匹配一个或另一个的字符串值

public class Main {

  public static void main(String[] args) throws Exception {
  /*
  NowJava.com - 时  代  Java
  */

    String str = "true";


    // This will test against both upper & lower case "T"...this will be TRUE

    boolean result = str.matches("[Tt]rue|[Ff]alse]"); 

    System.out.println(result);

  }

}