正则表达式比较两个数字

2022-01-17 00:00:00 regex numbers compare javascript

我能以某种方式比较正则表达式中的两个数字吗?我想要对 10-12 正确但对 12-10 不正确的正则表达式.我的意思是 10 必须小于 12.我想用 Javascript 来做.

can i somehow compare two numbers in regex? i want regex that is correct for 10-12, but incorrect for 12-10. I mean that 10 must be smaller than 12. I want to do it in Javascript.

推荐答案

如果输入总是XY的形式，那为什么不使用split()函数以'-'作为分隔符，然后将两部分比较>

If the input is always of the form X-Y, then why not use the split() function with '-' as the delimiter and then compare the two parts with >

您不能使用 RegExps 比较数值.

You can't compare numerical values using RegExps.

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