From b1d158f333d37da682de6854cf80f83a6777fa80 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Thu, 28 Mar 2024 15:41:38 +0100
Subject: validate fields postnr antal

---
 kontakt.cgi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kontakt.cgi b/kontakt.cgi
index a860a9d..cfe9a08 100755
--- a/kontakt.cgi
+++ b/kontakt.cgi
@@ -22,6 +22,8 @@ my ($confirm) = 1;
 # Built-in email validation is too simplistic
 my $valid_email = '/^[+_A-Za-z0-9-]+(\.[+_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\.[A-Za-z0-9-]+)*(\.[_A-Za-z0-9-]+)$/';
 
+my $valid_dk_zip = '/^([Dd][Kk])?.?[0-9-]{4}$/';
+
 my $form = CGI::FormBuilder->new(
 	lang => 'da',
 	title => 'Henvendelse til Byvandring.nu',
@@ -37,8 +39,11 @@ my $form = CGI::FormBuilder->new(
 		kommentar
 	/],
 	validate => {
+		postnr => $valid_zip_dk,
+		_postnr => $valid_zip_dk, #fake check to silence warning of variable used only once
 		email => $valid_email,
 		_email => $valid_email, #fake check to silence warning of variable used only once
+		antal => 'INT',
 	},
 	required => [qw/
 		email
-- 
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