diff --git a/htroot/CookieTest_p.java b/htroot/CookieTest_p.java
index ad55412fd..6179232f6 100644
--- a/htroot/CookieTest_p.java
+++ b/htroot/CookieTest_p.java
@@ -31,6 +31,7 @@ import java.util.Iterator;
 import java.util.Map;
 
 import net.yacy.cora.protocol.ResponseHeader;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.server.serverObjects;
 import net.yacy.server.serverSwitch;
 import net.yacy.server.servletProperties;
@@ -56,7 +57,7 @@ public class CookieTest_p {
             while (it.hasNext()) {
                 e = it.next();
                 if ("Cookie".equals(e.getKey())) {
-                    final String cookies[] = e.getValue().split(";");
+                    final String cookies[] = CommonPattern.SEMICOLON.split(e.getValue());
                     for(final String cookie : cookies)
                     {
                         final String nameValue[] = cookie.split("=");
diff --git a/htroot/Vocabulary_p.java b/htroot/Vocabulary_p.java
index 62b8d5950..5c0d130a3 100644
--- a/htroot/Vocabulary_p.java
+++ b/htroot/Vocabulary_p.java
@@ -40,6 +40,7 @@ import net.yacy.cora.lod.vocabulary.DCTerms;
 import net.yacy.cora.lod.vocabulary.Tagging;
 import net.yacy.cora.lod.vocabulary.Tagging.SOTuple;
 import net.yacy.cora.protocol.RequestHeader;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.data.WorkTables;
 import net.yacy.document.LibraryProvider;
@@ -170,7 +171,7 @@ public class Vocabulary_p {
                                         table.put(s, new Tagging.SOTuple(Tagging.normalizeTerm(s), u0));
                                     }
                                 } else if (discoverFromAuthor) {
-                                    String[] ts = t.split(";"); // author names are often separated by ';'
+                                    String[] ts = CommonPattern.SEMICOLON.split(t); // author names are often separated by ';'
                                     for (String s: ts) {
                                         if (s.isEmpty()) continue;
                                         int p = s.indexOf(','); // check if there is a reversed method to mention the name
diff --git a/source/net/yacy/data/UserDB.java b/source/net/yacy/data/UserDB.java
index fc0ad9885..3dd211017 100644
--- a/source/net/yacy/data/UserDB.java
+++ b/source/net/yacy/data/UserDB.java
@@ -42,6 +42,7 @@ import net.yacy.cora.order.CloneableIterator;
 import net.yacy.cora.order.Digest;
 import net.yacy.cora.order.NaturalOrder;
 import net.yacy.cora.protocol.RequestHeader;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.cora.util.SpaceExceededException;
 import net.yacy.kelondro.blob.MapHeap;
@@ -277,7 +278,7 @@ public final class UserDB {
     }
     
     public static String getLoginToken(final String cookies){
-        final String[] cookie = cookies.split(";"); //TODO: Mozilla uses "; "
+        final String[] cookie = CommonPattern.SEMICOLON.split(cookies); //TODO: Mozilla uses "; "
         for (final String c :cookie) {
             String[] pair = c.split("=");
             if (pair[0].trim().equals("login")) {
diff --git a/source/net/yacy/document/content/DCEntry.java b/source/net/yacy/document/content/DCEntry.java
index ae403e533..5c44d3dc7 100644
--- a/source/net/yacy/document/content/DCEntry.java
+++ b/source/net/yacy/document/content/DCEntry.java
@@ -41,6 +41,7 @@ import org.apache.solr.common.params.MultiMapSolrParams;
 
 import net.yacy.cora.date.ISO8601Formatter;
 import net.yacy.cora.document.id.DigestURL;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.document.Document;
 
@@ -154,7 +155,7 @@ public class DCEntry extends MultiMapSolrParams {
     public DigestURL getRelation() {
         String u = this.get("dc:relation");
         if (u == null) return null;
-        String[] urls = u.split(";");
+        String[] urls = CommonPattern.SEMICOLON.split(u);
         if (urls.length > 1) {
             // select one that fits
             u = bestU(urls);
@@ -287,7 +288,7 @@ public class DCEntry extends MultiMapSolrParams {
         String[] tx;
         if (t != null) {
             t = stripCDATA(t);
-            return t.split(";");
+            return CommonPattern.SEMICOLON.split(t);
         }
         tx = this.getParams("dc:subject");
         
diff --git a/source/net/yacy/document/parser/csvParser.java b/source/net/yacy/document/parser/csvParser.java
index dd8ae0d01..c5b46627a 100644
--- a/source/net/yacy/document/parser/csvParser.java
+++ b/source/net/yacy/document/parser/csvParser.java
@@ -111,7 +111,7 @@ public class csvParser extends AbstractParser implements Parser {
                 if (separator == null) {
                     // try comma, semicolon and tab; take that one that results with more columns
                     final String[] colc = CommonPattern.COMMA.split(row);
-                    final String[] cols = row.split(";");
+                    final String[] cols = CommonPattern.SEMICOLON.split(row);
                     final String[] colt = row.split("\t");
                     if (colc.length >= cols.length && colc.length >= colt.length) separator = ",";
                     if (cols.length >= colc.length && cols.length >= colt.length) separator = ";";
diff --git a/source/net/yacy/document/parser/html/ScraperInputStream.java b/source/net/yacy/document/parser/html/ScraperInputStream.java
index ac2a763f8..764c4550d 100644
--- a/source/net/yacy/document/parser/html/ScraperInputStream.java
+++ b/source/net/yacy/document/parser/html/ScraperInputStream.java
@@ -36,6 +36,7 @@ import java.io.Writer;
 import java.util.Properties;
 
 import net.yacy.cora.document.id.DigestURL;
+import net.yacy.cora.util.CommonPattern;
 
 
 public class ScraperInputStream extends InputStream implements ScraperListener {
@@ -86,7 +87,7 @@ public class ScraperInputStream extends InputStream implements ScraperListener {
     private static String extractCharsetFromMimetypeHeader(final String mimeType) {
         if (mimeType == null) return null;
 
-        final String[] parts = mimeType.split(";");
+        final String[] parts = CommonPattern.SEMICOLON.split(mimeType);
         if (parts == null || parts.length <= 1) return null;
 
         for (int i=1; i < parts.length; i++) {
diff --git a/source/net/yacy/document/parser/vcfParser.java b/source/net/yacy/document/parser/vcfParser.java
index a60269b1d..0144622ae 100644
--- a/source/net/yacy/document/parser/vcfParser.java
+++ b/source/net/yacy/document/parser/vcfParser.java
@@ -42,6 +42,7 @@ import java.util.List;
 import net.yacy.cora.document.encoding.UTF8;
 import net.yacy.cora.document.id.AnchorURL;
 import net.yacy.cora.order.Base64Order;
+import net.yacy.cora.util.CommonPattern;
 import net.yacy.document.AbstractParser;
 import net.yacy.document.Document;
 import net.yacy.document.Parser;
@@ -99,7 +100,7 @@ public class vcfParser extends AbstractParser implements Parser {
                     String value = line.substring(pos+1).trim();
 
                     String encoding = null;
-                    final String[] keyParts = key.split(";");
+                    final String[] keyParts = CommonPattern.SEMICOLON.split(key);
                     if (keyParts.length > 1) {
                         for (final String keyPart : keyParts) {
                             if (keyPart.toUpperCase().startsWith("ENCODING")) {