Bip39 Regex A BIP39 mnemonic sentence can be a set of words (most often twelve or 24) that we could communicate with extra effectively than other characters that aren't words (bits and numbers as well as like). BIP39's purpose in introducing using mnemonic words would be to lessen the errors https://infopagex.com/story3949372/bip39-swift-indicators-on-bip39-phrase-you-should-know