I thought it required '='[^1-9] ? Because real 'password' = 'bogus crap' would turn into 0 which would then be compared to a string starting with something else

I thought it required '='[^1-9] ? Because real 'password' = 'bogus crap' would turn into 0 which would then be compared to a string starting with something else than 1-9 which gets turned into a 0 as well.