From 018b4fece437af9600eda111ffbf4bffef243b7b Mon Sep 17 00:00:00 2001
From: Anders Kaseorg <anders@zulip.com>
Date: Wed, 29 Jul 2020 13:51:19 -0700
Subject: [PATCH] typeahead_helper: Use _.escapeRegExp in
 build_highlight_regex.

Signed-off-by: Anders Kaseorg <anders@zulip.com>
---
 static/js/typeahead_helper.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/static/js/typeahead_helper.js b/static/js/typeahead_helper.js
index 6d29acf065..a4019933ea 100644
--- a/static/js/typeahead_helper.js
+++ b/static/js/typeahead_helper.js
@@ -1,4 +1,5 @@
 const Handlebars = require("handlebars/runtime");
+const _ = require("lodash");
 
 const pygments_data = require("../generated/pygments_data.json");
 const emoji = require("../shared/js/emoji");
@@ -17,9 +18,7 @@ exports.get_cleaned_pm_recipients = function (query_string) {
 };
 
 exports.build_highlight_regex = function (query) {
-    // the regex below is based on bootstrap code
-    query = query.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
-    const regex = new RegExp("(" + query + ")", "ig");
+    const regex = new RegExp("(" + _.escapeRegExp(query) + ")", "ig");
     return regex;
 };