Regex Tester
Try your regular expression against text instantly; matches are highlighted in yellow, and you can run a find-and-replace if you want.
//
2 Matches
Today is 2024-05-18. Tomorrow is 2024-05-19.
. Any char\w Word char\d Digit\s Whitespace^ Start$ End* 0 or more+ 1 or more? 0 or 1| OR() Group[] RangeAbout
Used to see where a pattern matches, count matches, and replace using capture groups ($1, $2). It uses the JavaScript regex engine and supports flags like g, i and m.
Everything runs in your browser; your text is never sent out.
How to use
- Type your regular expression in the pattern box (e.g. \d+).
- Enter flags such as g, i, m in the flags box.
- Type test text; matches are highlighted. Optionally fill the replacement field and copy the result.
Common regex patterns
Example regular expressions you can copy and try right away:
- \d+
- One or more digits. For capturing numbers, prices or codes.
- [a-zA-Z]+
- Letters only (no digits or symbols).
- \w+@\w+\.\w+
- A simple email pattern.
- ^\s+|\s+$
- Leading and trailing whitespace (for trimming).
- (\d{4})-(\d{2})-(\d{2})
- A date (YYYY-MM-DD); access the groups with $1, $2, $3.
- https?://[^\s]+
- Captures links (URLs) inside text.
Frequently Asked Questions
- Which regex syntax is supported?
- JavaScript's RegExp syntax. Flags like g (global), i (case-insensitive) and m (multiline) are valid.
- Can I replace using capture groups?
- Yes. Use group references like $1, $2 in the replacement field.
Other tools
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