/^(([1-9](\.\d{2})?)|10|10.0)$/.test() 验证最多2位小数 /^(([1-9]{1}\d*)|(0{1}))(\.\d{1,2})?$/.test(str) 相关文章: 2022-12-23 2022-12-23 2021-11-07 2021-05-25 2022-12-23 2022-12-23 2022-12-23 2022-12-23