Add replace only the dot out of the number

Author: dom-baur

src/lib/string.spec.ts

@@ -124,14 +124,13 @@ describe("string tests", () => {
   test.each([
     [null as unknown as string, false],
     [undefined as unknown as string, false],
-    ["7569217076985", true],
     ["7561234567891", false],
+    ["7569217076985", true],
     ["756.9217.0769.85", true],
-    ["test756.9217.0769.85", false],
+    ["756..9217.0769.85", false],
     ["756.1234.5678.91", false],
-    ["756.1234.5678.91", false],
-    ["7 5......69 2...1707......69.85", false],
-    ["7 5......61 2...3456......7......89 1", false],
+    ["test756.9217.0769.85", false],
+    ["7.56..9217...0769.85", false],
   ])("check if the social insurance number is valid or not", (ahvNumber, expected) => {
     expect(isValidSwissSocialSecurityNumber(ahvNumber)).toBe(expected);
   });

src/lib/string.ts

@@ -85,7 +85,7 @@ export function isValidSwissSocialSecurityNumber(socialInsuranceNumber: string):
   if (!socialInsuranceNumberWithDots.test(socialInsuranceNumber) && !socialInsuranceNumberWithoutDots.test(socialInsuranceNumber)) {
     return false;
   }
-  const compactNumber = socialInsuranceNumber.replaceAll(/[\s.]+/g, "");
+  const compactNumber = socialInsuranceNumber.replaceAll(".", "");
   const digits = compactNumber.slice(0, -1);
   const reversedDigits = [...digits].reverse().join("");
   const reversedDigitsArray = [...reversedDigits];