Proton now has an end-to-end encrypted spreadsheet app

The privacy-focused Proton Sheets tool is designed to compete with Google Sheets and Microsoft Excel.
How-To Geek on MSN

I thought Excel was unmatched until I discovered this LibreOffice Calc capability

The core of the problem in Excel isn't that it lacks regex functionality. Indeed, in 2024, Microsoft introduced REGEXEXTRACT, ...