Pattern.quote() replaces \\Q and \\E according to publication in

http://www.cs.washington.edu/homes/mernst/pubs/regex-types-ftfjp2012.pdf

htroot/Load_RSS_p.java

@@ -1,5 +1,5 @@
 /**
- *  oad_RSS_p
+ *  Load_RSS_p
  *  Copyright 2010 by Michael Peter Christen, mc@yacy.net, Frankfurt am Main, Germany
  *  First released 20.08.2010 at http://yacy.net
  *
@@ -26,6 +26,7 @@ import java.util.Date;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.regex.Pattern;
 
 import net.yacy.cora.document.Hit;
 import net.yacy.cora.document.RSSFeed;
@@ -83,7 +84,7 @@ public class Load_RSS_p {
                 if (messageurl.length() == 0) continue;
                 final byte[] api_pk = row.get("api_pk");
                 final Row r = api_pk == null ? null : sb.tables.select("api", api_pk);
-                if (r == null || !r.get("comment", "").matches(".*\\Q" + messageurl + "\\E.*")) {
+                if (r == null || !r.get("comment", "").matches(".*" + Pattern.quote(messageurl) + ".*")) {
                     d.add(row.getPK());
                 }
             }
@@ -125,7 +126,7 @@ public class Load_RSS_p {
                 if (messageurl.length() == 0) continue;
                 final byte[] api_pk = row.get("api_pk");
                 final Row r = api_pk == null ? null : sb.tables.select("api", api_pk);
-                if (r != null && r.get("comment", "").matches(".*\\Q" + messageurl + "\\E.*")) {
+                if (r != null && r.get("comment", "").matches(".*" + Pattern.quote(messageurl) + ".*")) {
                     d.add(row.getPK());
                 }
             }
@@ -194,7 +195,7 @@ public class Load_RSS_p {
                     // check if feed is registered in scheduler
                     final byte[] api_pk = row.get("api_pk");
                     final Row r = api_pk == null ? null : sb.tables.select("api", api_pk);
-                    if (r != null && r.get("comment", "").matches(".*\\Q" + messageurl + "\\E.*")) {
+                    if (r != null && r.get("comment", "").matches(".*" + Pattern.quote(messageurl) + ".*")) {
                         // this is a recorded entry
                         final Date date_next_exec = r.get(WorkTables.TABLE_API_COL_DATE_NEXT_EXEC, (Date) null);
                         prop.put("showscheduledfeeds_list_" + apic + "_pk", UTF8.String(row.getPK()));

source/de/anomic/data/ymark/YMarkCrawlStart.java

@@ -119,10 +119,9 @@ public class YMarkCrawlStart extends HashMap<String,String>{
 	private void load() {
 		try {
 			final StringBuilder buffer = new StringBuilder(500);
-			//buffer.append("^.*crawlingURL=\\Q");
-			buffer.append("^crawl start for \\Q");
-			buffer.append(url);
-			buffer.append("\\E?.*");
+			buffer.append("^crawl start for ");
+			buffer.append(Pattern.quote(url));
+			buffer.append("?.*");
 			final Pattern pattern = Pattern.compile(buffer.toString());
 			//final Iterator<Tables.Row> APIcalls = this.worktables.iterator(WorkTables.TABLE_API_NAME, WorkTables.TABLE_API_COL_URL, pattern);
 			final Iterator<Tables.Row> APIcalls = this.worktables.iterator(WorkTables.TABLE_API_NAME, WorkTables.TABLE_API_COL_COMMENT, pattern);

source/de/anomic/data/ymark/YMarkTables.java

@@ -92,8 +92,6 @@ public class YMarkTables {
 	public final static String ADMIN_AUTHENTICATE_MSG = "Admin authentication required!";
 
     public final static String p1 = "(?:^|.*,)";
-    public final static String p2 = "\\Q";
-    public final static String p3 = "\\E";
     public final static String p4 = "(?:,.*|$)";
     public final static String p5 = "((?:";
     public final static String p6 = ")(?:,.*|$)){";
@@ -194,9 +192,7 @@ public class YMarkTables {
     	patternBuilder.setLength(0);
     	patternBuilder.append(p1);
     	patternBuilder.append('(');
-    	patternBuilder.append(p2);
-		patternBuilder.append(folder);
-		patternBuilder.append(p3);
+		patternBuilder.append(Pattern.quote(folder));
 		patternBuilder.append(')');
 		patternBuilder.append(p4);
     	final Pattern p = Pattern.compile(patternBuilder.toString());
@@ -210,9 +206,7 @@ public class YMarkTables {
     	patternBuilder.append(p1);
     	patternBuilder.append(p5);
     	for (final String tag : tagArray) {
-        	patternBuilder.append(p2);
-    		patternBuilder.append(tag);
-    		patternBuilder.append(p3);
+    		patternBuilder.append(Pattern.quote(tag));
         	patternBuilder.append('|');
 		}
     	patternBuilder.deleteCharAt(patternBuilder.length()-1);