diff --git a/index.js b/index.js
index d4e12fa..f98b29f 100644
--- a/index.js
+++ b/index.js
@@ -35,7 +35,7 @@ module.exports = postcss.plugin("postcss-pxtorem", options => {
       exclude &&
       ((type.isFunction(exclude) && exclude(filePath)) ||
         (type.isString(exclude) && filePath.indexOf(exclude) !== -1) ||
-        filePath.match(exclude) !== null)
+        (type.isRegExp(exclude) && filePath.match(exclude) !== null))
     ) {
       return;
     }
diff --git a/lib/type.js b/lib/type.js
index dda695f..429864a 100644
--- a/lib/type.js
+++ b/lib/type.js
@@ -12,7 +12,8 @@ const types = [
   "Number",
   "Function",
   "Symbol",
-  "Object"
+  "Object",
+  "RegExp"
 ];
 
 module.exports = types.reduce((acc, str) => {