import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
public class ValidationTestWithPatternAndMatcher {
public static void main(String args[]) {
Pattern p = null;
try {
p = Pattern.compile("Java \\d");
} catch (PatternSyntaxException pex) {
pex.printStackTrace();
System.exit(0);
}
String candidate = "I love Java 5";
Matcher m = p.matcher(candidate);
System.out.println("result=" + m.find());
}
}