var reg=/[a-zA-Z0-9]+/;
var regg=/([\u4e00-\u9fa5])/g;
if(!reg.test(this.capitalInput)&&this.capitalInput.length<21&&[...this.capitalInput.matchAll(regg)].length >= 2){
console.log(this.capitalInput.length)
this.desc_divsw=false;
}else{
console.log("你真棒")
this.desc_divsw=true;
}