multiple pages: normalize regular expression instead of regex, regexp or pattern (#5830)

pages/linux/inotifywait.md

@@ -16,7 +16,7 @@
 
 - Exclude files matching a regular expression:
 
-`while inotifywait --recursive {{path/to/directory}} --exlude '{{regex}}'; do {{command}}; done`
+`while inotifywait --recursive {{path/to/directory}} --exlude '{{regular_expression}}'; do {{command}}; done`
 
 - Wait at most 30 seconds: