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/// <summary>
/// ¶ÔÓÚµ¥ÒýºÅ¶øÑÔ£¬ÈôÇ°ÃæÓÐżÊý¸ö·´Ð±¸ÜÔòÒì³££¬ÆæÊý¸ö·´Ð±¸ÜÔòÕý³£
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
private string ReplaceQuote(string input)
{
string pattern = @"(?:\\)*(?=['])";
return Regex.Replace(input, pattern, new MatchEvaluator(ReplaceText));
}
// Æ¥ÅäÏî
public string ReplaceText(Match m)
{
string str = m.Value;
if (str.Length == 0)
{
// Ö»Óе¥ÒýºÅ£¬ÔòתÒå¸Ãµ¥ÒýºÅ
return str + @"\";
}
else if(str.Length == 1)
{
// 1¸ö·´Ð±¸Ü¼ÓÒ»¸öµ¥ÒýºÅ£¬Ôò²»Ìæ»»
return string.Empty;
}
// ¶ÔÓÚ´óÓÚ2¸ö³¤¶ÈµÄ·´Ð±¸Ü£¬Ôò·µ»ØÔÀ´µÄ2±¶
// ¼´ ʹ°Ñÿ¸ö·´Ð±¸Ü¶¼×ªÒåÁË¡£
return new string('\\', 2 * str.Length);
}
protected void Page_Load(object sender, EventArgs e)
{
// ²âÊÔ´úÂë
string strText = @"'a\'b\\'c\\\'d\\\\'";
System.Diagnostics.Stopwatch swt = new System.Diagnostics.Stopwatch();
swt.Start();
strText = ReplaceQuote(strText);
swt.Stop();
Response.Write("Ìæ»»Ê¹ÓÃÁ˺ÁÃëÊý£º" + swt.ElapsedMilliseconds.ToString());
string strAlert = string.Format("alert('{0}')", strText);
ClientScript.RegisterStartupScript(this.GetType(), "alert", strAlert, true);
}
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