Bip39 regex https://andersonehmh757.timeforchangecounselling.com/getting-your-first-bip39-passphrase-idea A BIP39 seed phrase made with appropriate randomness can't be guessed as a result of brute pressure, since you'll find simply too many permutations. Some wallets can import several seed phrases and some have only 1 standard. Bear in mind that not each seed phrase is similar https://webookmarks.com/story6204473/bip39-tangem-the-single-best-strategy-to-use-for-bip39-generator-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw