Simplicity is more complicated than you think

///         /// 返回字符串在字符串中出现的次数        ///         /// 要检测出现的字符        /// 要检测的字符串        /// 出现次数 public static int GetCharInStringCount(string Char, string String)        {            string str =

///         /// 生成0-9随机数        ///         /// 生成长度        ///         public static string RndNum(int VcodeNum)        {            StringBuilder sb = new StringBuilder(VcodeNum);            Random

目标匹配类似于：abc_def_gh转化结果为：AbcDefGh using System.Text.RegularExpressionsstatic   string   CapText(Match   m)            {                //   Get   the   matched   string.                st