C＃正则表达式小数范围验证

问题描述

大家好，



我需要一个正则表达式来验证从-12.0到+12.0的小数值范围



搜索给了很多正则表达式，但没有任何效果。任何人都有正确的rgex请帮助。



提前谢谢

Hi all,

I need a regular expression to validate decimal value ranges from -12.0 to +12.0

Search gave many regex but nothing worked. Anybody having correct rgex for this please help.

Thanks in advance

推荐答案

- accept the optional sign character, followed by
        - the digit 1 followed by the digit 2 followed by an optional . followed by any number of 0
        - or a single digit or the pair 10 or the pair 11 followed by an optional . followed by any digit(s)

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