1 files changed, 22 insertions, 0 deletions
diff --git a/tests/extmod/ure_group.py b/tests/extmod/ure_group.py
new file mode 100644
index 0000000000..e402ce5759
--- /dev/null
+++ b/tests/extmod/ure_group.py
@@ -0,0 +1,22 @@
+# test groups, and nested groups
+
+try:
+    import ure as re
+except:
+    import re
+
+def print_groups(match):
+    print('----')
+    try:
+        i = 0
+        while True:
+            print(m.group(i))
+            i += 1
+    except IndexError:
+        pass
+
+m = re.match(r'(([0-9]*)([a-z]*)[0-9]*)','1234hello567')
+print_groups(m)
+
+m = re.match(r'([0-9]*)(([a-z]*)([0-9]*))','1234hello567')
+print_groups(m)