"budgets": [
  {
    "type": "anyComponentStyle",
    "maximumWarning": "6kb",
    "maximumError": "10kb"
  }

Ingredient[] ingredients =
{
   new Ingredient{Name = "Sugar", Calories=500},
   new Ingredient{Name = "Lard", Calories=500},
   new Ingredient{Name = "Butter", Calories=500},
   new Ingredient{Name = "Egg", Calories=100},
   new Ingredient{Name = "Milk", Calories=100},
   new Ingredient{Name = "Flour", Calories=50},
   new Ingredient{Name = "Oats", Calories=50}
};

IEnumerable<IGrouping<int, Ingredient>> query =
from i in ingredients
group i by i.Calories;

foreach (IGrouping<int, Ingredient> group in query)
{
   Console.WriteLine($"Ingredients with {group.Key} calories");
   foreach (Ingredient ingredient in group)
   {
      Console.WriteLine($"- { ingredient.Name}");
   }
}

IOrderedEnumerable<Ingredient> sortedByNameQuery =
from i in ingredients
orderby i.Name
select i;

foreach (var ingredient in sortedByNameQuery)
{
   Console.WriteLine(ingredient.Name);
}

 Ingredient[] ingredients =
{
   new Ingredient{Name = "Sugar", Calories=500},
   new Ingredient{Name = "Lard", Calories=500},
   new Ingredient{Name = "Butter", Calories=500},
   new Ingredient{Name = "Egg", Calories=100},
   new Ingredient{Name = "Milk", Calories=100},
   new Ingredient{Name = "Flour", Calories=50},
   new Ingredient{Name = "Oats", Calories=50}
};

IEnumerable<IGrouping<int, Ingredient>> query =
from i in ingredients
group i by i.Calories
into calorieGroup
orderby calorieGroup.Key
select calorieGroup;

foreach (IGrouping<int, Ingredient> group in query)
{
   Console.WriteLine($"Ingredients with {group.Key} calories");
   foreach (Ingredient ingredient in group)
   {
     Console.WriteLine($"- { ingredient.Name}");
   }
}

 [HttpGet("[action]")]
 public async Task<IActionResult> UsersList()
 {
    var users =  await _dbContext.Users.AsNoTracking().ToListAsync();
    return Ok(users);
 }

 [HttpGet("[action]")]
 public async Task<IActionResult> UsersList(GridifyQuery filter)
 {
    var users =  await _dbContext.Users.AsNoTracking().GridifyAsync(filter);
    return Ok(users);
 }

var result = Users.AsQueryable().ApplyFiltering("name==Ali");

var result = Users.AsQueryable().Where(q => q.Name == "Ali");

using System.IO;
using System.Text.RegularExpressions;
using System.Text;

class CRegEx
{
   /// <summary>
   /// استخراج ایمیل‌های یک فایل متنی و ذخیره آن در فایلی جدید
   /// </summary>
   /// <param name="inFilePath">فایل ورودی</param>
   /// <param name="outFilePath">فایل خروجی</param>
   public static void ExtractEmails(string inFilePath, string outFilePath)
   {
       string data = File.ReadAllText(inFilePath); //خواندن فایل متنی
       //ایجاد شیء عبارت با قاعده بر اساس الگوی تشخیص ایمیل‌ها
       Regex emailRegex = new Regex(@"\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*",
           RegexOptions.IgnoreCase);
       //پیدا کردن گروه تطابق یافته با الگوی ما
       MatchCollection emailMatches = emailRegex.Matches(data);
       //ایجاد شیء استرینگ بیلدر برای ذخیره سازی سریع اطلاعات دریافتی
       StringBuilder sb = new StringBuilder();
       //ذخیره ایمیل‌های استخراج شده
       foreach (Match emailMatch in emailMatches)
       {
           sb.AppendLine(emailMatch.Value);
       }
       //ذخیره کردن اطلاعات استخراج شده در فایلی جدید
       File.WriteAllText(outFilePath, sb.ToString());
   }
}