Search any characters in a string : String Search « String « C# / CSharp Tutorial

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C# / CSharp Tutorial » String » String Search

5.18.5.Search any characters in a string

using System; 

 

class MainClass { 

  public static void Main() { 

    string str = "abcdefghijk"; 

    int idx; 

 

    char[] chrs = { 'a', 'b', 'c' }; 

    idx = str.IndexOfAny(chrs); 

    Console.WriteLine("Index of first 'a', 'b', or 'c': " + idx); 

  }

}

Index of first 'a', 'b', or 'c': 0

5.18.String Search
	5.18.1.	Search a character in a string
	5.18.2.	Search a character in a string: lastindex
	5.18.3.	Search a sub string in a string
	5.18.4.	Search a sub string in a string: lastIndexOf
	5.18.5.	Search any characters in a string
	5.18.6.	String starts with and ends with
	5.18.7.	Search a string from the start or from the end
	5.18.8.	Use LastIndexOf(Char) to find the last directory separator character in a string and to extract the file name
	5.18.9.	Find the index of the last occurrence of any character in the string "is" within another string.

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