vue校验密码需输入 大小写字母,数字,特殊字符 四种包含任意三种:
```javascript
/((^(?=.*[a-z])(?=.*[A-Z])(?=.*\W_)[\da-zA-Z\W_]{8,20}$)|(^(?=.*\d)(?=.*[A-Z])(?=.*\W_){8,20}$)|(^(?=.*\d)(?=.*[a-z])(?=.*\W_)[\da-zA-Z\W_]{8,20}$)|(^(?=.*\d)(?=.*[A-Z])[\da-zA-Z\W_]{8,20}$))/.test(value);
//密码至少8位最多20位,大小写字母\数字\特殊字符四种中任意三种
延伸知识点:
/W:
/d: