Modified user search to include whole word search

services/users.js

@@ -24,6 +24,7 @@ const ActionsService = require('./actions');
 const MailerService = require('./mailer');
 const Wordlist = require('./wordlist');
 const Domainlist = require('./domainlist');
+const {escapeRegExp} = require('./regex');
 
 const EMAIL_CONFIRM_JWT_SUBJECT = 'email_confirm';
 const PASSWORD_RESET_JWT_SUBJECT = 'password_reset';
@@ -630,14 +631,19 @@ module.exports = class UsersService {
    * @return {Promise}
    */
   static search(value) {
+    if (!value || typeof value !== 'string' || value.length === 0) {
+      return UserModel.find({});
+    }
+
+    value = escapeRegExp(value);
+
     return UserModel.find({
       $or: [
 
         // Search by a prefix match on the username.
         {
-          'username': {
-            $regex: new RegExp(`^${value}`),
-            $options: 'i'
+          'lowercaseUsername': {
+            $regex: new RegExp(value.toLowerCase())
           }
         },
 
@@ -646,7 +652,7 @@ module.exports = class UsersService {
           'profiles': {
             $elemMatch: {
               id: {
-                $regex: new RegExp(`^${value}`),
+                $regex: new RegExp(value),
                 $options: 'i'
               },
               provider: 'local'