匹配“汉字tab键数字”的正则

　　　　string pattern = @"[\u4e00-\u9fa5]+\s+\d+";
            if (!Regex.IsMatch(toSave, pattern))
            {
                this.toolStripText.Visible = true;
                this.toolStripText.Text = string.Format("字符串格式不符合标准");
                this.txt_Edit.Focus();
            }