js对密码进行验证，要求8-12位且必须包含数字，小写字母，大写字母，特殊符号（[email protected]#$%^&*,.）_jyraibnow的博客

var str = “111aaA”;  

var reg=/^(?=.*[0-9])(?=.*[A-Z])(?=.*[a-z])(?=.*[var reg=/^(?=.*[0-9])(?