java match正则匹配函数几个实例

java match正则匹配函数几个实例

match电话正则

public class main {
  public static void main(string args[]) {
    string phone = "(111)-111-1111";
    string phonenumberpattern = "(d-)?(d{3}-)?d{3}-d{4}";
    system.out.println(phone.matches(phonenumberpattern));
  }
}

邮编号正则

public class main {
  public static void main(string[] a) {
    string zip = "1234-123";
    string zipcodepattern = "d{5}(-d{4})?";
    boolean retval = zip.matches(zipcodepattern);

  }
}

日期正则

public class main {
  public static void main(string[] argv) throws exception {

    boolean retval = false;
    string date = "12/12/1212";
    string datepattern = "d{1,2}-d{1,2}-d{4}";
    retval = date.matches(datepattern);

  }
}

用户名正则表达式

public class main {
  public static void main(string args[]) {
    boolean retval = false;

    string name = "first last";
    string nametoken = "p{upper}(p{lower}+s?)";

    string namepattern = "(" + nametoken + "){2,3}";

    retval = name.matches(namepattern);

  }
}