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C# String Contains() method

C# String Contains() method for beginners and professionals with examples on overloading, method overriding, inheritance, aggregation, base, polymorphism, sealed, abstract, interface, namespaces, exception handling, file io, collections, multithreading, reflection etc.

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C# String Contains()

The C# Contains() method is used to return a value indicating whether the specified substring occurs within this string or not. If the specified substring is found in this string, it returns true otherwise false.

Signature

public bool Contains(String str)

Parameters

str: it is a string object which is used to check occurrence in the calling string.

Return

It returns boolean value either true or false.


C# String Contains() method Example

using System;  
    public class StringExample  
    {  
        public static void Main(string[] args)  
        {  
             string s1 = "Hello ";  
             string s2 = "He";
          	 string s3 = "Hi";
             Console.WriteLine(s1.Contains(s2));
             Console.WriteLine(s1.Contains(s3));
             
        }  
    }  

Output:

True
False
Next TopicC# String Copy()




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