On top of that, for those who are trying to find a far more Superior tool, see Onionmine, a useful wrapper for mkp224o that also can handle TLS certification generation for Onion Solutions. At present, software implements only a straightforward subset of regular expression styles, Here is a quick summary: https://vanityaddressethereum55431.designertoblog.com/63068390/vanity-wallet-for-dummies