1.java

import java.util.regex.*;

class Regex2 {
  public static void main(String[] args) {
    Pattern p = Pattern.compile(args[0]);
    Matcher m = p.matcher(args[1]);
    boolean b = false;
    while(b = m.find()) {
      System.out.print(m.start() + m.group());
    }
  }
}

1.textile

And the command line:

java Regex2 "\d*" ab34ef

What is the result?

• A. 234
• B. 334
• C. 2334
• D. 0123456
• E. 01234456
• F. 12334567
• G. Compilation fails.