如何在C Sharp中的字符串数组中添加字符串 [英] how to add string in string array in c sharp

问题描述

先生

在我的C语言编程中
在以下代码中

string [] readText = File.ReadAllLines(path);

readText包含10000行的数组

现在我创建了两个字符串数组变量

Sir

In my c sharp programming
in following code

string[] readText = File.ReadAllLines(path);

readText contains array of 10000 rows

now i created two string array variable

string[] badEmail;
     string[] goodemail;

在下面的代码中，我使用validEmail(readText [i])方法检查电子邮件是否有效.

in below code i validEmail(readText[i]) method check emails are valid or not.

for (int i = 1; i < readText.Length; i++)
                {
                    if (validEmail(readText[i]))  // check valid
                    {
                        badEmail[] = readText[i];
                        m++;
                    }
                }

如果电子邮件不正确，我希望在badEmail []中发送它
如果
电子邮件很好，我想要用goodEnail []

预先我不知道有多少坏邮件，所以我该怎么办?
请给我解决方法

if email is bad, i wants it in badEmail[]
and if
email is good i want it in goodEnail[]

In advance i dont know how many bad emails so how i can do?
please give me solution
Thanks.

推荐答案

使用列表< t> [ ^ ]代替这样的数组

Use List<t>[^] instead of an array so

List<string> badEmail = new List<string>();
List<string> goodEmail = new List<string>();
for (int i = 1; i < readText.Length; i++)
{
    if (validEmail(readText[i]))  // check valid
    {
        badEmail.Add(readText[i]); // Are you sure this should be a bad email?
        m++;                       // the method name validEmail, would seem
    }                              // indicate that it's a "good" email.
}

使用linq
抱歉，这在VB中，您可以在C#中进行.

Use linq
Sorry this is in VB, you can do it in C#.

Dim goodemails() As String = (From email As String In readText Where validEmail(email) Select email).toArray
Dim bademails() As String = (From email As String In readText Where Not validEmail(email) Select email).toArray

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