1 files changed, 10 insertions, 1 deletions
diff --git a/tests/stdlib/tpegs.nim b/tests/stdlib/tpegs.nim
index ab2a6d395..a6079d47c 100644
--- a/tests/stdlib/tpegs.nim
+++ b/tests/stdlib/tpegs.nim
@@ -328,7 +328,16 @@ call()
       doAssert program.len == program.rawMatch(grammar, 0, c)
       doAssert c.ml == 1
 
+    block:
+      # bug #21632
+
+      let p = peg"""
+        atext <- \w / \d
+      """
+
+      doAssert "a".match(p)
+      doAssert "1".match(p)
+
   pegsTest()
   static:
     pegsTest()
-