Bit count cannot be more than 2 digits (32)

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/net/trunk@1785349 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/commons/net/util/SubnetUtils.java b/src/main/java/org/apache/commons/net/util/SubnetUtils.java
index 8a4f89d..51dbdf5 100644
--- a/src/main/java/org/apache/commons/net/util/SubnetUtils.java
+++ b/src/main/java/org/apache/commons/net/util/SubnetUtils.java
@@ -27,7 +27,7 @@
 public class SubnetUtils {
 
     private static final String IP_ADDRESS = "(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})";
-    private static final String SLASH_FORMAT = IP_ADDRESS + "/(\\d{1,3})";
+    private static final String SLASH_FORMAT = IP_ADDRESS + "/(\\d{1,2})"; // 0 -> 32
     private static final Pattern addressPattern = Pattern.compile(IP_ADDRESS);
     private static final Pattern cidrPattern = Pattern.compile(SLASH_FORMAT);
     private static final int NBITS = 32;