diff --git a/src/Str.java b/src/Str.java
deleted file mode 100644
index bc24f73..0000000
--- a/src/Str.java
+++ /dev/null
@@ -1,82 +0,0 @@
-
-
-
-/**
- * General purpose string utilities
- * 
- * @author Ondřej Hruška (MightyPork)
- */
-public class Str {
-	
-	public static String fromLastDot(String s)
-	{
-		return fromLastChar(s, '.');
-	}
-	
-	
-	public static String toLastDot(String s)
-	{
-		return toLastChar(s, '.');
-	}
-	
-	
-	public static String fromLastChar(String s, char c)
-	{
-		if (s == null) return null;
-		return s.substring(s.lastIndexOf(c) + 1, s.length());
-	}
-	
-	
-	public static String toLastChar(String s, char c)
-	{
-		if (s == null) return null;
-		if (s.lastIndexOf(c) == -1) return s;
-		return s.substring(0, s.lastIndexOf(c));
-	}
-	
-	
-	/**
-	 * Repeat a string
-	 * 
-	 * @param repeated string
-	 * @param count
-	 * @return output
-	 */
-	public static String repeat(String repeated, int count)
-	{
-		String s = "";
-		for (int i = 0; i < count; i++)
-			s += repeated;
-		return s;
-	}
-	
-	
-	public static boolean isValidFilenameChar(char ch)
-	{
-		return isValidFilenameString(Character.toString(ch));
-	}
-	
-	
-	public static boolean isValidFilenameString(String filename)
-	{
-		return filename.matches("[a-zA-Z0-9 +\\-.,_%@#!]+");
-	}
-	
-	
-	public static String ellipsisStart(String orig, int length)
-	{
-		if (orig.length() > length) {
-			orig = "\u2026" + orig.substring(length, orig.length());
-		}
-		return orig;
-	}
-	
-	
-	public static String ellipsisEnd(String orig, int length)
-	{
-		if (orig.length() > length) {
-			orig = orig.substring(0, length - 1) + "\u2026";
-		}
-		return orig;
-	}
-}