import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Pattern;
import org.pureprogrammer.Utils;

public class RegEx1 {

	public static void main(String[] args) {
		final String s = "Four score and seven years ago...";
		System.out.println("Match 1: " + Pattern.compile("s.*e").matcher(s).find());
		System.out.println("Match 2: " + Pattern.compile("\\bs.*e\\b").matcher(s).find());
		System.out.println("Match 3: " + Pattern.compile("s...e").matcher(s).find());
		System.out.println("Match 4: " + Pattern.compile("b.d").matcher(s).find());

		List<String> subgroups = Utils.findFirst(Pattern.compile("(\\w+)\\s*(\\w+)"), s);
		System.out.println("Find First (with subgroups): " + Utils.listToString(subgroups));
		subgroups = Utils.findFirst(Pattern.compile("bad match"), s);
		System.out.println("Find First (bad match): " + Utils.listToString(subgroups));

		List<String> matches = Utils.findAll(Pattern.compile("\\w+"), s);
		System.out.println("Find All: (matches only)" + Utils.listToString(matches));
		matches = Utils.findAll(Pattern.compile("bad match"), s);
		System.out.println("Find All (bad match): " + Utils.listToString(matches));
	}
}