文本过滤

Posted 2021-12-22 weigetadie

 string str = wgtextBox.Text;
            string lsStr = "";
            if (string.IsNullOrEmpty(str))
                return;
            foreach (char c in str)
            
                if (!char.IsDigit(c) && c != ‘-‘)
                
                    continue;
                
                lsStr += char.ToString(c);
            
            for (int i = 0; i < lsStr.Length; i++)
            
                string c = lsStr.Substring(i, 1);
                if ((c == "-" && i != 4) && (i != 7 && c == "-"))
                
                    Console.WriteLine(i);
                    lsStr = lsStr.Remove(i, 1);
                    i --;
                    continue;
                
            
            wgtextBox2.Text = lsStr;

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