Collect re:s for count

app/src/main/java/eu/faircode/email/EntityMessage.java

@@ -321,25 +321,42 @@ public class EntityMessage implements Serializable {
     }
 
     static int getReplies(Context context, String language, String subject) {
-        boolean found = false;
+        int count = 0;
+
         List<String> res = new ArrayList<>();
         res.addAll(Arrays.asList(Helper.getStrings(context, language, R.string.title_subject_reply, "")));
         res.addAll(Arrays.asList(Helper.getStrings(context, language, R.string.title_subject_reply_alt, "")));
+
+        subject = subject.trim();
+        while (true) {
+            boolean found = false;
             for (String re : res) {
                 Matcher m = getPattern(re.trim()).matcher(subject);
                 if (m.matches()) {
                     found = true;
+                    subject = m.group(m.groupCount()).trim();
+
                     if (re.trim().endsWith(":"))
                         try {
                             String n = m.group(2);
-                        if (n != null)
+                            if (n == null)
-                            return Integer.parseInt(n.substring(1, n.length() - 1));
+                                count++;
+                            else
+                                count += Integer.parseInt(n.substring(1, n.length() - 1));
                         } catch (NumberFormatException ex) {
                             Log.e(ex);
+                            count++;
                         }
+                    else
+                        count++;
+
+                    break;
                 }
             }
-        return (found ? 1 : 0);
+            if (!found)
+                break;
+        }
+        return count;
     }
 
     static String collapsePrefixes(Context context, String language, String subject, boolean forward) {
@@ -361,10 +378,12 @@ public class EntityMessage implements Serializable {
                 Matcher m = getPattern(prefix.first.trim()).matcher(subject);
                 if (m.matches()) {
                     found = true;
+                    subject = m.group(m.groupCount()).trim();
+
                     int count = scanned.size();
                     if (!prefix.second.equals(count == 0 ? forward : scanned.get(count - 1)))
                         scanned.add(prefix.second);
-                    subject = m.group(m.groupCount());
+
                     break;
                 }
             }