Get file extension : File Name « File Stream « C# / C Sharp

Get file extension


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

public static class Utility
    public static string GetClearExtension(string filePath)
        return String.IsNullOrEmpty(filePath)
            ? null
            : Path.GetExtension(filePath).Substring(1).ToLower();


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