Java Matcher matches() method

The matches() method of Matcher class is used to match the input sequence against the whole text. It takes care of matching of the pattern from the beginning to the end. While the lookingAt method matches the regular expression against the beginning of the text only.

Syntax:

Parameter:

No Parameter

Returns:

true if, and only if, the entire region sequence matches this matcher's pattern

Example 1

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

public class MatcherMatchesExample1 {

	public static void main(String[] args) {
	        Pattern p = Pattern.compile(".*http://.*", Pattern.CASE_INSENSITIVE);

	        Matcher m = p.matcher("This is URL:Http://localhost");
	        //Matching the particular pattern against regular expression
	        boolean matches = m.matches();
	        System.out.println("matches = " + matches);
	}
}

Test it Now

Output:

matches = true

Example 2

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

public class MatcherMatchesExample2 {

	public static void main(String[] args) {

		 Pattern p = Pattern.compile(".*http://.*", Pattern.CASE_INSENSITIVE);

	        Matcher m = p.matcher(" This is URL:Http://localhost");
	        //Matching the particular pattern against regular expression
	        if(m.matches())
	        System.out.println("start : " + m.start()+" End : "+m.end());
	    }
	}

Test it Now

Output:

start : 0 End : 29

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