javascript中'charAt'方法的等效C#方法是什么? [英] what is equivalent C# method for the 'charAt' method in javascript?

问题描述

什么是javascript方法"charAt"的等效C#方法?

what is equivalent C# method for the javascript method ''charAt''?

推荐答案

我认为您的意思是

I think you mean

string alphabet = "abcdefg...xyz" ;
char b = alphabet[1] ;

在询问诸如此类问题之前(通常，而不是通常)先阅读MSDN: http://msdn.microsoft.com/en-us/library/system.string.aspx [

Always read MSDN before (and typically, instead of) asking such questions: http://msdn.microsoft.com/en-us/library/system.string.aspx[^].

Asking such question at CodeProject is very ineffective compared to reading MSDN help pages, which you should do in all cases anyway.

—SA

回答第二个问题，即

In answer to your second question, namely

maajanes写道:

maajanes wrote:

我必须计算一个特定角色的出现次数.我该怎么办?

I have to count the number of occurances of a particular character. What can i do?

我遇到的最快模式 ⁰ 是

The fastest pattern I have come across⁰ is

string source = "this is my test string";
char requiredCharacter = 's';
int count = 0;
foreach (char c in source)
{
   if (c == requiredCharacter)
   {
       count++;
   }
}

⁰
不记得原来是从前一段时间来的，但这是我现在使用的

⁰
Can''t remember were the original came from as it was a while ago, but it is what I use now

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