JS 提取URL中的参数转为对象的代码片段

parseQueryString(url) {
    let reg_url  = /^[^\?]+\?([\w\W]+)$/,
        reg_para = /([^&=]+)=([\w\W]*?)(&|$|#)/g,
        arr_url  = reg_url.exec(url),
        ret      = {},
        str_para, result;
    if (arr_url && arr_url[1]) {
        str_para = arr_url[1]
    } else {
        str_para = url
    }
    while ((result = reg_para.exec(str_para)) != null) {
        ret[result[1]] = result[2];
    }
    return ret;
},

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