Well, \w = [a-zA-Z0-9_], so \W = [^a-zA-Z0-9_]. If you want to take the dot out of there too, make it [^a-zA-Z0-9_.]. 

$file =~ s/[^a-zA-Z0-9_.]//g;

[download]

Or use tr: 

$file =~ tr/a-zA-Z0-9_.//cd;

[download]

In reply to Re: Substitute \W but not \. by kyle
in thread Substitute \W but not \. by sstevens

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