String.IndexOf Method (String)
.NET Framework 2.0
Reports the index of the first occurrence of the specified String in this instance.
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Assembly: mscorlib (in mscorlib.dll)
The following code exampled demonstrates the IndexOf method.
using System; public class InsertTest { public static void Main() { string animal1 = "fox"; string animal2 = "dog"; string strTarget = String.Format("The {0} jumped over the {1}.", animal1, animal2); Console.WriteLine("The original string is:{0}{1}{0}", Environment.NewLine, strTarget); Console.Write("Please enter an adjective (or a group of adjectives) to describe the {0}: ==> ", animal1); string adj1 = Console.ReadLine(); Console.Write("Please enter an adjective (or a group of adjectives) to describe the {0}: ==> ", animal2); string adj2 = Console.ReadLine(); adj1 = adj1.Trim() + " "; adj2 = adj2.Trim() + " "; strTarget = strTarget.Insert(strTarget.IndexOf(animal1), adj1); strTarget = strTarget.Insert(strTarget.IndexOf(animal2), adj2); Console.WriteLine("{0}The final string is:{0}{1}", Environment.NewLine, strTarget); } }
import System.*;
public class InsertTest
{
public static void main(String[] args)
{
String animal1 = "fox";
String animal2 = "dog";
String strTarget = String.Format("The {0} jumped over the {1}.",
animal1, animal2);
Console.WriteLine("The original string is:{0}{1}{0}",
Environment.get_NewLine(), strTarget);
Console.Write("Please enter an adjective (or a group of adjectives) "
+ "to describe the {0}: ==> ", animal1);
String adj1 = Console.ReadLine();
Console.Write("Please enter an adjective (or a group of adjectives) "
+ "to describe the {0}: ==> ", animal2);
String adj2 = Console.ReadLine();
adj1 = adj1.Trim() + " ";
adj2 = adj2.Trim() + " ";
strTarget = strTarget.Insert(strTarget.IndexOf(animal1), adj1);
strTarget = strTarget.Insert(strTarget.IndexOf(animal2), adj2);
Console.WriteLine("{0}The final string is:{0}{1}",
Environment.get_NewLine(), strTarget);
} //main
} //InsertTest
import System; public class InsertTest { public static function Main() : void { var animal1 : String = "fox"; var animal2 : String = "dog"; var strTarget : String = String.Format("The {0} jumped over the {1}.", animal1, animal2); Console.WriteLine("The original string is:{0}{1}{0}", Environment.NewLine, strTarget); Console.Write("Please enter an adjective (or a group of adjectives) to describe the {0}: ==> ", animal1); var adj1 : String = Console.ReadLine(); Console.Write("Please enter an adjective (or a group of adjectives) to describe the {0}: ==> ", animal2); var adj2 : String = Console.ReadLine(); adj1 = adj1.Trim() + " "; adj2 = adj2.Trim() + " "; strTarget = strTarget.Insert(strTarget.IndexOf(animal1), adj1); strTarget = strTarget.Insert(strTarget.IndexOf(animal2), adj2); Console.WriteLine("{0}The final string is:{0}{1}", Environment.NewLine, strTarget); } } InsertTest.Main();
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
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