SELECT p.ID, p.IDCardNo, IF ( LENGTH(p.IDCardNo) , CAST( , ) AS DATETIME ), CAST( CONCAT( ', , ) ) AS DATETIME ) ) AS Birthday, IF ( SUBSTR( p.IDCardNo, LENGTH(p.IDCardNo) , ) , '男', '女' ) AS sex FROM users p WHERE p.IsDelete AND p.IDCardNo REGEXP '[
由于我需要用到java正则表达式提取地址中的ip和端口号,所以我就写了一个demo,测试一下,下面是demo public class Test0810_1 { public static void main(String[] args) { //通过控制板输入想要输入的地址,然后测试是否符合规则 Scanner a = new Scanner(System.in); String b = a.next(); //校验地址中是否存在 "ip:端口号" (例如rtsp://admin: