javascript - JavaScript 正则表达式替换字符串字符

Question

我想学习如何替换字符串？我有一个电子邮件地址someone@website.com，我该如何替换@to%和.to±

Answer 1

var replacements = {"@": "%", ".": "±"};
string.replace(/@|\./, function (match) {
    return replacements[match];
});