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Free Plugin by Benaceur v5.0.3

Restrict Usernames Emails Characters

Restrict the usernames, email addresses, characters and symbols or email from specific domain names or language in registration ...

Restrict Usernames Emails Characters

The facts

Rating
4.5★ from 25
Active installs
1k+
Price
Free
Last updated
13 Jul 2026
Added
Sep 2016
Requires WP
3.0
Tested up to
WP 7.0.4
Requires PHP
5.4
Downloads
45,882

Our analysis

AI-assisted

Restrict Usernames Emails Characters is a WordPress plugin that allows you to control the usernames and email addresses used during user registration on your site. You can restrict specific usernames, email domains, and symbols, as well as manage language settings for usernames. The plugin also enables you to customise error messages and author slugs from the admin panel.

This plugin is suitable for site administrators who want to enforce specific registration criteria to enhance security and prevent spam. It supports single sites, multi-site networks, BuddyPress, and BuddyBoss, making it versatile for various WordPress setups.

Best for: This plugin suits WordPress site administrators looking to manage user registration criteria.

What it does well

  • Allows restriction of specific usernames and email addresses
  • Customisable error messages for user registration
  • Supports multiple languages for usernames
  • Compatible with multi-site and BuddyPress
  • Offers options to control username character usage

Where it falls short

  • Limited information available about advanced features
  • No details on support or documentation beyond the direct support page

Verdict

Restrict Usernames Emails Characters provides useful features for controlling user registration, though details on support and advanced functionalities are limited.

From the developer

Benaceur's own description of Restrict Usernames Emails Characters, lightly tidied.

This plugin allows you to Restrict a particular or certain username, email addresses or symbols,
or email from specific domain names in the form registration when registering for your site
and you can allow to use a certain language (arabic cyrillic latin …)
or all languages and characters and symbols, you can also control and modify all errors messages
and allow certain characters (Symbols and characters accented as é û),
and allowing you to change the author slug (defaults to the username of the author),
and you can control and adjust all settings from the plugin settings page in admin Panel.

and here is all plugin settings in admin Panel:

  • enable/disable the plugin
  • disallow to use the spaces in username
  • disallow to use only numbers in username
  • disallow all characters (Symbols) in username
  • disallow characters (Symbols) permitted by wordpress in username: @ – . _
  • allow certain characters (Symbols and characters accented as é û)
  • restrict certain email addresses
  • restrict certain username
  • restrict certain domain names for example: yournamesite@com
  • No/yes uppercase in username
  • Compatible with single site, network (multi-site), buddypress and buddyboss.
  • The possibility to:
  • choose language (characters) in username (arabic cyrillic latin …) or all languages
  • remove all settings and data of the plugin from database when the plugin is disabled
  • reset default settings
  • control and modify all errors messages
  • restrict any name contains a part of word (partial matching)
  • prevent the use of email in the username
  • prevent the use of numbers more than letters and symbols in the user name.
  • allowing you to change the author slug
  • Author Slug Structure
  • Update of the author’s slug for all users
  • Limit the number of users to update (in batches) with every click, if your database is big
  • Update or convert only names (author slug) not latin
  • remove name field in buddypress.
  • hide or change message (Must be at least 4 characters, letters and numbers only.) of multisite.
  • add an notice or text in registration form.
  • etc…

Translated in following languages:

  • Arabic
  • English

Direct support page:

https://benaceur-php.com/?p=2268

Read the full description on the official page →

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