##
my $LastName=param('LastName');
# pattern should match sql field requirement
if($LastName =~ /^([\w\s]+)$/){
$LastName = $1;
}else{
print invalid search request .html
}
my $reqpage= param('reqpage');
if($reqpage =~ /^(\d+)$/){
$reqpage = $1;
}else{
print invalid page request .html
}