Fix handling extreme values.

- VERBESSERT: Extreme Werte (mit "<" oder ">") wurden nicht sehr schön formatiert.

Tests/Importer/ZaaImporter/LaurisItemTest.cs

@@ -40,6 +40,7 @@ namespace Tests.Importer.ZaaImporter
             LaurisItem i = new LaurisItem(laurisString);
             Assert.AreEqual(name, i.Name, "Name");
             Assert.AreEqual(unit, i.Unit, "Unit");
+            Assert.IsFalse(i.IsExtreme, "IsExtreme");
             Assert.IsTrue(i.IsNumerical, "IsNumerical");
             Assert.AreEqual(value, i.NumericalValue, "NumericalValue");
             Assert.AreEqual(lowerLimit, i.LowerLimit, "Lower limit");
@@ -50,6 +51,25 @@ namespace Tests.Importer.ZaaImporter
             Assert.IsTrue(i.HasUpperLimit, "HasUpperLimit");
         }
 
+        [TestCase("Folsäure: > 20 [2.0 - 9.1] ng/ml; ", "Folsäure", "> 20", "ng/ml", 2, 9.1, false)]
+        public void ParseLaurisWithGreaterOrLowerValue(
+            string laurisString, string name, string value,
+            string unit, double lowerLimit, double upperLimit, bool isNormal)
+        {
+            LaurisItem i = new LaurisItem(laurisString);
+            Assert.AreEqual(name, i.Name, "Name");
+            Assert.AreEqual(unit, i.Unit, "Unit");
+            Assert.IsTrue(i.IsExtreme, "IsExtreme");
+            Assert.IsFalse(i.IsNumerical, "IsNumerical");
+            Assert.AreEqual(value, i.Value, "Value");
+            Assert.AreEqual(lowerLimit, i.LowerLimit, "Lower limit");
+            Assert.AreEqual(upperLimit, i.UpperLimit, "Upper limit");
+            Assert.AreEqual(isNormal, i.IsNormal, "IsNormal");
+            Assert.IsTrue(i.HasLimits, "HasLimits");
+            Assert.IsTrue(i.HasLowerLimit, "HasLowerLimit");
+            Assert.IsTrue(i.HasUpperLimit, "HasUpperLimit");
+        }
+
         [TestCase("HDL - Cholesterin: 45 [>= 35] mg/dl", "HDL - Cholesterin", 45, "mg/dl", 35, true)]
         public void ParseLaurisWithLowerLimit(
             string laurisString, string name, double value,

zaaReloaded2/Importer/ZaaImporter/LaurisItem.cs

@@ -203,7 +203,7 @@ namespace zaaReloaded2.Importer.ZaaImporter
         #region Fields
 
         static readonly Regex _numericalRegex = new Regex(
-            @"(?<name>[^:]+):\s*(?<value>[\d,.]+)\s*(?<limits>\[[^\]]+])?\s*(?<unit>[^;]+)?");
+            @"(?<name>[^:]+):\s*(?<value>([\<\>]\s)?[\d,.]+)\s*(?<limits>\[[^\]]+])?\s*(?<unit>[^;]+)?");
         static readonly Regex _categoricalRegex = new Regex(
             @"(?<name>[^:]+):\s*(?<value>[^[;]+)\s*(\[(?<normal>[^\]]+)])?");
         static readonly Regex _limitRegex = new Regex(@"\[(?<limit1>[-\d,.]+)?\s*(?<operator>\S+)\s*(?<limit2>[-\d,.]+)?]");

zaaReloaded2/LabModel/LabItem.cs

@@ -74,6 +74,19 @@ namespace zaaReloaded2.LabModel
             }
         }
 
+        /// <summary>
+        /// Returns whether or not the value is an 'extreme' value,
+        /// i.e. marked with "&gt;" or "&lt;". These values are not
+        /// strictly numeric, and IsNumerical returns false for them.
+        /// </summary>
+        public bool IsExtreme
+        {
+            get
+            {
+                return "<>".Contains(Value.Substring(0, 1));
+            }
+        }
+
         /// <summary>
         /// Gets the normal value of the item. Need not be set. This is
         /// used for items with nominal values (as opposed to numbers).
@@ -130,6 +143,8 @@ namespace zaaReloaded2.LabModel
         {
             get
             {
+                if (IsExtreme) return false;
+
                 if (HasLimits)
                 {
                     if (HasLowerLimit && HasUpperLimit)