diff --git a/bundles/org.openhab.core/src/main/java/org/openhab/core/library/types/QuantityType.java b/bundles/org.openhab.core/src/main/java/org/openhab/core/library/types/QuantityType.java
index d7059de03..875c15a35 100644
--- a/bundles/org.openhab.core/src/main/java/org/openhab/core/library/types/QuantityType.java
+++ b/bundles/org.openhab.core/src/main/java/org/openhab/core/library/types/QuantityType.java
@@ -70,11 +70,11 @@ public class QuantityType<T extends Quantity<T>> extends Number
     public static final QuantityType<Dimensionless> ZERO = new QuantityType<>(0, AbstractUnit.ONE);
     public static final QuantityType<Dimensionless> ONE = new QuantityType<>(1, AbstractUnit.ONE);
 
-    // Regular expression to split unit from value. Split on any blank character, even none (\\s*)
-    // which occurs after a digit (?<=\\d) and before a "unit" character ?=[a-zA-Z°µ\u03BC%']
-    // which itself must not be preceded by plus/minus digit (?![\\+\\-]?\\d).
+    // Regular expression to split unit from value. Split on any blank character, or
+    // between a digit (?<=\\d) and a non-digit character (?=\\D)
+    // which must not be preceded by plus/minus digit (?![\\+\\-]?\\d).
     // The latter would be an exponent from the scalar value.
-    private static final String UNIT_PATTERN = "(?<=\\d)\\s*(?=[a-zA-Z°µ\u03BC%'](?![\\+\\-]?\\d))";
+    private static final String UNIT_PATTERN = "\\s+|(?<=\\d)(?=\\D(?![\\+\\-]?\\d))";
 
     static {
         UnitInitializer.init();
diff --git a/bundles/org.openhab.core/src/test/java/org/openhab/core/library/types/QuantityTypeTest.java b/bundles/org.openhab.core/src/test/java/org/openhab/core/library/types/QuantityTypeTest.java
index e521be9e8..df345d70e 100644
--- a/bundles/org.openhab.core/src/test/java/org/openhab/core/library/types/QuantityTypeTest.java
+++ b/bundles/org.openhab.core/src/test/java/org/openhab/core/library/types/QuantityTypeTest.java
@@ -143,6 +143,11 @@ public class QuantityTypeTest {
         new QuantityType<>("0E-22 m");
         new QuantityType<>("10E-3");
         new QuantityType<>("10E3");
+        new QuantityType<>("1 /s");
+        new QuantityType<>("1/s");
+        new QuantityType<>("1Ω·m");
+        new QuantityType<>("1 Ω·m");
+        new QuantityType<>("1.5E2Ω·m");
         QuantityType.valueOf("2m");
     }
 
@@ -158,6 +163,10 @@ public class QuantityTypeTest {
         assertEquals(QuantityType.valueOf("1.1e3\u03BCm"), QuantityType.valueOf("1.1E3 µm"));
         assertEquals(QuantityType.valueOf("1.1e3 \u00B5m"), QuantityType.valueOf("1.1E3 µm"));
         assertEquals(QuantityType.valueOf("1.1e3\u00B5m"), QuantityType.valueOf("1.1E3 µm"));
+        assertEquals(QuantityType.valueOf("1.1e3Ω·m"), QuantityType.valueOf("1.1E3 Ω·m"));
+        assertEquals(QuantityType.valueOf("1.1e3 Ω·m"), QuantityType.valueOf("1.1E3 Ω·m"));
+        assertEquals(QuantityType.valueOf("1.1e3/s"), QuantityType.valueOf("1.1E3 /s"));
+        assertEquals(QuantityType.valueOf("1.1e3 /s"), QuantityType.valueOf("1.1E3 /s"));
     }
 
     @ParameterizedTest