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));
}
}
}
}
