From e78cb751420146c1c8f892ee883a903ed5173ff8 Mon Sep 17 00:00:00 2001
From: Florens Douwes <Floens@gmail.com>
Date: Sat, 9 Aug 2014 15:21:44 +0200
Subject: [PATCH] Fix filename filtering Android seems to think different about
 the \w regex flag. Also prevent empty names by replacing it with an
 underscore intead of a space.

---
 Clover/app/src/main/java/org/floens/chan/utils/ImageSaver.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Clover/app/src/main/java/org/floens/chan/utils/ImageSaver.java b/Clover/app/src/main/java/org/floens/chan/utils/ImageSaver.java
index 7aa02f6c..dccb1414 100644
--- a/Clover/app/src/main/java/org/floens/chan/utils/ImageSaver.java
+++ b/Clover/app/src/main/java/org/floens/chan/utils/ImageSaver.java
@@ -169,7 +169,7 @@ public class ImageSaver {
     }
 
     private static String filterName(String name) {
-        return name.replaceAll("[^\\w.]", "");
+        return name.replaceAll("[^a-zA-Z0-9.]", "_");
     }
 
     private static File findUnused(File start, boolean isDir) {