diff --git a/src/main/antlr/poliqarpplus/PoliqarpPlusLexer.g4 b/src/main/antlr/poliqarpplus/PoliqarpPlusLexer.g4
index d911511..81dbec7 100644
--- a/src/main/antlr/poliqarpplus/PoliqarpPlusLexer.g4
+++ b/src/main/antlr/poliqarpplus/PoliqarpPlusLexer.g4
@@ -13,6 +13,9 @@
  -- author: Joachim Bingel
  -- date: 14-06-27
 
+ -- updated: 28-09-2018 (diewald) 
+
+
  Poliqarp Query Language lexer
 
  Language documentations:
@@ -104,9 +107,8 @@
 fragment RE_occ      : (RE_char | RE_chgroup | ( '(' RE_expr ')')) FOCC;
 fragment RE_group    : '(' RE_expr ')';
 fragment RE_expr     : ('.' | RE_char | RE_alter | RE_chgroup | RE_opt | RE_quant | RE_group)+;
-fragment RE_dquote   : '"'  (RE_expr | '\'' | ':' )* '"';
-// fragment RE_squote   : '\''  (RE_expr | '\"' | ':' )* '\'';
- 
+fragment RE_dquote   : ('"'|'„'|'“')  (RE_expr | '\'' | ':' )* ('"'|'“'|'”');
+
 REGEX             : RE_dquote;
 
 ESC_SQUOTE        : BACKSLASH SQUOTE;