All tools/Developer tools/Regex Tester
.*

Regex Tester

Test a regular expression against sample text.

Test a regular expression against sample text and see every match and its capture groups. Turn on the i, m and s flags for case-insensitive, multiline and dot-matches-newline matching.

Input
Pattern and sample text
Output
Matches and groups

Loading Regex Tester…

About Regex Tester

Regex Tester is a free online tool from freeonlinetools.live. Test a regular expression against sample text.

It works in any modern browser with no app to install and no account to create. Paste your input, run it and copy the result.

How to use Regex Tester

  1. Paste or type your input.
  2. Click “Test”.
  3. Copy the result.

Features

  • Free to use, with no signup and no watermark
  • Works on desktop and mobile browsers

Frequently asked questions

Is Regex Tester free?

Yes. Regex Tester is free and does not need an account.

Do I need to install anything?

No. Everything runs in your web browser, so it works on Windows, macOS, Linux, ChromeOS, Android and iOS.

Is my input saved?

No. Your text is processed to produce the result and is not stored.

More Developer tools

{ }JSON Formatter & ValidatorFormat, minify and validate JSON.64Base64 Encoder/DecoderEncode or decode Base64 strings.%URL Encoder/DecoderEncode or decode URL components.MD5MD5 Hash GeneratorHash text with MD5.SHASHA-256 Hash GeneratorHash text with SHA-256.IDUUID/GUID GeneratorGenerate random version 4 UUIDs.QRQR Code GeneratorCreate QR codes for links and text.JWTJWT Token DecoderRead a JWT header and payload. The signature is not verified.#Color Code ConverterConvert HEX, RGB, and HSL colors.XMLXML Formatter/ValidatorFormat XML and check that it is well formed.CSSCSS MinifierMinify or format a stylesheet.JSJavaScript MinifierMinify JavaScript without running it.</>HTML MinifierMinify or format HTML.SQLSQL FormatterReindent a SQL statement.