HV-2057 Sonar: Address possible property path regex backtracking problem

Author: marko-bekhta

engine/src/main/java/org/hibernate/validator/internal/engine/path/PathImpl.java

@@ -41,11 +41,11 @@ public final class PathImpl implements Path, Serializable {
 	 *
 	 * @see <a href="http://www.regexplanet.com/simple/index.jsp">Regular expression tester</a>
 	 */
-	private static final String LEADING_PROPERTY_GROUP = "[^\\[\\.]+"; // everything up to a [ or .
-	private static final String OPTIONAL_INDEX_GROUP = "\\[(\\w*)\\]";
-	private static final String REMAINING_PROPERTY_STRING = "\\.(.*)"; // processed recursively
+	private static final String LEADING_PROPERTY_GROUP = "[^\\[\\.]++"; // everything up to a [ or .
+	private static final String OPTIONAL_INDEX_GROUP = "\\[(\\w*+)\\]";
+	private static final String REMAINING_PROPERTY_STRING = "\\.(.++)"; // processed recursively
 
-	private static final Pattern PATH_PATTERN = Pattern.compile( "(" + LEADING_PROPERTY_GROUP + ")(" + OPTIONAL_INDEX_GROUP + ")?(" + REMAINING_PROPERTY_STRING + ")*" );
+	private static final Pattern PATH_PATTERN = Pattern.compile( "(" + LEADING_PROPERTY_GROUP + ")(" + OPTIONAL_INDEX_GROUP + ")?(" + REMAINING_PROPERTY_STRING + ")*+" );
 	private static final int PROPERTY_NAME_GROUP = 1;
 	private static final int INDEXED_GROUP = 2;
 	private static final int INDEX_GROUP = 3;