Pterodactyl-Panel/database/migrations/2015_12_10_223449_allow_null_regex.php

<?php

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class AllowNullRegex extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::table('service_variables', function (Blueprint $table) {
            $table->string('regex')->nullable()->change();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        DB::statement('ALTER TABLE `service_variables` MODIFY `regex` VARCHAR(255) NOT NULL');
    }
}