Username pattern in codeigniter
In codeigniter when we make registration form in username field it accepts characters like {*)&(%^%()_}  that i have to stop so i have defined pattern like 		                
$this->form_validation->set_rules('user_name', 'User Name', 'trim|required|min_length[4]|xss_clean');


Username pattern in codeigniter
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In codeigniter when we make registration form in username field it accepts characters like {*)&(%^%()_}  that i have to stop so i have defined pattern like 		                
$this->form_validation->set_rules('user_name', 'User Name', 'trim|required|min_length[4]|xss_clean');

