Change Alphanumeric Username Only To Allow Period & Underscore On My Website Sign-Up

I am expert in laravel framework, php, wordpress, mysql, sql, javascript, bootstrap, css3 and html5. I am confident to develop large scale web application.I am also confident to fix any kind of bugs on website. [login to view URL] Thanks Chitano skype: [login to view URL]

Can help... I am an Expert... Lets Start! Please start a Discussion with me and we can get started from there... Please check the past projects I have handled and check my reviews for what employers have to say about my work... Can start right now...

Hello, I am a senior developer for more than 10 years of working experience.I have satisfied clients in 10 countries now. I am proficient in following technologies: my skills: 1. Lenguajes - PHP. 2. CMS - Wordpress, Magento, Joomla, VirtueMart, WooCommerce , Drupal, Opencart, Odoo, JomSocial osCommerce y Prestashop . 3. Database - MySQL, SQL, PostgreSQL, MsSQL, MongoDB Oracle and SQLite. 4. Control de Versiones Git, SVN 5. Javascript/ Web Toolkit 6. Framework PHP Zend, Laravel and Javascript Angular 7. Web Framework Bootstrap, Jquery I am ready to be hired by you for your jobs today.

I am having 8+ years of experience in designing and developing corporate websites and web applications. I have designed & developed a wide range of website using PHP mysql, wordpress, joomla, magento HTML, CSS, jQuery, JavaScript, Bootstrap, WordPress & Website design,  PSD to HTML, My SQL. Regards! satyajeet

Hi I am interested in this project, I am ready to work on this task since now, please come on pm for more detail. Have you a nice day

A proposal has not yet been provided

Sounds like a rather easy PHP problem which can be solved within a few hours at most. Let's do this! ;)

validation can be discuss if it needs to applied in back end or front end, I'm a CSE grad and have the exact knowledge of programming & regex what you need. I wrote 2 days as one for implementation and one for testing, thou it can be implemented in few hours.