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Find string, word or character in a given string

   
 
     


Introduction :

In this tutorial we will see how to Find string, word or character in a given string using C# and VB.NET

IndexOf() method is used to find if the word, or string contains in the given string or not. However you can use the Contains() mthod too for the same purpose.

C# Example code sample

using System;

namespace DotNetSpark.Tutorials
{
    class DotNetSpark
    {
        static void Main(string[] args)
        {
            // Declare string
            string strValue = "DotNetSpark";

            // Declare the another string and assign the word need to find
            string strFind = "Dot";
            
            // find the string using Indexof Method if it found it will return 0 else -1 in case of string is not found
            int iSuccess = strValue.IndexOf(strFind);

            // Display result
            Console.WriteLine(iSuccess);

            Console.ReadLine();
        }
    }
}

Output:

0

VB.NET code sample

Namespace DotNetSpark.Tutorials
	Class DotNetSpark
		Private Shared Sub Main(args As String())
			' Declare string
			Dim strValue As String = "DotNetSpark"

			' Declare the another string and assign the word need to find
			Dim strFind As String = "Dot"

			' find the string using Indexof Method if it found it will return 0 else -1 in case of string is not found
			Dim iSuccess As Integer = strValue.IndexOf(strFind)

			' Display result
			Console.WriteLine(iSuccess)

			Console.ReadLine()
		End Sub
	End Class
End Namespace

Output:

0

Other Tutorials in the same Category:
      
  • How to find length or number of characters in a given string      
  • Compare two string using CompareTo Method of string class      
  • Check the word contains in a string or not?      
  • Merge or Concat two string value      
  • Check the string value Equals or not?      
  • Split the string based on delimiter and display or store      
  • Trim or remove white or extra spaces from given string      
  • Get the part or sub string from a given string      
  • Convert string into lowercase of a given string      
  • Convert all string into uppercase of a given string      
  • How to replace string with some other string value?      
  • Remove the specific character or word from a given string      
  • Insert word or characters at any position in a given string or sentence      
  • Display the reverse of the given string      
  • Find string, word or character in a given string      
  • Check the given string is null or empty

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