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C# / .NET - find text in string
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In this article, we would like to show you how to find text in string in C# / .NET.
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string sampleString = "ABCD";2
string text = "BC";3
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// returns true if string contains text5
Boolean contains = sampleString.Contains(text);6
Console.WriteLine(contains); // Trueor
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string sampleString = "ABCD";2
string text = "BC";3
4
// returns index of the first occurrence of text in string5
int index = sampleString.IndexOf(text);6
Console.WriteLine(index); // 1
In this example, we use String.Contains() method to check if the string contains text.
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using System;2
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public class StringUtils4
{5
public static void Main(string[] args)6
{7
string sampleString = "Dirask is awesome!";8
string text = "is";9
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// returns true if string contains text 11
Boolean contains = sampleString.Contains(text);12
Console.WriteLine("contains = " + contains); // contains = True13
}14
}Output:
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contains = TrueIn this example, we use String.IndexOf() method to find the index of the first occurrence of text in the string.
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using System;2
3
public class StringUtils4
{5
public static void Main(string[] args)6
{7
string sampleString = "Dirask is awesome!";8
string text = "is";9
10
// returns index of the first occurrence of text in string11
int index = sampleString.IndexOf(text);12
Console.WriteLine("index = " + index); // 713
}14
}Output:
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index = 7