String.LastIndexOf : String « System « C# / C Sharp by API

1. C# / C Sharp by API
2. System
3. String

String.LastIndexOf

  

using System; 
 
public class StringSearchDemo { 
  public static void Main() { 
    string str = "C# has powerful string handling."; 
    int idx; 
 
    Console.WriteLine("str: " + str); 
 
    idx = str.IndexOf('h'); 
    Console.WriteLine("Index of first 'h': " + idx); 
 
    idx = str.LastIndexOf('h'); 
    Console.WriteLine("Index of last 'h': " + idx); 
 
    idx = str.IndexOf("ing"); 
    Console.WriteLine("Index of first \"ing\": " + idx); 
 
    idx = str.LastIndexOf("ing"); 
    Console.WriteLine("Index of last \"ing\": " + idx); 
 
    char[] chrs = { 'a', 'b', 'c' }; 
    idx = str.IndexOfAny(chrs); 
    Console.WriteLine("Index of first 'a', 'b', or 'c': " + idx); 
 
    if(str.StartsWith("C# has")) 
      Console.WriteLine("str begins with \"C# has\""); 
 
    if(str.EndsWith("ling.")) 
      Console.WriteLine("str ends with \"ling.\""); 
  } 
}

   
    
  

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