diff --git a/static/js/copy_and_paste.js b/static/js/copy_and_paste.js
index 649ee2d1d3..2c3e55f616 100644
--- a/static/js/copy_and_paste.js
+++ b/static/js/copy_and_paste.js
@@ -318,7 +318,7 @@ exports.paste_handler = function (event) {
         if (paste_html && page_params.development_environment) {
             const text = exports.paste_handler_converter(paste_html);
             const mdImageRegex = /^!\[.*]\(.*\)$/;
-            if (text.match(mdImageRegex)) {
+            if (mdImageRegex.test(text)) {
                 // This block catches cases where we are pasting an
                 // image into Zulip, which is handled by upload.js.
                 return;
diff --git a/static/js/typeahead_helper.js b/static/js/typeahead_helper.js
index d51e4f1e7c..0569157187 100644
--- a/static/js/typeahead_helper.js
+++ b/static/js/typeahead_helper.js
@@ -37,7 +37,7 @@ exports.highlight_with_escaping_and_regex = function (regex, item) {
     let result = "";
 
     for (const piece of pieces) {
-        if (piece.match(regex)) {
+        if (regex.test(piece)) {
             result += "<strong>" + Handlebars.Utils.escapeExpression(piece) + "</strong>";
         } else {
             result += Handlebars.Utils.escapeExpression(piece);