--- a/tests/test-clone-stream-format.t	Mon Jun 26 11:15:30 2023 +0100
+++ b/tests/test-clone-stream-format.t	Mon Jun 26 14:34:58 2023 +0200
@@ -245,7 +245,7 @@
 
   $ hg clone --quiet --stream -U http://localhost:$HGPORT clone-from-share
   $ hg -R clone-from-share verify -q
-  $ hg debugrequires -R clone-from-share | egrep 'share$'
+  $ hg debugrequires -R clone-from-share | grep -E 'share$'
   [1]
 
   $ killdaemons.py