Modified user search to include whole word search

services/regex.js

@@ -0,0 +1,10 @@
+/**
+ * Escape string for special regular expression characters.
+ */
+function escapeRegExp(string) {
+  return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string
+}
+
+module.exports = {
+  escapeRegExp,
+};