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/// <summary>  
/// ¼ì²é×Ö·û´®ÖÐÊÇ·ñÓГËïȨ”Õâ¸öÃô¸Ð´Ê  
/// </summary>  
public void IsMatchDemo()  
{  
    string source = "Áõ±¸ABC¹ØÓðABcÕÅ·ÉAbcÕÔÔÆabcÖî¸ðÁÁaBCËïȨabCÖÜè¤AbC³ËàaBc²Ü²ÙÐíØü¹ù¼ÎÐè»ÎÔ¬ÉÜ";  
    Regex regex = new Regex("ËïȨ");  
    //if (Regex.IsMatch(source, "ËïȨ"))  
    //ÏÂÃæÕâ¾äºÍÉÏÃæ±»×¢Ê͵ôµÄÒ»¾ä×÷ÓõÄͬÑùµÄ  
    if (regex.IsMatch(source))  
    {  
        Console.WriteLine("×Ö·û´®Öаüº¬ÓÐÃô¸Ð´Ê:ËïȨ£¡");  
    } 
/// <summary>
/// ¼ì²é×Ö·û´®ÖÐÊÇ·ñÓГËïȨ”Õâ¸öÃô¸Ð´Ê
/// </summary>
public void IsMatchDemo()
{
    string source = "Áõ±¸ABC¹ØÓðABcÕÅ·ÉAbcÕÔÔÆabcÖî¸ðÁÁaBCËïȨabCÖÜè¤AbC³ËàaBc²Ü²ÙÐíØü¹ù¼ÎÐè»ÎÔ¬ÉÜ";
    Regex regex = new Regex("ËïȨ");
    //if (Regex.IsMatch(source, "ËïȨ"))
    //ÏÂÃæÕâ¾äºÍÉÏÃæ±»×¢Ê͵ôµÄÒ»¾ä×÷ÓõÄͬÑùµÄ
    if (regex.IsMatch(source))
    {
        Console.WriteLine("×Ö·û´®Öаüº¬ÓÐÃô¸Ð´Ê:ËïȨ£¡");
    }
 
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