Regex Tester Online — JavaScript Regular Expressions
Test and debug regular expressions with live highlighting, capture groups, and flag support.
hellopushdraft.comsupportpushdraft.comRegex Quick Reference
. any character\d digit (0-9)\w word character\s whitespace^ start of line$ end of line* 0 or more+ 1 or more? 0 or 1{n,m} n to m times[abc] character set(abc) capture groupFree: Indian Salary Tax Cheatsheet 2026-27
New regime slabs, old regime deductions, PT by state — one page, print-ready.
How to Use Regex Tester
- Enter your regex — Type your regular expression pattern in the regex field.
- Set flags — Toggle global, case-insensitive, multiline, and other flags as needed.
- Add test text — Paste the text you want to test against the pattern.
- View matches — See live highlighted matches with capture group details.
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Frequently Asked Questions — Regex Tester
What regex flavor does this support?
JavaScript (ECMAScript) regex syntax. This is the same regex engine used in Node.js, browsers, and most modern JavaScript environments.
Is my data sent to a server?
No. The regex is evaluated entirely in your browser using the native JavaScript RegExp API. No data leaves your device.
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