Supported (safe subset): \d, \w, \s, .,
character classes like [A-Z], grouping (...), alternation |,
and quantifiers {n}, {m,n}, ?, *, +.
Note: * and + are capped (default max 8) to keep generation fast.
If this field is non-empty, it overrides the symbol/number separator toggles.
Settings and saved configurations are stored locally in your browser via
localStorage.
Tip: click/tap a passphrase to copy. You can also highlight/select as a manual fallback.
Passphrases may unintentionally contain profanity.