手机号
let regphone = /^1(3[0-9]|4[01456879]|5[0-35-9]|6[2567]|7[0-8]|8[0-9]|9[0-35-9])d{8}$/;
regphone.test(this.registerPhone)
邮箱
let regemail = /^([A-Za-z0-9_-.u4e00-u9fa5])+@([A-Za-z0-9_-.])+.([A-Za-z]{2,8})$/;
regemail.test(this.registerEmail)