Java Matcher end() Method

This method is used to return the index of the last character matched. To find the offset of the last character matched, we need to use the find method to match the pattern character by character.

Signature

There are three types of end methods in java.

No.	Method	Description
1	int end()	This returns the index value to which, the two strings are identical.
2	int end(int group)	This method returns offset after matching the last character of the subsequence captured by the given group.
3	int end(String name)	This method returns the offset after matching the last character of the subsequence captured by the given name of the group.

Specified by

end in interface MatchResult

Returns

The offset after the last character matched

Throws

IllegalStateException - If no match has yet been attempted, or if the previous match operation failed

Example 1

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

public class IntEndMethod1 {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Pattern p=Pattern.compile("Hello Java");
		Matcher m=p.matcher("Hello Java");
		if(m.matches())
			System.out.println("Both are matching till "+m.end()+"th character");
		else
			System.out.println("Both are not matching"+m.end()); 
	}
}

Test it Now

Output:

Both are matching till 10th character

Example 2

import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class IntEndMethod2 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Pattern p=Pattern.compile("(l*o)java");
		Matcher m=p.matcher("Hellojava");
		while(m.find())
		{
		// calling end method with group as parameter
	System.out.println("End position of Matching String java "+m.end(1));
		}
	}
}

Test it Now

Output:

End position of Matching String java 5

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