关于正则表达式 [英] regarding regular expression

问题描述

亲爱的所有人，

我想在以下字符串中为6.4和2.5的精确匹配创建/编写一个正则表达式:"abc 6.4 xyz 2.5"

请帮助或分享您的想法.

问候，
YRishi

Dear All,

I want create/write a regular expression for exact match of 6.4 and 2.5 in following string: "abc 6.4 xyz 2.5"

Please help or share your thoughts.

Regards,
YRishi

推荐答案

.*\s(\d\.\d)\s.*\s(\d\.\d)或者，如果数字可以更长(例如12.34).*\s(\d+\.\d+)\s.*\s(\d+\.\d+)

.*\s(\d\.\d)\s.*\s(\d\.\d) Or, if the numbers can be longer (e.g. 12.34) .*\s(\d+\.\d+)\s.*\s(\d+\.\d+)

本页:
http://regexlib.com/ [ ^ ]

您可以在此处测试正则表达式:
http://regex.larsolavtorvik.com/ [ ^ ]

希望您会发现它有用=)

You must see this page:
http://regexlib.com/[^]

You can test your regular expression here:
http://regex.larsolavtorvik.com/[^]

Hope you can find it useful =)

这很简单，表达式看起来像这样:
(\ s \ d \ [.] \ d \ s)

您应该签出此工具以编写正则表达式.过去肯定对我有很大帮助:
Expresso-用于构建和测试正则表达式的工具 [ ^ ]

This is simple, the expreccion could look like this:
(\s\d\[.]\d\s)

You should check out this tool fo rwriting Regular Expressions. It sure helpt me a lot in the past:
Expresso - A Tool for Building and Testing Regular Expressions[^]

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