As others have said: use substr(). But I offer this additional advice: use substr() as an lvalue like so ... 
$a = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

# (remember perl strings start at position 0)
substr($a,9,11) = "0123456789-";

print "\$a='$a'\n";

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In reply to Re: howto replace part of a string by MonkE
in thread howto replace part of a string by jeanluca

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