From 444857759c6acc6424b2938eba21b91122960b72 Mon Sep 17 00:00:00 2001
From: Sunny Ripert <sunny@sunfox.org>
Date: Mon, 5 Jan 2026 16:07:59 +0100
Subject: [PATCH] =?UTF-8?q?Fix=20Belgium=20to=20ignore=20`-`=20and=20`.`?=
 =?UTF-8?q?=20=F0=9F=87=A7=F0=9F=87=AA?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 CHANGELOG.md                       | 3 +++
 lib/tin_valid/belgium_tin.rb       | 5 +++--
 spec/tin_valid/belgium_tin_spec.rb | 1 +
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index def070c..683313e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 ## [Unreleased]
 
+Fixes:
+- Fix Belgium to ignore `-` and `.` 🇧🇪
+
 ## [1.3.0] - 2025-12-12
 
 Features:
diff --git a/lib/tin_valid/belgium_tin.rb b/lib/tin_valid/belgium_tin.rb
index 5d460e0..fdf1723 100644
--- a/lib/tin_valid/belgium_tin.rb
+++ b/lib/tin_valid/belgium_tin.rb
@@ -12,7 +12,7 @@ def initialize(tin:, birth_date: nil)
     def valid?
       return false unless match
 
-      number = tin[..-3]
+      number = normalized[..-3]
       valid_check?("19#{year}", month, day, number) ||
         valid_check?("20#{year}", month, day, "2#{number}")
     end
@@ -32,7 +32,8 @@ def valid?
     }x
     private_constant :MATCHER
 
-    def match = @match ||= MATCHER.match(tin)
+    def match = @match ||= MATCHER.match(normalized)
+    def normalized = @normalized ||= tin&.gsub(/[-.]+/, "")
     def year = match[:year]
     def month = match[:month]
     def day = match[:day]
diff --git a/spec/tin_valid/belgium_tin_spec.rb b/spec/tin_valid/belgium_tin_spec.rb
index e60ebec..85d361b 100644
--- a/spec/tin_valid/belgium_tin_spec.rb
+++ b/spec/tin_valid/belgium_tin_spec.rb
@@ -5,6 +5,7 @@
     valid_values = [
       ["00012511119", nil],
       ["00012511148", nil],
+      ["00.01.25-111.48", nil],
       ["00012511119", Date.new(1900, 1, 25)],
       ["00012511148", Date.new(2000, 1, 25)],
     ]