[冷知识] 连字符-减号-横杠的区别 difference between hyphen-minus-dash时间:2022-08-29 16:49:26 因为早期打印机等宽的原因, 连字符和减号都是 -, 叫做hyphen-minus ,对应Unicode: U+002D(ASCII也是). 现在减号可以是:U+2212, 但编程语言中还是习惯使用U+002D来表示减号和减法.