1 files changed, 30 insertions, 0 deletions
diff --git a/tests/extmod/re_groups.py b/tests/extmod/re_groups.py
new file mode 100644
index 000000000..840a4b1af
--- /dev/null
+++ b/tests/extmod/re_groups.py
@@ -0,0 +1,30 @@
+# test match.groups()
+
+try:
+    import re
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+try:
+    m = re.match(".", "a")
+    m.groups
+except AttributeError:
+    print("SKIP")
+    raise SystemExit
+
+
+m = re.match(r"(([0-9]*)([a-z]*)[0-9]*)", "1234hello567")
+print(m.groups())
+
+m = re.match(r"([0-9]*)(([a-z]*)([0-9]*))", "1234hello567")
+print(m.groups())
+
+# optional group that matches
+print(re.match(r"(a)?b(c)", "abc").groups())
+
+# optional group that doesn't match
+print(re.match(r"(a)?b(c)", "bc").groups())
+
+# only a single match
+print(re.match(r"abc", "abc").groups())