Mega Code Archive
Strips all illegal characters from the specified title
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using System;
using System.IO;
using System.Net.Mail;
using System.Collections.Generic;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
using System.Configuration;
using System.Globalization;
using System.Web;
using System.Web.Configuration;
using System.Threading;
using System.Reflection;
using System.Collections;
using System.Xml;
using System.Net;
using System.Web.Caching;
namespace BlogEngine.Core
{
/// <summary>
/// Utilities for the entire solution to use.
/// </summary>
public static class Utils
{
/// <summary>
/// Strips all illegal characters from the specified title.
/// </summary>
public static string RemoveIllegalCharacters(string text)
{
if (string.IsNullOrEmpty(text))
return text;
text = text.Replace(":", string.Empty);
text = text.Replace("/", string.Empty);
text = text.Replace("?", string.Empty);
text = text.Replace("#", string.Empty);
text = text.Replace("[", string.Empty);
text = text.Replace("]", string.Empty);
text = text.Replace("@", string.Empty);
text = text.Replace(".", string.Empty);
text = text.Replace(",", string.Empty);
text = text.Replace("\"", string.Empty);
text = text.Replace("&", string.Empty);
text = text.Replace("'", string.Empty);
text = text.Replace(" ", "-");
text = RemoveDiacritics(text);
text = RemoveExtraHyphen(text);
return HttpUtility.UrlEncode(text).Replace("%", string.Empty);
}
private static string RemoveExtraHyphen(string text)
{
if (text.Contains("--"))
{
text = text.Replace("--", "-");
return RemoveExtraHyphen(text);
}
return text;
}
private static String RemoveDiacritics(string text)
{
String normalized = text.Normalize(NormalizationForm.FormD);
StringBuilder sb = new StringBuilder();
for (int i = 0; i < normalized.Length; i++)
{
Char c = normalized[i];
if (CharUnicodeInfo.GetUnicodeCategory(c) != UnicodeCategory.NonSpacingMark)
sb.Append(c);
}
return sb.ToString();
}
}
}
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