diff --git a/src/main/java/dev/personnummer/Personnummer.java b/src/main/java/dev/personnummer/Personnummer.java
index 59273ba..f1210e6 100644
--- a/src/main/java/dev/personnummer/Personnummer.java
+++ b/src/main/java/dev/personnummer/Personnummer.java
@@ -15,7 +15,7 @@ public final class Personnummer implements Comparable<Personnummer> {
     private static final Pattern regexPattern;
 
     static {
-        regexPattern = Pattern.compile("^(\\d{2})?(\\d{2})(\\d{2})(\\d{2})([-|+]?)?((?!000)\\d{3})(\\d?)$");
+        regexPattern = Pattern.compile("^(\\d{2})?(\\d{2})(\\d{2})(\\d{2})([-+]?)?((?!000)\\d{3})(\\d?)$");
     }
 
     /**
diff --git a/src/test/java/PersonnummerTest.java b/src/test/java/PersonnummerTest.java
index 7ac0370..63a7f74 100644
--- a/src/test/java/PersonnummerTest.java
+++ b/src/test/java/PersonnummerTest.java
@@ -37,10 +37,10 @@ public void testConstructorCoord(PersonnummerData ssn) {
     @ParameterizedTest
     @MethodSource({"DataProvider#getInvalidPersonnummer", "DataProvider#getValidCoordinationNumbers"})
     public void testConstructorInvalid(PersonnummerData ssn) {
-        assertThrows(PersonnummerException.class, () -> new Personnummer(ssn.longFormat, new Options(false)));
-        assertThrows(PersonnummerException.class, () -> new Personnummer(ssn.shortFormat, new Options(false)));
-        assertThrows(PersonnummerException.class, () -> new Personnummer(ssn.separatedFormat, new Options(false)));
-        assertThrows(PersonnummerException.class, () -> new Personnummer(ssn.separatedFormat, new Options(false)));
+        assertThrows(PersonnummerException.class, () -> new Personnummer(ssn.longFormat, new Options(false)), ssn.longFormat);
+        assertThrows(PersonnummerException.class, () -> new Personnummer(ssn.shortFormat, new Options(false)), ssn.shortFormat);
+        assertThrows(PersonnummerException.class, () -> new Personnummer(ssn.separatedFormat, new Options(false)), ssn.separatedFormat);
+        assertThrows(PersonnummerException.class, () -> new Personnummer(ssn.separatedLong, new Options(false)), ssn.separatedLong);
     }
 
     @ParameterizedTest