Regex Split Tool

Summary

Split text on a regex delimiter and see the resulting parts in a numbered list.

How it works

1. Paste or type your input text into the Text Input field.
2. Enter a regular expression in the Delimiter (Regex) field.
3. Optionally toggle flags like case-insensitive (i) or multiline (m).
4. Results appear instantly as a numbered list of the split parts.
5. Empty parts are shown with a muted label so you can count them accurately.
6. Click any part to copy it to your clipboard.

Use cases

• Split a log file line on whitespace or a custom separator.
• Parse delimited data such as CSV or TSV strings.
• Tokenize source code snippets for analysis.
• Extract segments from URLs or file paths.
• Test a regex delimiter before using it in production code.
• Split sentences on punctuation marks to count word groups.

Frequently Asked Questions