$(function() {    var str = "abc123de45fghi6789jkl";    console.info(str);    var shuzi = "";    var zimu = "";    var regShuzi = /^[0-9]$/;    var regZimu = /^[A-Za-z]$/;    for (var i = 0; i < str.length; i++) {        if (regShuzi.test(str[i])) {            shuzi += str[i];        } else {            shuzi += ",";        }        if (regZimu.test(str[i])) {            zimu += str[i];        } else {            zimu += ",";        }    }    console.info(shuzi);    console.info(zimu);    var arrayShuzi = new Array();    var arrayZimu = new Array();    arrayShuzi = shuzi.split(",");    arrayZimu = zimu.split(",");    console.info(arrayShuzi);    console.info(arrayZimu);    var aa = function(arrayShuzi, arrayZimu) {        for (var i = 0; i < arrayShuzi.length; i++) {            if (arrayShuzi[i].length == 0) {                arrayShuzi.splice(i, 1);                aa(arrayShuzi, arrayZimu);            }        }        for (var i = 0; i < arrayZimu.length; i++) {            if (arrayZimu[i].length == 0) {                arrayZimu.splice(i, 1);                aa(arrayShuzi, arrayZimu);            }        }    }    window.load = aa(arrayShuzi, arrayZimu);    console.info(arrayShuzi);    console.info(arrayZimu);        // 简单方法    console.log(str.match(/\d+/g).map(function(item){return Number(item);}));     console.log(str.match(/[A-Za-z]+/ig));});