How to Regex Find & Replace
- 1Upload your CSV file
- 2Enter regex pattern and replacement
- 3Download modified file
Developer · browser workspace
Regex Find & Replace - Pattern Matching in CSV
Use regular expressions for powerful pattern matching and replacement in CSV.
Quick start
Built for use regular expressions for powerful pattern matching and replacement.
Everything runs in your browser, so you can test the workflow with sample data when available before using production files.
Output: A new file or report produced locally in your browser.
- 1Choose a supported file or use sample data when available.
- 2Set the options shown for this workflow.
- 3Process the file locally, inspect the result, and download a new copy.
Preparing your private workspace…
Why Use This Tool?
- ✓Regex Power - Complex patterns
- ✓Global Replace - All matches
- ✓Flags Support - Case insensitive option
Frequently Asked Questions
Is this advanced?
Yes, requires regex knowledge. For simple replacements, use Find & Replace.