Apply custom regular expressions to any column and extract matching substrings into new columns. Pro tier. Browser-local.
Free is enough for most one-off jobs. Pro raises the file and batch caps; Pro + Media unlocks GB-scale streaming and unlimited duration.
Larger files supported on Developer (5 GB CSV) and Enterprise (unlimited). All processing happens in your browser — files never reach a server.
Upload your Excel or CSV file
Enter a regex pattern and select the source column
Download the file with extraction results in a new column
0 bytes uploaded. Regex Extractor runs entirely in your browser using SheetJS and ExcelJS. Your spreadsheets never leave your device.
Yes — named capture groups (?<groupname>...) generate separate output columns per group, named after the capture group.
Non-matching cells are left blank in the output column. A count of non-matching rows is shown in the result summary.