If units are not specified, we need to handle that too in the regex.

Author: own3mall

.gitignore

@@ -11,5 +11,6 @@ CVS/
 build/classes
 build/jar
 build/build_tmp
+build/yuicompressor*.jar
 .project
 .classpath

build/yuicompressor-2.4.9.jar

@@ -496,10 +496,11 @@ public void compress(Writer out, int linebreakpos)
         while (m.find()) {
             String s = m.group();
 
-            s = s.replaceAll("(?<=[%|px|em|rem|vw]+)\\+", " + ");
-            s = s.replaceAll("(?<=[%|px|em|rem|vw]+)\\-", " - ");
-            s = s.replaceAll("(?<=[%|px|em|rem|vw]+)\\*", " * ");
-            s = s.replaceAll("(?<=[%|px|em|rem|vw]+)\\/", " / ");
+            s = s.replaceAll("(?<=[%|px|em|rem|vw|\\d]+)\\+", " + ");
+            s = s.replaceAll("(?<=[%|px|em|rem|vw|\\d]+)\\-", " - ");
+            s = s.replaceAll("(?<=[%|px|em|rem|vw|\\d]+)\\*", " * ");
+            s = s.replaceAll("(?<=[%|px|em|rem|vw|\\d]+)\\/", " / ");
+            
             m.appendReplacement(sb, s);
         }
         m.appendTail(sb);