原文发布时间为：2012-02-17 —— 来源于本人的百度文章 [由搬家工具导入]

using System;

using System.Collections.Generic;

using System.Text;

using System.Text.RegularExpressions;

using  System.Globalization;

 static string RemoveDiacritics(string stIn) {

  string stFormD = stIn.Normalize(NormalizationForm.FormD);

  StringBuilder sb = new StringBuilder();

  for(int ich = 0; ich < stFormD.Length; ich++) {

    UnicodeCategory uc = CharUnicodeInfo.GetUnicodeCategory(stFormD[ich]);

    if(uc != UnicodeCategory.NonSpacingMark) {

      sb.Append(stFormD[ich]);

    }

  }

  return(sb.ToString().Normalize(NormalizationForm.FormC));