▚ sandboxmax

Email Address Regex Extractor

Matches standard email addresses — a local part of letters, digits, and common symbols, an @ sign, and a dotted domain with a 2+ letter TLD. It deliberately skips malformed strings like user@host (no TLD) or double @@ addresses.

runs 100% in your browser — nothing is uploaded

  1. 1Paste your textDrop your logs, code, or data into the test box on the right.
  2. 2Tweak the patternEdit the regex formula or toggle the g / i / m flags on the left.
  3. 3See matches instantlyMatching text lights up as you type, with a live counter.
//g
Flags
Explanation — token breakdown▾
    Matches: 0

    Matching runs locally as you type — nothing you paste here leaves this tab.

    Expected output — what the pre-loaded example matches

    Matches found: 3

contact@sandboxmax.com
first.last+newsletter@sub.example.co.uk
DEV_team%2026@build-server.io

Rejected: not-an-email.com (no @), user@localhost (no TLD),
double@@at.com (empty local part), trailing.dot@domain. (no TLD letters).

    This is the result the sandbox above computes from its sample data — edit the pattern, flags, or test string and the live match counter recalculates instantly.

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    Strip HTML Tags Regex

    Is it safe to paste sensitive data into the Email Address Regex Extractor?

    Yes. The Email Address Regex Extractor runs 100% client-side inside your browser thread — nothing you paste is uploaded, logged, or transmitted. SandboxMax is a static site with no backend server, no cookies, and no trackers: open your browser's network panel while you work and you'll see zero requests leave the tab.