TODO for text editors

Investigate whether these editors contained regular expression engines.

Known editors with regexp engines

ed
QEdit
vim

OpenVMS editors

Lists

texteditors.org family tree
Popular MS-DOS text editors in the 1980s
- Eldin
- Microsoft edit.com
- IBM E
- VEDIT
- Borland dev tools
- Borland C editor
- Norton Commander
- Turbo Pascal
- WordStar
- WordPerfect
- NerdPerfect
- Breeze
  - Breeze 5.6 from garbo.uwasi.fi
    
    Breeze v5.6: Word processor/Text editor BREEZE is an easy to use word processor/text editor that does everything you ever wanted of a text processing program, with pop-up hypertext help, multi-menu environment, make electronic books, multi-edit, clipboard, spell checker, print spooling, calculator, text readability, sorting, columns, full block operations, fast formatting, many print options. And much more.
- PC Write
- Multi-Edit
- Lexicon
- PC-Write 3.01
- Norton Editor
- Galaxy
- Borland Sidekick
- MultiMate
- Write
- MicroEmacs
- Pmate
- XTree

DEMU Collection Unsorted

These are likely dead ends, but are among many editor search results in the DEMU Collection Unsorted, which is what Zeus is archived in.