diff --git a/app/src/main/java/lightcontainer/protocol/rules/writer/EraseFileRule.java b/app/src/main/java/lightcontainer/protocol/rules/writer/EraseFileRule.java
index f0d9794..19f57a7 100644
--- a/app/src/main/java/lightcontainer/protocol/rules/writer/EraseFileRule.java
+++ b/app/src/main/java/lightcontainer/protocol/rules/writer/EraseFileRule.java
@@ -1,11 +1,14 @@
 package lightcontainer.protocol.rules.writer;
 
 import lightcontainer.protocol.ProtocolWriter;
+import lightcontainer.protocol.StandardizedDefinitions;
+
+import static lightcontainer.protocol.StandardizedDefinitions.FFE_ERASE_FILE;
 
 public class EraseFileRule extends ProtocolWriter {
 
-    //"^ERASEFILE ([A-Za-z0-9]{50,200})\r\n$"
-    private static final String PATTERN = "^ERASEFILE ([A-Za-z0-9.]{50,200})\r\n$";
+    //"^ERASEFILE ([A-Za-z0-9.]{50,200})\r\n$"
+    private static final String PATTERN = FFE_ERASE_FILE;
 
     public static String NAME = "ERASEFILE";
 
diff --git a/app/src/main/resources/appdata.json b/app/src/main/resources/appdata.json
index 84b0f15..f8ee259 100644
--- a/app/src/main/resources/appdata.json
+++ b/app/src/main/resources/appdata.json
@@ -1,16 +1 @@
-{
-  "unicast_port": 8000,
-  "multicast_ip": "224.66.66.1",
-  "multicast_port": 15502,
-  "network_interface": "lo",
-  "tls": true,
-  "storagePath": "C:\\Users\\ledou\\Documents\\ffe",
-  "users": [
-    {
-      "name": "aaaaa",
-      "password": "$2a$10$Up/pME2iFKALVSu8/JDpG.8Vc2vidOm99SeVoayCB1th7KHMZ1gq2",
-      "aes_key": "4+D3geivckhduP14646nYBb91N71HJj+8uvHFb0su0o=",
-      "files": []
-    }
-  ]
-}
\ No newline at end of file
+{"unicast_port":8000,"multicast_ip":"224.66.66.1","multicast_port":15502,"network_interface":"lo","tls":true,"storagePath":"C:\\Users\\ledou\\Documents\\ffe","users":[{"name":"aaaaa","password":"$2a$10$Up/pME2iFKALVSu8/JDpG.8Vc2vidOm99SeVoayCB1th7KHMZ1gq2","aes_key":"4+D3geivckhduP14646nYBb91N71HJj+8uvHFb0su0o=","files":[]}]}
\ No newline at end of file