Bip39 Regex. It can be worthy of noting that a seed phrase grants usage of your private keys. Whilst private keys are cumbersome to employ and are available within a string of 256 alphanumeric characters, seed phrases are generally 12 or 24 words long, and created up of normal words. https://spencertkync.wikipresses.com/4839107/the_anatomy_of_the_bip39_phrase_entropy_terms_and_security