public async Task <IActionResult> CreateHero(string username)
{
string pattern = @"^(?=[a-zA-Z0-9\s]{4,20}$)";
var rx = new Regex(pattern);
if (rx.IsMatch(username))
{
Hero hero = await _heroService.GetHeroByNameAsync(username);
if (hero == null)
{
hero = await _heroService.CreateHeroAsync(username);
return(await TokenAsync(username));
}
}
return(BadRequest(new { errorText = "Invalid username." }));
}