十进制数验证 [英] validation for decimal numbers
本文介绍了十进制数验证的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我的MVC项目中有一个名为Scheme的模型。在那个模型中我有一个字段Period。这是一个十进制值。我想验证这个字段,如果在deciml点之后的值应该在范围内(1,13)。
我该怎么办呢
请帮助我
Hi,
I have a model named Scheme in my MVC Project. in that model i have a field "Period". that is a decimal value. i want to validate this field like, the value after the deciml point should be in the range (1,13).
how can i do that
please help me
推荐答案
你没有说清楚这一点,但似乎你正在对此十进制 值更像版本号,格式为[number]。[number]
。我知道你已经为自己的答案提供了信誉,但我不同意。
首先,你的正则表达式[\ d ] {1,} \。[\ d] [0-3] {1}
有一些无关的语法。这是干净的等价物:\d + \.\d [0-3]
它会错误地匹配这些值:
1.00 , 1.20 , 1.21 , 1.22 ,< b> 1.73 , 1.90 ,...
它将错误地错过这些值:
1.1 , 1.2 , 1.3 ,...
这是你真正想要的:
^ \d + \。(0?[1-9] | 1 [0-3])
You don't state this clearly, but it seems that you are treating this "decimal" value more like a version number, in the format[number].[number]
. I know you already gave yourself credit for the correct answer, but I have to disagree.
First of all, your regex[\d]{1,}\.[\d][0-3]{1}
has some extraneous syntax. Here's the clean equivalent:\d+\.\d[0-3]
It will incorrectly match these values:
1.00, 1.20, 1.21, 1.22, 1.73, 1.90, ...
It will incorrectly miss these values:
1.1, 1.2, 1.3, ...
This is what you really want:
^\d+\.(0?[1-9]|1[0-3])
我得到了解决方案
i got the solution
[RegularExpression(@"[\d]{1,}\.[\d][0-3]{1}", ErrorMessage = "Number after decimal point should not greater than 12")]
这篇关于十进制数验证的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文