diff --git a/Bat/installAPKs.bat b/Bat/installAPKs.bat
new file mode 100644
index 0000000..e25e212
--- /dev/null
+++ b/Bat/installAPKs.bat
@@ -0,0 +1,10 @@
+
+set adb=.\adb.exe
+set apks=.\apks\*.apk
+
+for %%X in (%apks%) do (
+	echo Installation de %%X
+	%adb% install %%X
+)
+
+pause
\ No newline at end of file
diff --git a/Java/Regex.java b/Java/Regex.java
index aee5301..6bc2adf 100644
--- a/Java/Regex.java
+++ b/Java/Regex.java
@@ -1,5 +1,7 @@
 
-
+/**
+ * Check is the given string is an IP adresse.
+ */
 public static boolean isIp(String ip) {
 	return ip != null && !ip.equals("") && ip.matches("^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$");
 }