判断
const chinese = /[^\u4E00-\u9FA5]/g const number = /[^\d]/g; const englishAndNum =/[\W]/g if ((chinese.test(this.data.username))) { wx.showToast({ title: "只允许输入中文", icon: "none" }); return false; } if ((number.test(this.data.username))) { wx.showToast({ title: "只允许输入数字", icon: "none" }); return false; } if ((englishAndNum.test(this.data.username))) { wx.showToast({ title: "只允许输入英文加数字", icon: "none" }); return false; }