diff --git a/Foundation/CPString.j b/Foundation/CPString.j
index 70e4d74..b749379 100644
--- a/Foundation/CPString.j
+++ b/Foundation/CPString.j
@@ -422,8 +422,22 @@ var CPStringHashes      = new objj_dictionary();
 */
 - (CPComparisonResult)compare:(CPString)aString options:(int)aMask
 {
+    [self compare:aString options:aMask range:CPMakeRange(0,[self length])];
+}
+
+/*
+    Compares the receiver to the specified string in the specified range, using options.
+    @param aString the string with which to compare
+    @param aMask the options to use for the comparison
+    @param range the range where to search
+    @return the result of the comparison
+*/
+- (CPComparisonResult)compare:(CPString)aString options:(int)aMask range:(CPRange)range
+{   
     var lhs = self,
-        rhs = aString;
+        rhs = aString,
+        rhsLength = [rhs length],
+        lhsStart = range.location;
     
     if (aMask & CPCaseInsensitiveSearch)
     {
@@ -431,11 +445,15 @@ var CPStringHashes      = new objj_dictionary();
         rhs = rhs.toLowerCase();
     }
     
-    if (lhs < rhs)
-        return CPOrderedAscending;
-    else if (lhs > rhs)
-        return CPOrderedDescending;
+    for(var i = 0; i < range.length && i < rhsLength; i++)
+    {
+    if(lhs[lhsStart + i] < rhs[i])
+     return CPOrderedAscending;
+    else if(lhs[lhsStart + i] > rhs[i])
+     return CPOrderedDescending;
+    }
     
+   if(range.length == rhsLength)
     return CPOrderedSame;
 }