接受空格和减号的正则表达式? [英] regular expression to accept space and minus sign ?

问题描述

我想要一个允许使用
的正则表达式 以下格式:
-1.00
1.00
-1.00(负号与数字之间不能有空格)

我写了一个正则表达式为*(-?)\ s?\ $?([0-9 \.] *)
但它不适合-1.00(带空格)，谁能帮助我?

Hi i want a regular expression which will allow
following formats :
- 1.00
1.00
-1.00(no space between minus and digits)

i wrote a reg ex as *(-?)\s?\$?([0-9\.]*)
but its not working for - 1.00(with space ) can anyone help me ?

推荐答案

?([0-9 \.] *)
但不适用于-1.00(带空格)，谁能帮我?

?([0-9\.]*)
but its not working for - 1.00(with space ) can anyone help me ?

您可以尝试从此链接中找到完全匹配的内容

http://regexlib.com/ [

You can try to find your exact match from this link

http://regexlib.com/[^]

满足您要求的正则表达式如下:

^(\-* \ s * [0-9] + \.[0-9] +)

Regular Expression for your Requirement follows:

^(\-*\s*[0-9]+\.[0-9]+)

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