diff --git a/src/java/org/apache/commons/lang/StringUtils.java b/src/java/org/apache/commons/lang/StringUtils.java
index bd72bb859..3a5d1ae04 100644
--- a/src/java/org/apache/commons/lang/StringUtils.java
+++ b/src/java/org/apache/commons/lang/StringUtils.java
@@ -2617,6 +2617,7 @@ private static String[] splitWorker(String str, String separatorChars, int max,
      * StringUtils.splitByCamelCase("ab de fg")   = ["ab", " ", "de", " ", "fg"]
      * StringUtils.splitByCamelCase("ab   de fg") = ["ab", "   ", "de", " ", "fg"]
      * StringUtils.splitByCamelCase("ab:cd:ef")   = ["ab", ":", "cd", ":", "ef"]
+     * StringUtils.splitByCamelCase("number5")   = ["number", "5"]
      * StringUtils.splitByCamelCase("fooBar")     = ["foo", "B", "ar"]
      * StringUtils.splitByCamelCase("foo200Bar")  = ["foo", "200", "B", "ar"]
      * StringUtils.splitByCamelCase("ASFRules")   = ["ASFR", "ules"]
@@ -2644,6 +2645,7 @@ public static String[] splitByCharacterType(String str) {
      * StringUtils.splitByCamelCase("ab de fg")   = ["ab", " ", "de", " ", "fg"]
      * StringUtils.splitByCamelCase("ab   de fg") = ["ab", "   ", "de", " ", "fg"]
      * StringUtils.splitByCamelCase("ab:cd:ef")   = ["ab", ":", "cd", ":", "ef"]
+     * StringUtils.splitByCamelCase("number5")   = ["number", "5"]
      * StringUtils.splitByCamelCase("fooBar")     = ["foo", "Bar"]
      * StringUtils.splitByCamelCase("foo200Bar")  = ["foo", "200", "Bar"]
      * StringUtils.splitByCamelCase("ASFRules")   = ["ASF", "Rules"]
diff --git a/src/test/org/apache/commons/lang/StringUtilsTest.java b/src/test/org/apache/commons/lang/StringUtilsTest.java
index f87e60403..e6f0176a5 100644
--- a/src/test/org/apache/commons/lang/StringUtilsTest.java
+++ b/src/test/org/apache/commons/lang/StringUtilsTest.java
@@ -873,6 +873,12 @@ public void testSplitByCharacterType() {
 
         assertTrue(ArrayUtils.isEquals(new String[] { "ab", ":", "cd", ":",
                 "ef" }, StringUtils.splitByCharacterType("ab:cd:ef", camelCase)));
+        
+        assertTrue(ArrayUtils.isEquals(new String[] { "number", "5" },
+                StringUtils.splitByCharacterType("number5")));
+        
+        assertTrue(ArrayUtils.isEquals(new String[] { "number", "5" },
+                StringUtils.splitByCharacterType("number5", camelCase)));
 
         assertTrue(ArrayUtils.isEquals(new String[] { "foo", "B", "ar" },
                 StringUtils.splitByCharacterType("fooBar")));
@@ -891,7 +897,6 @@ public void testSplitByCharacterType() {
 
         assertTrue(ArrayUtils.isEquals(new String[] { "ASF", "Rules" },
                 StringUtils.splitByCharacterType("ASFRules", camelCase)));
-
     }
 
     public void testDeprecatedDeleteSpace_String() {