1 files changed, 36 insertions, 0 deletions
diff --git a/tests/extmod/re_namedclass.py b/tests/extmod/re_namedclass.py
new file mode 100644
index 000000000..442172f4a
--- /dev/null
+++ b/tests/extmod/re_namedclass.py
@@ -0,0 +1,36 @@
+# test named char classes
+
+try:
+    import re
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+
+def print_groups(match):
+    print("----")
+    try:
+        i = 0
+        while True:
+            print(match.group(i))
+            i += 1
+    except IndexError:
+        pass
+
+
+m = re.match(r"\w+", "1234hello567 abc")
+print_groups(m)
+
+m = re.match(r"(\w+)\s+(\w+)", "ABC \t1234hello567 abc")
+print_groups(m)
+
+m = re.match(r"(\S+)\s+(\D+)", "ABC \thello abc567 abc")
+print_groups(m)
+
+m = re.match(r"(([0-9]*)([a-z]*)\d*)", "1234hello567")
+print_groups(m)
+
+# named class within a class set
+print_groups(re.match("([^\s]+)\s*([^\s]+)", "1 23"))
+print_groups(re.match("([\s\d]+)([\W]+)", "1  2-+="))
+print_groups(re.match("([\W]+)([^\W]+)([^\S]+)([^\D]+)", " a_1 23"))