微信小程式 去掉 微信昵稱 emoji表情

wx.getUserProfile({
      desc: '展示使用者資訊', 
      success: (res) => {
        let nickname = res.userInfo.nickName
        var regRule = /\uD83C[\uDF00-\uDFFF]|\uD83D[\uDC00-\uDE4F]/g;
        if(nickname.match(regRule)){
          nickname = nickname.replace(/\uD83C[\uDF00-\uDFFF]|\uD83D[\uDC00-\uDE4F]/g, "");
          console.log(nickname)
        }
      }
    })