让模式包括大写字母和小写字母

//nowjava - 时代Java

import java.util.regex.Matcher;

import java.util.regex.Pattern;


public class Main {

  public static void main(String[] args) {

    Pattern pattern = Pattern.compile("b[aAeEiIoOuU]t");

    Matcher matcher = pattern.matcher("bAt");

    if (matcher.matches())

      System.out.println("Match.");

    else

      System.out.println("Does not match.");

  }

}