=== modified file 'dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/MathUtils.java'
--- dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/MathUtils.java	2015-01-17 07:41:26 +0000
+++ dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/MathUtils.java	2015-04-09 17:55:53 +0000
@@ -54,8 +54,8 @@
     
     private static final double TOLERANCE = 0.01;
     
-    public static final String NUMERIC_REGEXP = "^(-?0|-?[1-9]\\d*)(\\.\\d+)?(E\\d+)?$";
-    public static final String NUMERIC_LENIENT_REGEXP = "^(-?[0-9]+)(\\.[0-9]+)?(E\\d+)?$";
+    public static final String NUMERIC_REGEXP = "^(-?0|-?[1-9]\\d*)(\\.\\d+)?(E(-)?\\d+)?$";
+    public static final String NUMERIC_LENIENT_REGEXP = "^(-?[0-9]+)(\\.[0-9]+)?(E(-)?\\d+)?$";
     
     private static final Pattern NUMERIC_PATTERN = Pattern.compile( NUMERIC_REGEXP );
     private static final Pattern NUMERIC_LENIENT_PATTERN = Pattern.compile( NUMERIC_LENIENT_REGEXP );

=== modified file 'dhis-2/dhis-support/dhis-support-system/src/test/java/org/hisp/dhis/system/util/MathUtilsTest.java'
--- dhis-2/dhis-support/dhis-support-system/src/test/java/org/hisp/dhis/system/util/MathUtilsTest.java	2015-01-17 07:41:26 +0000
+++ dhis-2/dhis-support/dhis-support-system/src/test/java/org/hisp/dhis/system/util/MathUtilsTest.java	2015-04-09 17:55:53 +0000
@@ -103,6 +103,7 @@
         assertTrue( MathUtils.isNumeric( "-0.34" ) );
         assertTrue( MathUtils.isNumeric( "6.34E11" ) );
         assertTrue( MathUtils.isNumeric( "3.342E7" ) );
+        assertTrue( MathUtils.isNumeric( "2.43E-7" ) );
 
         assertFalse( MathUtils.isNumeric( "Hey" ) );
         assertFalse( MathUtils.isNumeric( "45 Perinatal Condition" ) );
@@ -147,6 +148,7 @@
         assertTrue( MathUtils.isNumericLenient( "-0.34" ) );
         assertTrue( MathUtils.isNumericLenient( "6.34E11" ) );
         assertTrue( MathUtils.isNumericLenient( "3.342E7" ) );
+        assertTrue( MathUtils.isNumericLenient( "2.43E-7" ) );
 
         assertFalse( MathUtils.isNumericLenient( "Hey" ) );
         assertFalse( MathUtils.isNumericLenient( "45 Perinatal Condition" ) );