正则表达式匹配

屏幕快照 2016-10-09 20.24.58.png

function result(tpl,data){
  var pattern = /{\\w+}/g;
  var matches = pattern.exec(tpl);
  var desc =tpl.replace(pattern,"%s");
  console.log(desc,data.name,data.age,data.city);
}

var data1={name:'abc',city:'cheng',age:"dd"}
var desc = "我是{name},今年{age},来自{city}"
result(desc,data1);