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Java Examples - Searching a Word


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Problem Description:

How to search a perticular word in a string?

Solution:

Following example demonstrates how to search a perticular word in a string with the help of matcher.start() method of regex.Matcher class.

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
   public static void main(String args[]) {
      Pattern p = Pattern.compile("j(ava)");
      String candidateString = "This is a java program. 
      This is another java program.";
      Matcher matcher = p.matcher(candidateString);
      int nextIndex = matcher.start(1);
      System.out.println(candidateString);
      System.out.println("The index for java is:" 
      + nextIndex);
   }
}

Result:

The above code sample will produce the following result.

This is a java program. This is another java program.
The index for java is: 11


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