diff --git a/README.md b/README.md
index 4832134..6cf2a58 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ module.exports = {
       root: '/full/project/path',
       verbose: true, 
       dry: false,
-      exclude: ['shared.js']
+      exclude: ['shared.js', /style_.+\.css/]
     })
   ]
 }
diff --git a/index.js b/index.js
index b306d2d..60e8065 100644
--- a/index.js
+++ b/index.js
@@ -133,7 +133,15 @@ CleanWebpackPlugin.prototype.apply = function () {
         if (pathStat.isDirectory()) {
           childrenAfterExcluding = fs.readdirSync(rimrafPath)
               .filter(function (childFile) {
-                var include = _this.options.exclude.indexOf(childFile) < 0;
+                var include = true;
+
+                _this.options.exclude.forEach(function(exclusionRule) {
+                  if (childFile.match(exclusionRule)) {
+                    include = false;
+                    return;
+                  }
+                });
+
                 if (!include) {
                   excludedChildren.push(childFile);
                 }