import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MainClass {
public static void main(String[] args) {
if (args.length < 2) {
System.out.println("Usage:\n" + "java MainClass " + "characterSequence regularExpression+");
System.exit(0);
}
System.out.println("Input: \"" + args[0] + "\"");
for (int i = 1; i < args.length; i++) {
System.out.println("Regular expression: \"" + args[i] + "\"");
Pattern p = Pattern.compile(args[i]);
Matcher m = p.matcher(args[0]);
while (m.find()) {
System.out.println("Match \"" + m.group() + "\" at positions " + m.start() + "-"
+ (m.end() - 1));
}
}
}
}