Removing unwanted characters (zzzzzz,zzzzzzzzz,zz)

[R_Win]

Hi

I have some observations which are like this

data name;
input id$ name$ add$;
cards;
mailtohim nani mainroad
zzzzz zzz street
raju zzzz zzzzzzzzzzzzz
zzzzzzzz zz indi
run;

I have 200 variables in some variables the observations are filled with zzzz and i dont the number of zzzzzz present how can i eliminte and keep space at that place