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string ptn = "[\u4e00-\u9fa5]+|[a-zA-Z\\s]+";
System.Text.RegularExpressions.Regex reg = new System.Text.RegularExpressions.Regex(ptn);
string z = "ÖйúChinaÎÒ°®ÄãI love you";
foreach (Match m in reg.Matches(z))
{
Console.WriteLine(m.Value);
}
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<html xmlns="http://www.w3.org/1999/xhtml">
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alert("ÇëÑ¡ÔñͼƬ");
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