1-999整数 reg = /(^[1-9]\d{0,2}$)/ 或者: reg = /^[1-9][0-9]{0,2}$/ 正整数: reg = /^[1-9]\d*$/ 数字: reg = /^\d+$/ 非空白字符: reg = /\S/ 相关文章: 2022-12-23 2022-12-23 2021-07-20 2022-12-23 2022-12-23 2022-12-23 2021-08-28 2022-01-25