This depends on the exact format of the filename. But possible the following example will give you an idea: 

my $filename = "customer100";
my $timestamp= "02012013";

$filename =~ /(\w+)(\d+)/;              # split filename into "custome
+r" and "100"
$filename = $1."_".$timestamp."_".$2;

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HTH! Rata

In reply to Re: Remove digits from a string and add timestamp to the result by Ratazong
in thread Remove digits from a string and add timestamp to the result by suneel.reddy

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