DuckIntel / Security Tools
Test regular expressions against any input. Built-in security presets for IP addresses, domains, CVEs, hashes, emails, and more.
Test regular expressions against any input. Built-in security presets for IP addresses, domains, CVEs, hashes, emails, and more.
Test and debug regular expressions with live match highlighting. Built-in security presets for IPs, domains, emails, CVE IDs, MD5/SHA hashes, URLs, and more.
Regex Tester is part of DuckIntel, a free browser-based cyber intelligence platform with 59 security tools for SOC analysts, IT administrators, and security professionals. No login or account is required. All tools run entirely in your browser — your data never leaves your machine.
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Part of DuckIntel.io — 59 free browser-based security tools for SOC analysts. No login. No tracking. 100% client-side.