Parser: Pipes are no longer welcomed inside regex dict element selection.

Issue #1591

Author: Felipe Zimmerle

CHANGES

@@ -2,6 +2,8 @@
 v3.0.????? - ?
 ---------------------------
 
+ - Parser: Pipes are no longer welcomed inside regex dict element selection.
+   [Issue #1591 - @zimmerle, @slabber]
  - Avoids unicode initialization on every rules object
    [Issue #1563 - @zimmerle, @Tiki-God, @sethinsd, @Cloaked9000, @AnoopAlias,
                   @intelbg]

Makefile.am

@@ -104,6 +104,7 @@ TESTS+=test/test-cases/regression/operator-rx.json
 TESTS+=test/test-cases/regression/variable-ARGS.json
 TESTS+=test/test-cases/regression/issue-394.json
 TESTS+=test/test-cases/regression/issue-1565.json
+TESTS+=test/test-cases/regression/issue-1591.json
 TESTS+=test/test-cases/regression/variable-TIME_MON.json
 TESTS+=test/test-cases/regression/misc.json
 TESTS+=test/test-cases/regression/collection-regular_expression_selection.json