About Regex Tester
Test your regular expressions in real time with match highlighting and capture group extraction.
How to use Regex Tester
- 1Enter your regular expression in the "Regular expression" field.
- 2Add your flags in the dedicated field: g (global), i (case insensitive), m (multiline)…
- 3Paste your test string — matches are highlighted immediately.
- 4Review the match list with their position and capture groups.
- 5Starter+: export all matches to a .txt file.
Tips
- Start by testing with the g flag to capture all occurrences in the text.
- Capture groups (parentheses) are displayed separately — useful for extracting sub-patterns.
- If your regex matches nothing, check the escaping of special characters: dots, stars and brackets must be escaped with \.
OneKitTools TeamUpdated 2.21.4