字符串操作 [英] String manipulation operation

问题描述

我想过滤这样的字符串，它可能包含字符符号等

金额10.05 $

并且我需要一个包含浮点值的输出(在消除了字符串和符号(."除外)之后).

10.05

我尝试了以下代码，但它也消除了小数部分

I want to filter a string like this it may contain characters symbols etc

Amount 10.05 $

and i need an output like this contains a float value ( after eliminating the string and symbols except "." )

10.05

i tried the below code but it eliminate the decimal part also

<pre lang="c#">

key="!$%^ amount 10.05$";

  Regex.Replace(key, @"\D", "");

但返回10055

but it returns 10055

推荐答案

并且我需要一个包含浮点值的输出(在消除了字符串和符号(."除外)之后).

10.05

我尝试了以下代码，但它也消除了小数部分

and i need an output like this contains a float value ( after eliminating the string and symbols except "." )

10.05

i tried the below code but it eliminate the decimal part also

<pre lang="c#">

key="!

%^ amount 10.05

%^ amount 10.05

"; Regex.Replace(key, @"\D", "");

"; Regex.Replace(key, @"\D", "");

但返回10055

but it returns 10055

这篇关于字符串操作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！