Document that regular expressions search may not be enabled
Release-Notes: skip
Google-Bug-Id: b/274816891
Change-Id: I80cb37b34b535adeaf3671cf32f8390d3bc89149
diff --git a/Documentation/user-search.txt b/Documentation/user-search.txt
index 44921ad..4293fd6 100644
--- a/Documentation/user-search.txt
+++ b/Documentation/user-search.txt
@@ -377,6 +377,10 @@
The link:http://www.brics.dk/automaton/[dk.brics.automaton library,role=external,window=_blank]
is used for the evaluation of such patterns.
+
+Note that the Gerrit host may not support regular expression search.
+You will then see an error dialog when using expressions starting with
+`^`.
++
The `^` required at the beginning of the regular expression not only
denotes a regular expression, but it also has the usual meaning of
anchoring the match to the start of the string. To match all Java
