--- bash_completion.d/clush.orig	2026-07-16 22:06:42 UTC
+++ bash_completion.d/clush
@@ -140,7 +140,7 @@ _clush()
 		case "$cur" in
 		-*)
 			# starts with dash - get all options from help text...
-			options="$(clush --help | grep -oP -- '(?<=[ \t])(-[a-z]|--[^= \t]*)')"
+			options=$(clush --help | grep -Eo -- '[[:space:]](-[a-z]|--[^=[:space:]]*)' | sed 's/^[[:space:]]//')
 			;;
 		*)
 			# otherwise complete command or file if appropriate and stop here