Get used chars : String Util « Data Types « C# / C Sharp






  1. C# / C Sharp
  2. Data Types
  3. String Util

Get used chars

    

//The MIT License (MIT)
//http://arolibraries.codeplex.com/license
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;

namespace AroLibraries.ExtensionMethods.Strings
{
    public static class StringExt
    {

        public static IList<char> Ext_GetUsedChars(this string iString)
        {
            IList<char> vList = new List<char>();
            for (int i = 0; i < iString.Length; i++)
            {
                char vChar = iString[i];
                char cCharLower = Char.ToLower(vChar);
                if (!vList.Contains(cCharLower) && Char.IsLetter(cCharLower))
                {
                    vList.Add(cCharLower);
                }
            }
            return vList;
        }
    }
}








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