c#同时验证手机号和座机号正则

                            string strPatern2= @"(^(\d{3,4}-)?\d{6,8}$)";
                            string strPatern = @"(^1[3-8]\d{9}$|^\d{3}-\d{8}$|^\d{4}-\d{7}$)";
                            System.Text.RegularExpressions.Regex reg = new System.Text.RegularExpressions.Regex(strPatern);
                            System.Text.RegularExpressions.Regex reg2 = new System.Text.RegularExpressions.Regex(strPatern2);
                            if (reg.IsMatch(ConsigneeMobile) || reg2.IsMatch(ConsigneeMobile))
                            {

                            }
                            else
                            {
                                ErrorMsg += "电话格式不正确";
                            }
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           if (!row["收件人电话"]) {
            this.setMsg(`${i}、第${i + }收件人电话不能为空`, "red");
          } else {
          let strPatern = /^\d{}$/gi;
          var re = new RegExp(strPatern);
          var strPatern2 = /^((\d{,}-\d{,})|([]\d{}))$/;
          var st = new RegExp(strPatern2);
          if (!re.test(consigneeMobile) && !st.test(consigneeMobile)) {
            // msg = `${i}、电话格式不正确`;
            // redis.rpush(body.key, msg);
            // this.info.result = false;
            this.setMsg(`${i}、第${i + }电话格式不正确`, "red");
          }
        }