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C# program to check if a Substring is present in a Given String
Use the contains() method in C# to check if a substring is in a given string.
Let us say the string is −
United
Within the string, you need to find the substring “Uni”. For that, use the contains method and use it like the following code snippet −
res = str1.Contains(str2);
Example
You can try to run the following code to find a substring in a string.
using System;
public class Demo {
public static void Main() {
string str1 = "United", str2 = "Uni";
bool res;
res = str1.Contains(str2);
if (res)
Console.Write("The substring " + str2 + " is in the string " + str1);
else
Console.Write("The substring " + str2 + " is not in the string " + str1);
}
}Output
The substring Uni is in the string United
Updated on: 19-Jun-2020
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