+ String.asciiQuotes() to normalize wierd quotation marks (e.g. "\u00b4\u2018\u2019\u02bb".asciiQuotes() == "''''")

source/net/filebot/format/ExpressionFormatMethods.java

@@ -12,6 +12,7 @@ import java.util.List;
 import java.util.Locale;
 import java.util.regex.Matcher;
 
+import net.filebot.similarity.Normalization;
 import net.filebot.util.FileUtilities;
 
 import com.ibm.icu.text.Transliterator;
@@ -254,6 +255,10 @@ public class ExpressionFormatMethods {
 		return Transliterator.getInstance("Any-Latin;Latin-ASCII;[:Diacritic:]remove").transform(self).replaceAll("[^\\p{ASCII}]+", fallback).trim();
 	}
 
+	public static String asciiQuotes(String self) {
+		return Normalization.normalizeQuotationMarks(self);
+	}
+
 	/**
 	 * Replace multiple replacement pairs
 	 * 

source/net/filebot/similarity/Normalization.java

@@ -17,6 +17,18 @@ public class Normalization {
 
 	private static final Pattern checksum = compile("[\\(\\[]\\p{XDigit}{8}[\\]\\)]");
 
+	private static final char[] doubleQuotes = new char[] { '\"', '\u0060', '\u00b4', '\u2018', '\u2019', '\u02bb' };
+	private static final char[] singleQuotes = new char[] { '\'', '\u201c', '\u201d' };
+
+	public static String normalizeQuotationMarks(String name) {
+		for (char[] cs : new char[][] { doubleQuotes, singleQuotes }) {
+			for (char c : cs) {
+				name = name.replace(c, cs[0]);
+			}
+		}
+		return name;
+	}
+
 	public static String normalizePunctuation(String name) {
 		// remove/normalize special characters
 		name = apostrophe.matcher(name).replaceAll("");