1. Initial launch EmEditor with all default settings.
2. Press Ctrl + H
Open Replace dialog box.
3. Select Regular Expressions or Escape Sequence or Number Range in the Mode drop-down list box.
4. Click “Batch >>”
The step 3 option in the Mode drop-down list box not inherited to Batch Replace dialog box.
5. Enable the Regular Expressions or Escape Sequence option
6. Click “<< Batch”
The step 3 option in the Mode drop-down list box, or step 5 option will be reset to (None).