正数字:/^[1-9]{1}[0-9]*$|^0{1}.{1}[0-9]+$|^[1-9]{1}[0-9]*.{1}[0-9]+$
/
用户名:/^[a-z0-9_-]{3,16}$/
密码:/^[a-z0-9_-]{6,18}$/
十六进制值:/^#?([a-f0-9]{6}|[a-f0-9]{3})$/
电子邮箱:/^([a-z0-9_.-]+)@([da-z.-]+).([a-z.]{2,6})//[a−zd]+(.[a−zd]+)∗@([da−z](−[da−z])?)+(.1,2[a−z]+)+/
URL:/^(https?://)?([da-z.-]+).([a-z.]{2,6})([/w .-]*)*/?$/
IP地址1:/((2[0-4]d|25[0-5]|[01]?dd?).){3}(2[0-4]d|25[0-5]|[01]?dd?)/
IP地址2:/^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/
HTML 标签:/^<([a-z]+)([^<]+)*(?:>(.*)</1>|s+/>)$/
Unicode编码中的汉字范围:/^[u2E80-u9FFF]+$/