前端客户关键信息隐藏转星号*

var msg= "futureghr";
var msg1 = "13811226688";
var msg2 = "我叫某某某";
var test_id = msg.replace(/[\w\W]/g,'*').replace(/(^[\w\W])/,msg.substr(0,1)).replace(/([\w\W]$)/,msg.substring(msg.length-1));
var test_mobile = msg1.replace(/[\w\W]/g,'*').replace(/(^[\w\W]{3})/,msg1.substr(0,3)).replace(/([\w\W]{4}$)/,msg1.substring(msg1.length-4));

var test2_name = msg2.replace(/[\w\W]/g,'*').replace(/(^[\w\W])/,msg2.substr(0,1)).replace(/([\w\W]$)/,msg2.substring(msg2.length-1));

结果

f*******r
138****6688
我***某