Regex Editor

Test and debug regular expressions quickly.

Paste a pattern and a test string. We highlight matches, capture groups, and common mistakes in real time.

Inputs Pattern + flags

Outputs Matches + groups

Runs Locally in your browser

Regex input

Pattern

Flags

Test string

Tip: Named capture groups show up as group labels when supported by your browser.

Waiting for input

Use g for multiple matches and i for case-insensitive searches.

Remember to escape special characters like dots and slashes.

Use ? to make quantifiers lazy when matching smaller chunks.