Username Rule

public Intervention\Validation\Rules\Username::__construct()

The field under validation must be a valid username consisting of alphanumeric characters, underscores, and hyphens, starting with an alphabetic character. Multiple consecutive underscores and hyphens are not allowed. Underscores and hyphens are not allowed at the beginning or end.

Parameters

none

Example

use Illuminate\Support\Facades\Validator;
use Intervention\Validation\Rules\Username;

$validator = Validator::make($request->all(), [
    'attribute-key' => new Username(),
]);