From 187d82582478e13f29adcd2094fbe2e632621337 Mon Sep 17 00:00:00 2001
From: Andreas Abel <andreas.abel@ifi.lmu.de>
Date: Sun, 15 Dec 2019 19:11:33 +0100
Subject: [PATCH] [ #256 #276 ] test case

---
 testing/regression-tests/256_Regex/good01.in  |  1 +
 testing/regression-tests/256_Regex/good01.out | 10 ++++++++++
 testing/regression-tests/256_Regex/test.cf    |  8 ++++++++
 3 files changed, 19 insertions(+)
 create mode 100644 testing/regression-tests/256_Regex/good01.in
 create mode 100644 testing/regression-tests/256_Regex/good01.out
 create mode 100644 testing/regression-tests/256_Regex/test.cf

diff --git a/testing/regression-tests/256_Regex/good01.in b/testing/regression-tests/256_Regex/good01.in
new file mode 100644
index 00000000..bec6f94c
--- /dev/null
+++ b/testing/regression-tests/256_Regex/good01.in
@@ -0,0 +1 @@
+[x:4] /\ 'funky+identifier-umlaute:äöüß//\%#FOO
\ No newline at end of file
diff --git a/testing/regression-tests/256_Regex/good01.out b/testing/regression-tests/256_Regex/good01.out
new file mode 100644
index 00000000..40a25313
--- /dev/null
+++ b/testing/regression-tests/256_Regex/good01.out
@@ -0,0 +1,10 @@
+
+Parse Successful!
+
+[Abstract Syntax]
+
+Start (Name "[x:4]") (Name "'funky+identifier-umlaute:\228\246\252\223//\\%#FOO")
+
+[Linearized tree]
+
+[x:4] /\ 'funky+identifier-umlaute:äöüß//\%#FOO
diff --git a/testing/regression-tests/256_Regex/test.cf b/testing/regression-tests/256_Regex/test.cf
new file mode 100644
index 00000000..f2d3c3fe
--- /dev/null
+++ b/testing/regression-tests/256_Regex/test.cf
@@ -0,0 +1,8 @@
+-- Issue #110: backslash in keyword
+
+Start. S ::= Name "/\\" Name;
+
+-- Issue #256: iterated difference
+-- Issue #276: whitespace characters in character class
+
+token Name (char - [ "(){};.@\"" ] - [ " \n\t" ]) + ;