fix snippet containig number with comma as desmo point http://mantis.tokeek.de/view.php?id=344

to keep it as one word (by altering the split regex)
- added sniipet test case with number
- regex for word split to match multiple splitcars

source/net/yacy/search/snippet/TextSnippet.java

@@ -75,9 +75,11 @@ public class TextSnippet implements Comparable<TextSnippet>, Comparator<TextSnip
             Pattern.compile(".+[^\\p{L}\\p{N}]\\Z");
     /**
      * <code>\\A[\\p{L}\\p{N}]+[^\\p{L}\\p{N}].+\\Z</code>
+     * updated to <code>\\A([\\p{L}\\p{N}]+[^\\p{L}\\p{N}].+)([\\p{N}]+[.,][\\p{N}])+\\Z</code>
+     * to detect words with none alphanumeric chars (1) allow comma/dot surrounded by number (2)
      */
     private static final Pattern p3 =
-            Pattern.compile("\\A[\\p{L}\\p{N}]+[^\\p{L}\\p{N}].+\\Z");
+            Pattern.compile("\\A([\\p{L}\\p{N}]+[^\\p{L}\\p{N}].+)([\\p{N}]+[.,][\\p{N}])+\\Z");
     /**
      * <code>[^\\p{L}\\p{N}]</code>
      */
@@ -390,7 +392,7 @@ public class TextSnippet implements Comparable<TextSnippet>, Comparator<TextSnip
         return this.resultStatus;
     }
 
-    private static final Pattern SPLIT_PATTERN = Pattern.compile(" |-");
+    private static final Pattern SPLIT_PATTERN = Pattern.compile("[ |-]+");
 
     /**
      * Marks all words in current line which have the same

test/net/yacy/search/snippet/TextSnippetTest.java

@@ -152,5 +152,17 @@ public class TextSnippetTest {
         System.out.println("testDescriptionline: snippet=" + sniptxt);
         assertFalse ("HTML code not allowed in snippet text",sniptxt.contains("<pre>")); // display text not to include unwanted html
         assertTrue ("Query word not marked", sniptxt.contains("<b>test</b>")); // query word to be marked
+
+        // test text with some numbers (english/german format)
+        rawtestline = "Test Version 1.83 calculates pi to 3,14 always";
+        ts = new TextSnippet(
+            url.hash(),
+            rawtestline,
+            false, // isMarked,
+            TextSnippet.ResultClass.SOURCE_METADATA, "");
+        sniptxt = ts.descriptionline(qg);
+        System.out.println("testDescriptionline: (with numbers) snippet="+sniptxt);
+        assertTrue ("number (.) broken up",sniptxt.contains("1.83"));
+        assertTrue ("number (,) broken up",sniptxt.contains("3,14"));
     }
 }