Re: about a regex

] > > You could do > > $string !~ m/[a-zA-Z0-9]/ > > > On Fri, Dec 31, 2021 at 10:23 PM Piper H wrote: > >> Hello >> >> I know [a-zA-Z0-9] means words and numbers. >> But what's the reverse of this regex? >> >> Thank you. >> >

about a regex

Hello I know [a-zA-Z0-9] means words and numbers. But what's the reverse of this regex? Thank you.