只读文本文件中的整数 [英] Read only integers froma text file

问题描述

你好

我的问题是说我在文本文件中有一个名称为"test.txt"的文本文件，它具有"1ab2n3"，首先我想从文本文件中仅读取整数(123)，然后其余字符即(abn)是可能的第二个方法是我尝试了很多东西file.Io.readalllines etc

Hello

my question is lets say i have a text file with a name "test.txt" inside text file it has "1ab2n3"first i want to read only integers(123) from text file,then the remaining character i-e(abn)Is it possible secondly how to do it i have tried so many things file.Io.readalllines etc

推荐答案

您可以使用RegEx提取数字和/或字符串.
尝试以下代码

Hi ,
You can use RegEx to extract the number and/or string.
Try following code

string myStr = "1ab2n3";

string myNumberResult = Regex.Replace(myStr, @"[^\d]", "");
            
                
string myCharResult = Regex.Replace(myStr, @"[\d]", "");

希望能有所帮助.如果是这样，请将其标记为答案/赞.
-Milind

Hope that helps. If it does, mark the it as answer/upvote.
-Milind

查看此链接，您可能会知道
http://stackoverflow.com/questions/1968328/read-数字来自C锐利的文本文件 [

see this link you may get idea
http://stackoverflow.com/questions/1968328/read-numbers-from-a-text-file-in-c-sharp[^]

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