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分享 string tempStr = File.ReadAllText(@"C:\Users\M\Desktop\Test.txt", Encoding.GetEncoding("GB2312"));
string pattern = @"(?i)(?>((['""])[^\u0020]+))?[\u0020]+";
tempStr = Regex.Replace(tempStr, pattern, m => {
if (string.IsNullOrEmpty(m.Groups[1].Value))
return "\t";
else
return m.Value;
});