diff --git a/source/net/filebot/similarity/Normalization.java b/source/net/filebot/similarity/Normalization.java
index 7df2cfd7..4bad36a9 100644
--- a/source/net/filebot/similarity/Normalization.java
+++ b/source/net/filebot/similarity/Normalization.java
@@ -8,13 +8,13 @@ import java.util.regex.Pattern;
 
 public class Normalization {
 
-	private static final Pattern apostrophe = compile("['`´‘’ʻ]+");
-	private static final Pattern punctuation = compile("[\\p{Punct}\\p{Space}]+", UNICODE_CHARACTER_CLASS);
-	private static final Pattern spaceLikePunctuation = compile("[:?._]");
+	public static final Pattern APOSTROPHE = compile("['`´‘’ʻ]+");
+	public static final Pattern PUNCTUATION_OR_SPACE = compile("[\\p{Punct}\\p{Space}]+", UNICODE_CHARACTER_CLASS);
+	public static final Pattern WORD_SEPARATOR_PUNCTUATION = compile("[:?._]");
 
-	private static final Pattern trailingParentheses = compile("(?<!^)[(]([^)]*)[)]$");
-	private static final Pattern trailingPunctuation = compile("[!?.]+$");
-	private static final Pattern checksum = compile("[\\(\\[](\\p{XDigit}{8})[\\]\\)]");
+	public static final Pattern TRAILING_PARENTHESIS = compile("(?<!^)[(]([^)]*)[)]$");
+	public static final Pattern TRAILING_PUNCTUATION = compile("[!?.]+$");
+	public static final Pattern EMBEDDED_CHECKSUM = compile("[\\(\\[](\\p{XDigit}{8})[\\]\\)]");
 
 	private static final Pattern[] brackets = new Pattern[] { compile("\\([^\\(]*\\)"), compile("\\[[^\\[]*\\]"), compile("\\{[^\\{]*\\}") };
 
@@ -31,13 +31,13 @@ public class Normalization {
 	}
 
 	public static String trimTrailingPunctuation(String name) {
-		return trailingPunctuation.matcher(name).replaceAll("").trim();
+		return TRAILING_PUNCTUATION.matcher(name).replaceAll("").trim();
 	}
 
 	public static String normalizePunctuation(String name) {
 		// remove/normalize special characters
-		name = apostrophe.matcher(name).replaceAll("");
-		name = punctuation.matcher(name).replaceAll(" ");
+		name = APOSTROPHE.matcher(name).replaceAll("");
+		name = PUNCTUATION_OR_SPACE.matcher(name).replaceAll(" ");
 		return name.trim();
 	}
 
@@ -50,7 +50,7 @@ public class Normalization {
 	}
 
 	public static String normalizeSpace(String name, String replacement) {
-		return replaceSpace(spaceLikePunctuation.matcher(name).replaceAll(" ").trim(), replacement);
+		return replaceSpace(WORD_SEPARATOR_PUNCTUATION.matcher(name).replaceAll(" ").trim(), replacement);
 	}
 
 	public static String replaceSpace(String name, String replacement) {
@@ -58,7 +58,7 @@ public class Normalization {
 	}
 
 	public static String getEmbeddedChecksum(String name) {
-		Matcher m = checksum.matcher(name);
+		Matcher m = EMBEDDED_CHECKSUM.matcher(name);
 		if (m.find()) {
 			return m.group(1);
 		}
@@ -67,12 +67,12 @@ public class Normalization {
 
 	public static String removeEmbeddedChecksum(String name) {
 		// match embedded checksum and surrounding brackets
-		return checksum.matcher(name).replaceAll("");
+		return EMBEDDED_CHECKSUM.matcher(name).replaceAll("");
 	}
 
 	public static String removeTrailingBrackets(String name) {
 		// remove trailing braces, e.g. Doctor Who (2005) -> Doctor Who
-		return trailingParentheses.matcher(name).replaceAll("").trim();
+		return TRAILING_PARENTHESIS.matcher(name).replaceAll("").trim();
 	}
 
 	public static String truncateText(String title, int limit) {