js验证6-16位数字或者字母

^[0-9a-zA-Z]{6,16}$

function isNumberOr_Letter(s){

var regu = "^[0-9a-zA-Z]{6,12}$"; 
var re = new RegExp(regu); 
if (re.test(s)) { 
return true; 
}else{ 
return false; 
}

}

var regu = "^[1][3,4,5,7,8][0-9]{9}$"

var re = new RegExp( regu)

if ( re. test( value)) {

status = true

} else{

status = false

}