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diff --git a/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/validators/RangeValidator.java b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/validators/RangeValidator.java
new file mode 100644
index 000000000..4caa4c287
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+++ b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/validators/RangeValidator.java
@@ -0,0 +1,49 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+/*
+ * 28.6.2006
+ */
+package org.simantics.utils.ui.validators;
+
+import org.eclipse.jface.dialogs.IInputValidator;
+
+/**
+ * RangeValidator is a validator that validates integer numbers
+ * in a given range.
+ * @author Toni Kalajainen
+ */
+public class RangeValidator implements IInputValidator {
+
+    final long minValue;
+    final long maxValue;
+
+    public RangeValidator(long minValue, long maxValue)
+    {
+        this.minValue = minValue;
+        this.maxValue = maxValue;
+    }
+
+    @Override
+    public String isValid(String newText) {
+        try {
+            long value = new Long(newText);
+            if (value<minValue)
+                return "Value must be at least or over "+minValue;
+            if (value>maxValue)
+                return "Value must be at most "+maxValue;
+            return null;
+        } catch (NumberFormatException e) {
+            return "\""+newText+"\" is not an integer value";//;e.getMessage();
+        }
+    };
+
+}