Hex Unescape - CSharp System

CSharp examples for System:Hex

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Description

Hex Unescape

Demo Code

// Licensed under the same terms of ServiceStack: new BSD license.
using System.Text;
using System.Linq;
using System.Collections.Generic;
using System;/*w ww.j  a  va 2s. c  o m*/

public class Main{
        public static string HexUnescape(this string text, params char[] anyCharOf)
		{
			if (string.IsNullOrEmpty(text)) return null;
			if (anyCharOf == null || anyCharOf.Length == 0) return text;

			var sb = new StringBuilder();

			var textLength = text.Length;
			for (var i=0; i < textLength; i++)
			{
				var c = text.Substring(i, 1);
				if (c == "%")
				{
					var hexNo = Convert.ToInt32(text.Substring(i + 1, 2), 16);
					sb.Append((char)hexNo);
					i += 2;
				}
				else
				{
					sb.Append(c);
				}
			}

			return sb.ToString();
		}
}

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