match cmd "ps args"

import java.util.regex.Matcher;
import java.util.regex.Pattern;
class Main {
    public static void main(String[] args) {
        final String regex = "^ps[a-zA-Z0-9$/._* \\t-]*$";
        final String string = "ps134_\n"
        	 + "sfdsps\n"
        	 + "s\n\n"
        	 + "dsf\n"
        	 + "ps -ef	d";
        
        final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
        final Matcher matcher = pattern.matcher(string);
        
        while (matcher.find()) {
            System.out.println("完整匹配: " + matcher.group(0));
            for (int i = 1; i <= matcher.groupCount(); i++) {
                System.out.println("Group " + i + ": " + matcher.group(i));
            }
        }
    }
}