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Pattern.matches(regex, str)

public boolean matches(String regex)

public class Test {
    public static void main(String args[]) {
        String Str = new String("www.tutorialpro.org");

        System.out.print("Return Value :" );
        System.out.println(Str.matches("(.*)tutorialpro(.*)"));
        
        System.out.print("Return Value :" );
        System.out.println(Str.matches("(.*)google(.*)"));

        System.out.print("Return Value :" );
        System.out.println(Str.matches("www(.*)"));
    }
}

Return Value :true
Return Value :false
Return Value :true