C# 从数组和引用数组编号中搜索字符串
我是C#新手,我正在尝试搜索字符串,以查看它是否包含字符串数组的成员。如果字符串确实包含数组中的内容,那么我想记录它找到的数组成员的索引号,然后显示它C# 从数组和引用数组编号中搜索字符串,c#,arrays,C#,Arrays,我是C#新手,我正在尝试搜索字符串,以查看它是否包含字符串数组的成员。如果字符串确实包含数组中的内容,那么我想记录它找到的数组成员的索引号,然后显示它 string stringToBeSearched = "I want to find item2 or item6"; string[] array = { "item1", "item2", "item3" }; // Search stringToBeSearched for anything in array, then enter th
string stringToBeSearched = "I want to find item2 or item6";
string[] array = { "item1", "item2", "item3" };
// Search stringToBeSearched for anything in array, then enter the array
// member's index value into int position
int position = //array index number of item found
Console.WriteLine("{0} was found.", array[position]);
Console.ReadLine();
您可以使用
IndexOf
将每个数组元素与stringtobearch
进行比较
string stringToBeSearched = "I want to find item2 or item6";
string[] array = {"item1", "item2", "item3"};
int position;
for (int i = 0; i < array.Length; i++) {
string str = array[i];
if (stringToBeSearched.IndexOf(str) >= 0) {
position = i;
Console.WriteLine("{0} was found.", str);
Console.ReadLine();
}
}
// Result:
// item2 was found.
string-stringtobearch=“我想查找项目2或项目6”;
字符串[]数组={“item1”、“item2”、“item3”};
内部位置;
for(int i=0;i=0){
位置=i;
WriteLine(“{0}已找到。”,str);
Console.ReadLine();
}
}
//结果:
//找到项目2。
请注意,这将找到第一个匹配的字符串。如果有多个,您将不知道其他的。使用Linq和泛型的方法
using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
public static void Main(String[] args)
{
string[] array1 = "I want to find item2 or item6".Split(' ');
string[] array2 = {"item1", "item2", "item6"};
IEnumerable<string> results = array1.Intersect(array2,
StringComparer.OrdinalIgnoreCase);
foreach (string s in results)
Console.WriteLine("{0} was found at index {1}.",
s,
Array.IndexOf(array2, s));
}
}
使用系统;
使用System.Collections.Generic;
使用System.Linq;
班级计划
{
公共静态void Main(字符串[]args)
{
string[]array1=“我想查找项目2或项目6”。拆分(“”);
字符串[]array2={“item1”、“item2”、“item6”};
IEnumerable results=array1.Intersect(array2,
普通木糖酶);
foreach(结果中的字符串s)
WriteLine(“{0}在索引{1}处找到。”,
s
数组.IndexOf(array2,s));
}
}
using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
public static void Main(String[] args)
{
string[] array1 = "I want to find item2 or item6".Split(' ');
string[] array2 = {"item1", "item2", "item6"};
IEnumerable<string> results = array1.Intersect(array2,
StringComparer.OrdinalIgnoreCase);
foreach (string s in results)
Console.WriteLine("{0} was found at index {1}.",
s,
Array.IndexOf(array2, s));
}
}