Match count
2
Loading Weburcode…
Regex
Test regular expressions, inspect matches, capture groups, positions, and replacement previews locally.
Test regular expressions, inspect matches, capture groups, positions, and replacement previews locally.
Enter or generate the required input, review the browser-side output, then copy or download results where the workflow supports it.
Developer tools run in your browser for fast checks and development workflows. Avoid pasting production secrets into any browser utility.
Browse developer tools ->Sample regex loaded.
2
/gim
8-27
support@example.com
31-50
sales@weburcode.com
Contact [email] or [email] for help.
1: Contact
2: or
3: for help.
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text directly in your browser.
Decode JWT headers and payloads locally in your browser and inspect common claims.
Generate HS256 JSON Web Tokens from custom header and payload JSON for development workflows.
Validate UUID strings, detect versions, and identify invalid or nil UUID values.