1 files changed, 27 insertions, 0 deletions
diff --git a/ext/ply/test/lex_re2.py b/ext/ply/test/lex_re2.py
new file mode 100644
index 000000000..522b41592
--- /dev/null
+++ b/ext/ply/test/lex_re2.py
@@ -0,0 +1,27 @@
+# lex_token.py
+#
+# Regular expression rule matches empty string
+
+import sys
+sys.path.insert(0,"..")
+
+import ply.lex as lex
+
+tokens = [
+    "PLUS",
+    "MINUS",
+    "NUMBER",
+    ]
+
+t_PLUS = r'\+?'
+t_MINUS = r'-'
+t_NUMBER = r'(\d+)'
+
+def t_error(t):
+    pass
+
+import sys
+
+lex.lex()
+
+