Example
Pattern and text: Pattern: \b\w+@\w+\.com\b Text: [email protected]
Matches: [email protected]
Regex Tester processes this example in the browser and lets you inspect the result before copying it.
Test JavaScript regular expressions and inspect matches, indexes, and groups.
Test JavaScript regular expressions and inspect matches, indexes, and groups.
Pattern and text: Pattern: \b\w+@\w+\.com\b Text: [email protected]
Matches: [email protected]
Regex Tester processes this example in the browser and lets you inspect the result before copying it.
Pattern and text: Pattern: ORD-\d+ Text: ORD-1001 shipped, ORD-1002 pending
Matches: ORD-1001 ORD-1002
Regex Tester processes this example in the browser and lets you inspect the result before copying it.
Pattern and text: Pattern: ^[a-z0-9-]+$ Text: json-formatter
Result: Match: json-formatter
Regex Tester processes this example in the browser and lets you inspect the result before copying it.
This tool processes your input locally in your browser. Your text, code, file, or generated value is not uploaded to LumaTool servers.
Use Regex Tester for focused browser-based checks and cleanup tasks.
Prepare text, values, or technical data before pasting it into another system.
Inspect edge cases without installing desktop software.
Yes. Regex Tester is available as a free LumaTool web tool.
No sign-in is required for the public tool pages.
No. This tool processes input locally in your browser.
Yes. The editor, buttons, and result areas are designed for mobile and desktop browsers.
Ready tools include copy actions, and file-oriented tools include download actions where useful.
Regex Tester is useful for focused developer tools tasks where you need a quick browser-based result without switching tools.
This tool processes your input locally in your browser. Your text, code, file, or generated value is not uploaded to LumaTool servers.
Yes, but review the result before applying it to production systems. LumaTool helps with utility work, validation, and formatting, but final decisions stay with you.
Format, minify, validate, sort keys, escape, and unescape JSON locally.
Use Now TCompare two text blocks and highlight added, removed, and unchanged lines.
Use Now UParse browser, operating system, device, rendering engine, and crawler signals.
Use Now BEncode and decode Base64 text with UTF-8, URL-safe, and Unicode support.
Use Now UEncode, decode, parse, and build URL query parameters in batches.
Use NowAlso building video workflows? The YouTube subtitle extension is in development.