1 function isNumberOr_Letter(s){
2 //var regu = "^[0-9a-zA-Z]{6,12}$"; //可以为全数字或全字母
3 var regu =/^(?!([a-zA-Z]+|\d+)$)[a-zA-Z\d]{6,12}$/
;
4 var re =
new RegExp(regu);
5 if (re.test(s)) {
6 return true;
7 }
else{
8 return false;
9 }
10 }
转载于:https://www.cnblogs.com/ssbydk/p/9700599.html
相关资源:常用字母数字密码