my $name= $p->param('name')||'';
if ($name =~ /^([a-zA-Z0-9]+)$/) {
        $name = $1;                     # $data now untainted
    }

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I need some help with regular expressions. I would like to restrict $name to large and small case letters and numbers. john larson

In reply to validating form input by jwlarson3rd

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