diff --git a/testdata/testinput4 b/testdata/testinput4
index 464d798..ce9145d 100644
--- a/testdata/testinput4
+++ b/testdata/testinput4
@@ -2272,4 +2272,14 @@
     gg
     \x{37e}
 
+/[^[:^ascii:]\d]/utf,ucp
+    a
+    ~
+    \a
+    \x{7f}
+\= Expect no match
+    0
+    \x{389}
+    \x{20ac}
+
 # End of testinput4
diff --git a/testdata/testoutput4 b/testdata/testoutput4
index 9504c5e..701d411 100644
--- a/testdata/testoutput4
+++ b/testdata/testoutput4
@@ -3686,4 +3686,21 @@ No match
     \x{37e}
 No match
 
+/[^[:^ascii:]\d]/utf,ucp
+    a
+ 0: a
+    ~
+ 0: ~
+    \a
+ 0: \x{07}
+    \x{7f}
+ 0: \x{7f}
+\= Expect no match
+    0
+No match
+    \x{389}
+No match
+    \x{20ac}
+No match
+
 # End of testinput4