show regexp groups, handy for debugging

diff --git a/src/main/java/eu/svjatoslav/commons/string/tokenizer/TokenizerMatch.java b/src/main/java/eu/svjatoslav/commons/string/tokenizer/TokenizerMatch.java
index ebe5175..cd07ec9 100755 (executable)
--- a/src/main/java/eu/svjatoslav/commons/string/tokenizer/TokenizerMatch.java
+++ b/src/main/java/eu/svjatoslav/commons/string/tokenizer/TokenizerMatch.java
@@ -50,10 +50,19 @@ public class TokenizerMatch {
 
     @Override
     public String toString() {
-        return "TokenizerMatch{" +
-                "token='" + token + '\'' +
-                ", terminator=" + terminator +
-                '}';
+        StringBuilder result = new StringBuilder();
+        result.append("TokenizerMatch\n" +
+                "  token='" + token + "'\n" +
+                "  terminator=" + terminator + "\n" +
+                "  groups:\n");
+
+        int i = 0;
+        for (String s : getRegExpGroups()) {
+            result.append("    " + i + ": " + s + "\n");
+            i++;
+        }
+
+        return result.toString();
     }
 
     public Tokenizer getTokenizer() {