例如，请参阅： SEARCH&替换 [ ^ ]。

例如

s = arun 36985;

s =〜s / /，/;
print

arun 36985
arrunav 25871
elarital 48734
depaal 43212
sujan 23467
my data is in this form i need to replace space with comma in perl script than how can i write the code for the above data

my data out put should be arun,36985
arrunav,25871
elarital,48734
depaal,43212
sujan,23467

See, for instance, here: SEARCH & REPLACE[^].
e.g.

s = "arun 36985";

s =~ s/ /,/; print