
 
           :i "M--"  'markdown-insert-hr)))
 
-;; TODO: Test previewing capability
-
-(provide 'module-markdown)
-;;; module-markdown.el ends here
+(provide 'module-text)
+;;; module-text.el ends here