1. public struct Strep
    2. {
    3.     public string Patstr { get; set; }
    4.     public string Repstr { get; set; }
    5. }
    6. public static string GetMTextRegstr(string input)
    7. {
    8.     string tXTstr = input;
    9.     List<Strep> replst = new List<Strep>()
    10.     {
    11.         new Strep(){Patstr= @"\\\\" ,Repstr=((char)1).ToString()},
    12.         new Strep(){Patstr= @"\\{" , Repstr=((char)2).ToString()},
    13.         new Strep(){Patstr= @"\\}" , Repstr=((char)3).ToString()},
    14.         new Strep(){Patstr= @"\\pi(.[^;]*);" , Repstr=""},
    15.         new Strep(){Patstr= @"\\pt(.[^;]*);" , Repstr=""},
    16.         new Strep(){Patstr= @"\\S(.[^;]*)(^|#|\\)(.[^;]*);" , Repstr=""},
    17.         new Strep(){Patstr= @"(\\F|\\f|\\C|\\H|\\T|\\Q|\\W|\\A)(.[^;]*);" , Repstr=""},
    18.         new Strep(){Patstr= @"(\\L|\\O|\\K|\\l|\\o)" , Repstr=""},
    19.         new Strep(){Patstr= @"\\~" , Repstr=""},
    20.         new Strep(){Patstr= @"\\pse1;" , Repstr=""},
    21.         new Strep(){Patstr= @"\\pql;" , Repstr=""},
    22.         new Strep(){Patstr= @"\\pqc;" , Repstr=""},
    23.         new Strep(){Patstr= @"\\pqr;" , Repstr=""},
    24.         new Strep(){Patstr= @"\\pxqc;" , Repstr=""},
    25.         new Strep(){Patstr= @"({|})" , Repstr=""},
    26.         new Strep(){Patstr= @"\x01" , Repstr=@"\\\\"},
    27.         new Strep(){Patstr= @"\x02" , Repstr="{"},
    28.         new Strep(){Patstr= @"\x03" , Repstr="}"}
    29.     };
    30.     foreach (Strep sr in replst)
    31.     {
    32.         tXTstr = Regex.Replace(tXTstr, sr.Patstr, sr.Repstr);
    33.     }
    34.     return tXTstr;
    35. }